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DeepSeek V4.1 Flash 1017vs.Mistral Large 3

Which one is better?

DeepSeek V4.1 Flash 1017 is clearly ahead in the overall index and is cheaper too: Mistral Large 3 costs 3.3 times (input) and 2.5 times (output) as much per token.

IntelligenceOverall index, 0 to 100 · higher is better
64

DeepSeek V4.1 Flash 1017

Rank 14 to 22

below 1

Mistral Large 3

Rank 88 to 94

SpeedTokens per second · higher is better
178

DeepSeek V4.1 Flash 1017

fast

84

Mistral Large 3

fairly slow

PriceDollars per 1M tokens · lower is better
$0.26

DeepSeek V4.1 Flash 1017

cheap

$0.75

Mistral Large 3

fairly cheap

DeepSeek V4.1 Flash 1017

Subscription

No DeepSeek subscription includes this model. Through other providers from ≈ €6.36 a month (Token Plan Individual Lite, with limited credits). 7 plans in Germany.

Via API

$0.15 input, $0.60 output per 1M tokens according to the provider; the price index has listed it at $0.30 and $1 since Oct 26, 2026.

Mistral Large 3

Subscription

No Mistral AI subscription includes this model. Through other providers only in team or business plans, from €29.75 a month per seat (Langdock Business Standard). 2 plans in Germany.

Via API

$0.50 input, $1.50 output per 1M tokens, unchanged since our price tracking began on Aug 14, 2026.

Overall index with data through Oct 29, 2026 · Prices from Oct 29, 2026 · Speed: measured by Artificial Analysis · Subscriptions as of Oct 24, 2026 · Subscription prices incl. VAT

Where is the difference?

Values from 0 to 100 per task area. We only name a winner when the gap is large enough and there are enough tests.

DeepSeek V4.1 Flash 1017 ahead: 7Mistral Large 3 ahead: 0level: 0too little data: 3of 10 areas

DeepSeek V4.1 Flash 1017Mistral Large 30 to 100, higher is better
Areas in the overall index
CodingDeepSeek V4.1 Flash 1017 aheadDeepSeek V4.1 Flash 1017: 72Mistral Large 3: below 1
ReasoningDeepSeek V4.1 Flash 1017 aheadDeepSeek V4.1 Flash 1017: 45Mistral Large 3: below 1
Mathematicsonly Mistral Large 3 has a scoreDeepSeek V4.1 Flash 1017: not enough dataMistral Large 3: below 1
KnowledgeDeepSeek V4.1 Flash 1017 aheadDeepSeek V4.1 Flash 1017: 33Mistral Large 3: below 1
AgentsDeepSeek V4.1 Flash 1017 aheadDeepSeek V4.1 Flash 1017: 75Mistral Large 3: below 1
Generalonly Mistral Large 3 has a scoreDeepSeek V4.1 Flash 1017: not enough dataMistral Large 3: below 1
MultimodalDeepSeek V4.1 Flash 1017 aheadDeepSeek V4.1 Flash 1017: 55Mistral Large 3: below 1
Specialist fields
FinanceDeepSeek V4.1 Flash 1017 aheadDeepSeek V4.1 Flash 1017: 69Mistral Large 3: below 1
LegalDeepSeek V4.1 Flash 1017 aheadDeepSeek V4.1 Flash 1017: 76Mistral Large 3: below 1
Healthonly Mistral Large 3 has a scoreDeepSeek V4.1 Flash 1017: not enough dataMistral Large 3: below 1

See for yourself: same task, one attempt

The same prompt for both models. We show the latest attempt without fixes; it does not count toward the overall index.

Pelican on a bicycle

A community classic for free-form SVG drawing.

DeepSeek V4.1 Flash 1017

Not tested yet

Mistral Large 3

Mistral Large 3: Pelican on a bicycle
A community classic for free-form SVG drawing.

Reasoning (model default): no reasoning mode Source

Current attempt
Run date
Oct 1, 2026
API provider
openrouter
Requested API model
mistralai/mistral-large-2512
API model reported in response
mistralai/mistral-large-2512
Reasoning setting
not specified
Pinned endpoint
Mistral | mistralai/mistral-large-2512
Temperature
Provider default
Token limit including reasoning
8,192 tokens
Test protocol
community-visual-tests-v1
Technical checks
Passed, not a quality rating
Response time
14.2 s

Visually reviewed. This individual test does not establish overall model quality.

Earlier attempts (1)
  • Sep 7, 2026API request failedReasoning setting: not specified
Prompt and test conditions

Generate an SVG of a pelican riding a bicycle

Token limit including reasoning: 8,192 tokens

Task origin (Simon Willison)
SVG short test

There is no shared test round for this selection. Results from different rounds are not mixed.

All data side by side

The better value is bold. For the overall index only when the gap is clear.

MetricDeepSeek V4.1 Flash 1017Mistral Large 3
Intelligence
Overall index0 to 100, higher is better64below 1
RankRank 14 to 22 of 95Rank 88 to 94 of 95
Price per 1M tokens
Inputwhat you send$0.15$0.50
Outputwhat the model writes$0.60$1.50
Speed
Tokens per second17884
Technical
Context windowhow much text the model reads at once1.05 M tokens≈ 1,570 A4 pages262,144 tokens≈ 390 A4 pages
Knowledge cutoffn/an/a
ReleasedOct 17, 2026Dec 2, 2025
AvailabilityOpen SourceActive
Open weightsyesyes
  • DeepSeek V4.1 Flash 1017: At peak times (Mon, Tue, Wed, Thu, Fri, 01:00-04:00 UTC; Mon, Tue, Wed, Thu, Fri, 06:00-10:00 UTC) the price is $0.30 input and $1.20 output per 1M tokens. The table shows the off-peak price.
  • DeepSeek V4.1 Flash 1017, Time-based API pricing: Off peak: $0.15 input, $0.60 output, and $0.003 cached input. Weekdays UTC 01:00-04:00 and 06:00-10:00: $0.30, $1.20, and $0.006. Chinese public holidays are excluded. Source

Prices without caching or batch discounts · Page count as a rule of thumb from Artificial Analysis

Shared benchmarks

Single results from the same benchmark version, task and metric. A value is bold only with the same test setup and a clear gap.

A: DeepSeek V4.1 Flash 1017B: Mistral Large 3

LMArena Code Arena WebDevOverall · higher is betterTest setup not documented as identicalDeepSeek V4.1 Flash 1017: 1,666Mistral Large 3: 1,232LMArenaAs of 10/27/2026
LMArena Code Arena WebDevHTML development · higher is betterTest setup not documented as identicalDeepSeek V4.1 Flash 1017: 1,705Mistral Large 3: 1,240LMArenaAs of 10/27/2026
LMArena Code Arena WebDevWeb development · higher is betterTest setup not documented as identicalDeepSeek V4.1 Flash 1017: 1,666Mistral Large 3: 1,232LMArenaAs of 10/27/2026

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