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Head-to-head comparison

Mistral Medium 3.5 vs. MiMo-V2.5-Pro

Compare published benchmark results from matching versions and cohorts, API pricing, and technical specifications. Any documented test setup differences remain visible.

shared result series
28
distinct benchmarks
1
latest retrieval
2026-09-04

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Specifications

General specifications

Release date, availability, context window, architecture, and published parameter counts at a glance. Undisclosed details remain marked as unavailable.

Specifications for Mistral Medium 3.5 and MiMo-V2.5-Pro
AttributeMistral Medium 3.5MiMo-V2.5-Pro
ProviderMistral AIXiaomi
ReleasedApr 28, 2026Apr 23, 2026
AvailabilityActiveOpen Source
Model typeOpen WeightsOpen Weights
ParametersNot published1T, 42B active
ArchitectureNot publishedMixture of Experts
Context window256,000 tokens1,000,000 tokens
Knowledge cutoffNot publishedNot published
Technical sourcesModelModel

Pricing

API pricing compared

The table compares official standard API rates per 1M tokens, including published cache pricing. Batch, fast, priority, regional surcharges, tool calls, and cloud platform pricing are excluded.

API pricing for Mistral Medium 3.5 and MiMo-V2.5-Pro
Price typeMistral Medium 3.5MiMo-V2.5-Pro
API input$1.5$0.43
API output$7.5$0.87
Cache readNot listed$0.
Cache write (5 min.)Not listedNot listed
Cache write (1 hr.)Not listedNot listed
Price verified07/30/2026 Source07/31/2026 Source
Mistral Medium 3.5MiMo-V2.5-Pro
API inputUSD per 1M tokens, base tier
Mistral Medium 3.5$1.5
MiMo-V2.5-ProLower price$0.435
API outputUSD per 1M tokens, base tier
Mistral Medium 3.5$7.5
MiMo-V2.5-ProLower price$0.87

Key to the marks:better valuebetter, but not conclusivetie

Pricing by provider

Direct developer pricing and provider endpoint tariffs routed through OpenRouter are listed separately. Prices are in USD per 1M tokens. Context-dependent direct tiers plus regional, Flex, Priority, and other OpenRouter tariffs remain individually identifiable.

Provider pricing for Mistral Medium 3.5 and MiMo-V2.5-Pro
ModelProviderPurchase route and tariffInput per 1M tokensOutput per 1M tokensSource
Mistral Medium 3.5Mistral AIDirect from developerStandard APILowest listed price: $1.5Lowest listed price: $7.5Source07/30/2026
MistralVia OpenRoutermistralLowest listed price: $1.5Lowest listed price: $7.5Source09/07/2026
MistralVia OpenRoutermistral/eu$1.65$8.25Source09/07/2026
MistralVia OpenRoutermistral/zdrLowest listed price: $1.5Lowest listed price: $7.5Source09/07/2026
MiMo-V2.5-ProXiaomiDirect from developerStandard API$0.435$0.87Source07/31/2026
AtlasCloudVia OpenRouteratlas-cloud/fp8$0.435$0.87Source09/07/2026
DeepInfraVia OpenRouterdeepinfra/fp8$0.39$1.17Source09/07/2026
DigitalOceanVia OpenRouterdigitalocean$0.4$1.5Source09/07/2026
GMICloudVia OpenRoutergmicloud/bf16Lowest listed price: $0.3045Lowest listed price: $0.609Source09/07/2026
NovitaVia OpenRouternovita$0.4802$0.9605Source09/07/2026
StreamLakeVia OpenRouterstreamlake$0.522$1.044Source09/07/2026
XiaomiVia OpenRouterxiaomi/fp8$0.435$0.87Source09/07/2026

Performance

Shared benchmarks

Only published results with the same benchmark version, task, metric, and comparison cohort are paired. Different reasoning levels, agents, harnesses, or output limits appear directly in the table.

Capability profile from matched benchmarks

Each axis averages directly matched benchmark families. A value of 100 means the stronger value within this pair, not a universal quality score.

255075100CodingReasoningMathematicsKnowledgeFinanceLegalHealthGeneral
Mistral Medium 3.5
MiMo-V2.5-Pro
Coding: 97.3 / 100 (1 benchmark family)
Reasoning: 96.4 / 100 (1 benchmark family)
Mathematics: 96.8 / 100 (1 benchmark family)
Knowledge: 96.3 / 100 (1 benchmark family)
Finance: 97.2 / 100 (1 benchmark family)
Legal: 97.5 / 100 (1 benchmark family)
Health: 95.7 / 100 (1 benchmark family)
General: 96.8 / 100 (1 benchmark family)

28 matched rows from 1 benchmark families were considered. The radar shows 8 of 8 comparable categories.

Mistral Medium 3.5MiMo-V2.5-Pro
LMArena Text, Style ControlOverall. Higher is better. No documented setup difference
Mistral Medium 3.51,426.98
MiMo-V2.5-ProWinner1,468.271
LMArena Text, Style ControlBusiness, management and finance. Higher is better. No documented setup difference
Mistral Medium 3.51,431.113
MiMo-V2.5-ProWinner1,471.792
LMArena Text, Style ControlChinese. Higher is better. No documented setup difference
Mistral Medium 3.51,448.299
MiMo-V2.5-ProWinner1,511.885
LMArena Text, Style ControlCoding. Higher is better. No documented setup difference
Mistral Medium 3.51,478.845
MiMo-V2.5-ProWinner1,520.349
LMArena Text, Style ControlCreative writing. Higher is better. No documented setup difference
Mistral Medium 3.51,396.971
MiMo-V2.5-ProWinner1,435.028
LMArena Text, Style ControlEnglish. Higher is better. No documented setup difference
Mistral Medium 3.51,444.656
MiMo-V2.5-ProWinner1,481.475
LMArena Text, Style ControlEntertainment, sports and media. Higher is better. No documented setup difference
Mistral Medium 3.51,396.875
MiMo-V2.5-ProWinner1,439.755
LMArena Text, Style ControlExcluding ties. Higher is better. No documented setup difference
Mistral Medium 3.51,421.17
MiMo-V2.5-ProWinner1,473.632
LMArena Text, Style ControlExpert prompts. Higher is better. No documented setup difference
Mistral Medium 3.51,438.278
MiMo-V2.5-ProWinner1,505.424
LMArena Text, Style ControlFrench. Higher is better. No documented setup difference
Mistral Medium 3.51,436.08
MiMo-V2.5-ProWinner1,490.605
LMArena Text, Style ControlGerman. Higher is better. No documented setup difference
Mistral Medium 3.51,442.607
MiMo-V2.5-ProNo clear lead1,464.435
LMArena Text, Style ControlHard prompts. Higher is better. No documented setup difference
Mistral Medium 3.51,445.592
MiMo-V2.5-ProWinner1,496.232

Key to the marks:better valuebetter, but not conclusivetie

Benchmark scores for Mistral Medium 3.5 and MiMo-V2.5-Pro
Benchmark and taskMistral Medium 3.5MiMo-V2.5-ProSource
LMArena Text, Style ControlOverall
Test details
No documented difference in the test setupVersion: style-control-v1Metric: style-controlled Bradley-Terry ratingScoring: Higher is betterMistral Medium 3.5: Snapshot: mistral-medium-3.5, Harness: Arena text, style control
MiMo-V2.5-Pro: Snapshot: mimo-v2.5-pro, Harness: Arena text, style control
Mistral Medium 3.5: Style-controlled Arena rating from 11,017 anonymous pairwise votes.MiMo-V2.5-Pro: Style-controlled Arena rating from 57,416 anonymous pairwise votes.
1,426.98
95% confidence interval: ±6.556The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
Winner1,468.271
95% confidence interval: ±3.92The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
LMArena
Source details
Data as of: 09/01/2026
LMArena Text, Style ControlBusiness, management and finance
Test details
No documented difference in the test setupVersion: style-control-v1Metric: style-controlled Bradley-Terry ratingScoring: Higher is betterMistral Medium 3.5: Snapshot: mistral-medium-3.5, Harness: Arena text, style control
MiMo-V2.5-Pro: Snapshot: mimo-v2.5-pro, Harness: Arena text, style control
Mistral Medium 3.5: Style-controlled Arena rating from 2,148 anonymous pairwise votes.MiMo-V2.5-Pro: Style-controlled Arena rating from 11,336 anonymous pairwise votes.
1,431.113
95% confidence interval: ±13.17The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
Winner1,471.792
95% confidence interval: ±6.73The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
LMArena
Source details
Data as of: 09/01/2026
LMArena Text, Style ControlChinese
Test details
No documented difference in the test setupVersion: style-control-v1Metric: style-controlled Bradley-Terry ratingScoring: Higher is betterMistral Medium 3.5: Snapshot: mistral-medium-3.5, Harness: Arena text, style control
MiMo-V2.5-Pro: Snapshot: mimo-v2.5-pro, Harness: Arena text, style control
Mistral Medium 3.5: Style-controlled Arena rating from 500 anonymous pairwise votes.MiMo-V2.5-Pro: Style-controlled Arena rating from 3,151 anonymous pairwise votes.
1,448.299
95% confidence interval: ±26.61The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
Winner1,511.885
95% confidence interval: ±11.287The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
LMArena
Source details
Data as of: 09/01/2026
LMArena Text, Style ControlCoding
Test details
No documented difference in the test setupVersion: style-control-v1Metric: style-controlled Bradley-Terry ratingScoring: Higher is betterMistral Medium 3.5: Snapshot: mistral-medium-3.5, Harness: Arena text, style control
MiMo-V2.5-Pro: Snapshot: mimo-v2.5-pro, Harness: Arena text, style control
Mistral Medium 3.5: Style-controlled Arena rating from 3,079 anonymous pairwise votes.MiMo-V2.5-Pro: Style-controlled Arena rating from 15,755 anonymous pairwise votes.
1,478.845
95% confidence interval: ±11.157The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
Winner1,520.349
95% confidence interval: ±6.131The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
LMArena
Source details
Data as of: 09/01/2026
LMArena Text, Style ControlCreative writing
Test details
No documented difference in the test setupVersion: style-control-v1Metric: style-controlled Bradley-Terry ratingScoring: Higher is betterMistral Medium 3.5: Snapshot: mistral-medium-3.5, Harness: Arena text, style control
MiMo-V2.5-Pro: Snapshot: mimo-v2.5-pro, Harness: Arena text, style control
Mistral Medium 3.5: Style-controlled Arena rating from 1,862 anonymous pairwise votes.MiMo-V2.5-Pro: Style-controlled Arena rating from 10,262 anonymous pairwise votes.
1,396.971
95% confidence interval: ±14.389The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
Winner1,435.028
95% confidence interval: ±7.065The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
LMArena
Source details
Data as of: 09/01/2026
LMArena Text, Style ControlEnglish
Test details
No documented difference in the test setupVersion: style-control-v1Metric: style-controlled Bradley-Terry ratingScoring: Higher is betterMistral Medium 3.5: Snapshot: mistral-medium-3.5, Harness: Arena text, style control
MiMo-V2.5-Pro: Snapshot: mimo-v2.5-pro, Harness: Arena text, style control
Mistral Medium 3.5: Style-controlled Arena rating from 5,299 anonymous pairwise votes.MiMo-V2.5-Pro: Style-controlled Arena rating from 24,800 anonymous pairwise votes.
1,444.656
95% confidence interval: ±8.682The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
Winner1,481.475
95% confidence interval: ±5.077The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
LMArena
Source details
Data as of: 09/01/2026
LMArena Text, Style ControlEntertainment, sports and media
Test details
No documented difference in the test setupVersion: style-control-v1Metric: style-controlled Bradley-Terry ratingScoring: Higher is betterMistral Medium 3.5: Snapshot: mistral-medium-3.5, Harness: Arena text, style control
MiMo-V2.5-Pro: Snapshot: mimo-v2.5-pro, Harness: Arena text, style control
Mistral Medium 3.5: Style-controlled Arena rating from 2,453 anonymous pairwise votes.MiMo-V2.5-Pro: Style-controlled Arena rating from 12,963 anonymous pairwise votes.
1,396.875
95% confidence interval: ±12.491The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
Winner1,439.755
95% confidence interval: ±6.517The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
LMArena
Source details
Data as of: 09/01/2026
LMArena Text, Style ControlExcluding ties
Test details
No documented difference in the test setupVersion: style-control-v1Metric: style-controlled Bradley-Terry ratingScoring: Higher is betterMistral Medium 3.5: Snapshot: mistral-medium-3.5, Harness: Arena text, style control
MiMo-V2.5-Pro: Snapshot: mimo-v2.5-pro, Harness: Arena text, style control
Mistral Medium 3.5: Style-controlled Arena rating from 8,299 anonymous pairwise votes.MiMo-V2.5-Pro: Style-controlled Arena rating from 43,689 anonymous pairwise votes.
1,421.17
95% confidence interval: ±8.686The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
Winner1,473.632
95% confidence interval: ±5.043The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
LMArena
Source details
Data as of: 09/01/2026
LMArena Text, Style ControlExpert prompts
Test details
No documented difference in the test setupVersion: style-control-v1Metric: style-controlled Bradley-Terry ratingScoring: Higher is betterMistral Medium 3.5: Snapshot: mistral-medium-3.5, Harness: Arena text, style control
MiMo-V2.5-Pro: Snapshot: mimo-v2.5-pro, Harness: Arena text, style control
Mistral Medium 3.5: Style-controlled Arena rating from 1,110 anonymous pairwise votes.MiMo-V2.5-Pro: Style-controlled Arena rating from 5,454 anonymous pairwise votes.
1,438.278
95% confidence interval: ±17.831The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
Winner1,505.424
95% confidence interval: ±8.821The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
LMArena
Source details
Data as of: 09/01/2026
LMArena Text, Style ControlFrench
Test details
No documented difference in the test setupVersion: style-control-v1Metric: style-controlled Bradley-Terry ratingScoring: Higher is betterMistral Medium 3.5: Snapshot: mistral-medium-3.5, Harness: Arena text, style control
MiMo-V2.5-Pro: Snapshot: mimo-v2.5-pro, Harness: Arena text, style control
Mistral Medium 3.5: Style-controlled Arena rating from 438 anonymous pairwise votes.MiMo-V2.5-Pro: Style-controlled Arena rating from 2,168 anonymous pairwise votes.
1,436.08
95% confidence interval: ±30.551The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
Winner1,490.605
95% confidence interval: ±14.949The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
LMArena
Source details
Data as of: 09/01/2026
LMArena Text, Style ControlGerman
Test details
No documented difference in the test setupNo clear leadVersion: style-control-v1Metric: style-controlled Bradley-Terry ratingScoring: Higher is betterMistral Medium 3.5: Snapshot: mistral-medium-3.5, Harness: Arena text, style control
MiMo-V2.5-Pro: Snapshot: mimo-v2.5-pro, Harness: Arena text, style control
Mistral Medium 3.5: Style-controlled Arena rating from 170 anonymous pairwise votes.MiMo-V2.5-Pro: Style-controlled Arena rating from 976 anonymous pairwise votes.
1,442.607
95% confidence interval: ±44.317The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
No clear lead1,464.435
95% confidence interval: ±20.371The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
LMArena
Source details
Data as of: 09/01/2026
LMArena Text, Style ControlHard prompts
Test details
No documented difference in the test setupVersion: style-control-v1Metric: style-controlled Bradley-Terry ratingScoring: Higher is betterMistral Medium 3.5: Snapshot: mistral-medium-3.5, Harness: Arena text, style control
MiMo-V2.5-Pro: Snapshot: mimo-v2.5-pro, Harness: Arena text, style control
Mistral Medium 3.5: Style-controlled Arena rating from 7,154 anonymous pairwise votes.MiMo-V2.5-Pro: Style-controlled Arena rating from 37,619 anonymous pairwise votes.
1,445.592
95% confidence interval: ±7.857The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
Winner1,496.232
95% confidence interval: ±4.621The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
LMArena
Source details
Data as of: 09/01/2026
LMArena Text, Style ControlHard prompts, English
Test details
No documented difference in the test setupVersion: style-control-v1Metric: style-controlled Bradley-Terry ratingScoring: Higher is betterMistral Medium 3.5: Snapshot: mistral-medium-3.5, Harness: Arena text, style control
MiMo-V2.5-Pro: Snapshot: mimo-v2.5-pro, Harness: Arena text, style control
Mistral Medium 3.5: Style-controlled Arena rating from 3,629 anonymous pairwise votes.MiMo-V2.5-Pro: Style-controlled Arena rating from 16,903 anonymous pairwise votes.
1,458.246
95% confidence interval: ±10.39The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
Winner1,503.672
95% confidence interval: ±5.935The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
LMArena
Source details
Data as of: 09/01/2026
LMArena Text, Style ControlInstruction following
Test details
No documented difference in the test setupVersion: style-control-v1Metric: style-controlled Bradley-Terry ratingScoring: Higher is betterMistral Medium 3.5: Snapshot: mistral-medium-3.5, Harness: Arena text, style control
MiMo-V2.5-Pro: Snapshot: mimo-v2.5-pro, Harness: Arena text, style control
Mistral Medium 3.5: Style-controlled Arena rating from 3,561 anonymous pairwise votes.MiMo-V2.5-Pro: Style-controlled Arena rating from 18,986 anonymous pairwise votes.
1,422.491
95% confidence interval: ±10.335The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
Winner1,470.886
95% confidence interval: ±5.661The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
LMArena
Source details
Data as of: 09/01/2026
LMArena Text, Style ControlKorean
Test details
No documented difference in the test setupNo clear leadVersion: style-control-v1Metric: style-controlled Bradley-Terry ratingScoring: Higher is betterMistral Medium 3.5: Snapshot: mistral-medium-3.5, Harness: Arena text, style control
MiMo-V2.5-Pro: Snapshot: mimo-v2.5-pro, Harness: Arena text, style control
Mistral Medium 3.5: Style-controlled Arena rating from 178 anonymous pairwise votes.MiMo-V2.5-Pro: Style-controlled Arena rating from 1,085 anonymous pairwise votes.
1,394.42
95% confidence interval: ±44.572The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
No clear lead1,437.743
95% confidence interval: ±19.601The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
LMArena
Source details
Data as of: 09/01/2026
LMArena Text, Style ControlLegal and government
Test details
No documented difference in the test setupVersion: style-control-v1Metric: style-controlled Bradley-Terry ratingScoring: Higher is betterMistral Medium 3.5: Snapshot: mistral-medium-3.5, Harness: Arena text, style control
MiMo-V2.5-Pro: Snapshot: mimo-v2.5-pro, Harness: Arena text, style control
Mistral Medium 3.5: Style-controlled Arena rating from 839 anonymous pairwise votes.MiMo-V2.5-Pro: Style-controlled Arena rating from 4,667 anonymous pairwise votes.
1,437.785
95% confidence interval: ±21.302The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
Winner1,475.096
95% confidence interval: ±9.506The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
LMArena
Source details
Data as of: 09/01/2026
LMArena Text, Style ControlLife, physical and social science
Test details
No documented difference in the test setupVersion: style-control-v1Metric: style-controlled Bradley-Terry ratingScoring: Higher is betterMistral Medium 3.5: Snapshot: mistral-medium-3.5, Harness: Arena text, style control
MiMo-V2.5-Pro: Snapshot: mimo-v2.5-pro, Harness: Arena text, style control
Mistral Medium 3.5: Style-controlled Arena rating from 1,823 anonymous pairwise votes.MiMo-V2.5-Pro: Style-controlled Arena rating from 9,330 anonymous pairwise votes.
1,433.494
95% confidence interval: ±14.359The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
Winner1,489.986
95% confidence interval: ±7.065The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
LMArena
Source details
Data as of: 09/01/2026
LMArena Text, Style ControlLonger queries
Test details
No documented difference in the test setupVersion: style-control-v1Metric: style-controlled Bradley-Terry ratingScoring: Higher is betterMistral Medium 3.5: Snapshot: mistral-medium-3.5, Harness: Arena text, style control
MiMo-V2.5-Pro: Snapshot: mimo-v2.5-pro, Harness: Arena text, style control
Mistral Medium 3.5: Style-controlled Arena rating from 4,661 anonymous pairwise votes.MiMo-V2.5-Pro: Style-controlled Arena rating from 25,308 anonymous pairwise votes.
1,430.723
95% confidence interval: ±9.428The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
Winner1,486.38
95% confidence interval: ±5.381The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
LMArena
Source details
Data as of: 09/01/2026
LMArena Text, Style ControlMath
Test details
No documented difference in the test setupVersion: style-control-v1Metric: style-controlled Bradley-Terry ratingScoring: Higher is betterMistral Medium 3.5: Snapshot: mistral-medium-3.5, Harness: Arena text, style control
MiMo-V2.5-Pro: Snapshot: mimo-v2.5-pro, Harness: Arena text, style control
Mistral Medium 3.5: Style-controlled Arena rating from 539 anonymous pairwise votes.MiMo-V2.5-Pro: Style-controlled Arena rating from 2,709 anonymous pairwise votes.
1,429.582
95% confidence interval: ±24.872The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
Winner1,476.197
95% confidence interval: ±11.79The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
LMArena
Source details
Data as of: 09/01/2026
LMArena Text, Style ControlMathematical professions
Test details
No documented difference in the test setupVersion: style-control-v1Metric: style-controlled Bradley-Terry ratingScoring: Higher is betterMistral Medium 3.5: Snapshot: mistral-medium-3.5, Harness: Arena text, style control
MiMo-V2.5-Pro: Snapshot: mimo-v2.5-pro, Harness: Arena text, style control
Mistral Medium 3.5: Style-controlled Arena rating from 597 anonymous pairwise votes.MiMo-V2.5-Pro: Style-controlled Arena rating from 3,049 anonymous pairwise votes.
1,442.192
95% confidence interval: ±23.932The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
Winner1,490.74
95% confidence interval: ±11.451The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
LMArena
Source details
Data as of: 09/01/2026
LMArena Text, Style ControlMedicine and healthcare
Test details
No documented difference in the test setupVersion: style-control-v1Metric: style-controlled Bradley-Terry ratingScoring: Higher is betterMistral Medium 3.5: Snapshot: mistral-medium-3.5, Harness: Arena text, style control
MiMo-V2.5-Pro: Snapshot: mimo-v2.5-pro, Harness: Arena text, style control
Mistral Medium 3.5: Style-controlled Arena rating from 802 anonymous pairwise votes.MiMo-V2.5-Pro: Style-controlled Arena rating from 4,093 anonymous pairwise votes.
1,423.47
95% confidence interval: ±21.791The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
Winner1,487.611
95% confidence interval: ±10.209The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
LMArena
Source details
Data as of: 09/01/2026
LMArena Text, Style ControlMulti-turn
Test details
No documented difference in the test setupVersion: style-control-v1Metric: style-controlled Bradley-Terry ratingScoring: Higher is betterMistral Medium 3.5: Snapshot: mistral-medium-3.5, Harness: Arena text, style control
MiMo-V2.5-Pro: Snapshot: mimo-v2.5-pro, Harness: Arena text, style control
Mistral Medium 3.5: Style-controlled Arena rating from 1,803 anonymous pairwise votes.MiMo-V2.5-Pro: Style-controlled Arena rating from 10,034 anonymous pairwise votes.
1,431.302
95% confidence interval: ±14.433The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
Winner1,477.793
95% confidence interval: ±7.08The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
LMArena
Source details
Data as of: 09/01/2026
LMArena Text, Style ControlNon-English
Test details
No documented difference in the test setupVersion: style-control-v1Metric: style-controlled Bradley-Terry ratingScoring: Higher is betterMistral Medium 3.5: Snapshot: mistral-medium-3.5, Harness: Arena text, style control
MiMo-V2.5-Pro: Snapshot: mimo-v2.5-pro, Harness: Arena text, style control
Mistral Medium 3.5: Style-controlled Arena rating from 5,718 anonymous pairwise votes.MiMo-V2.5-Pro: Style-controlled Arena rating from 32,616 anonymous pairwise votes.
1,406.687
95% confidence interval: ±8.36The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
Winner1,451.502
95% confidence interval: ±4.696The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
LMArena
Source details
Data as of: 09/01/2026
LMArena Text, Style ControlPolish
Test details
No documented difference in the test setupVersion: style-control-v1Metric: style-controlled Bradley-Terry ratingScoring: Higher is betterMistral Medium 3.5: Snapshot: mistral-medium-3.5, Harness: Arena text, style control
MiMo-V2.5-Pro: Snapshot: mimo-v2.5-pro, Harness: Arena text, style control
Mistral Medium 3.5: Style-controlled Arena rating from 226 anonymous pairwise votes.MiMo-V2.5-Pro: Style-controlled Arena rating from 1,102 anonymous pairwise votes.
1,407.955
95% confidence interval: ±38.858The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
Winner1,469.555
95% confidence interval: ±18.134The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
LMArena
Source details
Data as of: 09/01/2026
LMArena Text, Style ControlRussian
Test details
No documented difference in the test setupVersion: style-control-v1Metric: style-controlled Bradley-Terry ratingScoring: Higher is betterMistral Medium 3.5: Snapshot: mistral-medium-3.5, Harness: Arena text, style control
MiMo-V2.5-Pro: Snapshot: mimo-v2.5-pro, Harness: Arena text, style control
Mistral Medium 3.5: Style-controlled Arena rating from 1,143 anonymous pairwise votes.MiMo-V2.5-Pro: Style-controlled Arena rating from 6,357 anonymous pairwise votes.
1,415.692
95% confidence interval: ±17.832The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
Winner1,461.737
95% confidence interval: ±8.195The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
LMArena
Source details
Data as of: 09/01/2026
LMArena Text, Style ControlSoftware and IT services
Test details
No documented difference in the test setupVersion: style-control-v1Metric: style-controlled Bradley-Terry ratingScoring: Higher is betterMistral Medium 3.5: Snapshot: mistral-medium-3.5, Harness: Arena text, style control
MiMo-V2.5-Pro: Snapshot: mimo-v2.5-pro, Harness: Arena text, style control
Mistral Medium 3.5: Style-controlled Arena rating from 4,320 anonymous pairwise votes.MiMo-V2.5-Pro: Style-controlled Arena rating from 22,807 anonymous pairwise votes.
1,470.76
95% confidence interval: ±9.541The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
Winner1,508.236
95% confidence interval: ±5.348The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
LMArena
Source details
Data as of: 09/01/2026
LMArena Text, Style ControlSpanish
Test details
No documented difference in the test setupVersion: style-control-v1Metric: style-controlled Bradley-Terry ratingScoring: Higher is betterMistral Medium 3.5: Snapshot: mistral-medium-3.5, Harness: Arena text, style control
MiMo-V2.5-Pro: Snapshot: mimo-v2.5-pro, Harness: Arena text, style control
Mistral Medium 3.5: Style-controlled Arena rating from 377 anonymous pairwise votes.MiMo-V2.5-Pro: Style-controlled Arena rating from 1,747 anonymous pairwise votes.
1,386.845
95% confidence interval: ±32.418The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
Winner1,458.581
95% confidence interval: ±15.611The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
LMArena
Source details
Data as of: 09/01/2026
LMArena Text, Style ControlWriting, literature and language
Test details
No documented difference in the test setupVersion: style-control-v1Metric: style-controlled Bradley-Terry ratingScoring: Higher is betterMistral Medium 3.5: Snapshot: mistral-medium-3.5, Harness: Arena text, style control
MiMo-V2.5-Pro: Snapshot: mimo-v2.5-pro, Harness: Arena text, style control
Mistral Medium 3.5: Style-controlled Arena rating from 2,734 anonymous pairwise votes.MiMo-V2.5-Pro: Style-controlled Arena rating from 14,537 anonymous pairwise votes.
1,405.944
95% confidence interval: ±11.74The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
Winner1,452.221
95% confidence interval: ±6.177The Arena score measures human preference rather than a fixed capability test. The confidence interval and model configuration are part of the result.
LMArena
Source details
Data as of: 09/01/2026

Key to the marks:better valuebetter, but not conclusivetie

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