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Head-to-head comparison

Claude Haiku 5.5 vs. Muse Wonder Full

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

shared result series
166
distinct benchmarks
22
latest retrieval
2026-10-15

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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 Claude Haiku 5.5 and Muse Wonder Full
AttributeClaude Haiku 5.5Muse Wonder Full
ProviderAnthropicMeta
ReleasedOct 7, 2026Oct 12, 2026
AvailabilityActiveSubscription only
Model typeProprietaryProprietary
ParametersNot publishedNot published
ArchitectureNot publishedNot published
Context window1,000,000 tokens1M tokens
Knowledge cutoffJune 2026Not published
Technical sourcesModelModel, Context

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 Claude Haiku 5.5 and Muse Wonder Full
Price typeClaude Haiku 5.5Muse Wonder Full
API input$0.1 ≤100K / $0.5 >100K—
API output$0.5 ≤100K / $2.5 >100K—
Cache read$0.01 ≤100K / $0.05 >100KNot listed
Cache write (5 min.)$0.125 ≤100K / $0.625 >100KNot listed
Cache write (1 hr.)$0.2 ≤100K / $1 >100KNot listed
Price verified10/13/2026 Source10/15/2026
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.

No provider tariff for Muse Wonder Full is available in the stored OpenRouter snapshot. The official direct price is still shown.

Provider pricing for Claude Haiku 5.5 and Muse Wonder Full
ModelProviderPurchase route and tariffInput per 1M tokensOutput per 1M tokensSource
Claude Haiku 5.5AnthropicDirect from developerUp to 100,000 context tokens$0.1Lowest listed price: $0.5Source10/13/2026
AnthropicDirect from developerAbove 100,000 context tokens$0.5$2.5Source10/13/2026
Amazon BedrockVia OpenRouteramazon-bedrockLowest listed price: $0.1Lowest listed price: $0.5Source10/16/2026
Amazon BedrockVia OpenRouteramazon-bedrock/eu-west-1$0.11$0.55Source10/16/2026
Amazon BedrockVia OpenRouteramazon-bedrock/us-east-1$0.11$0.55Source10/16/2026
AnthropicVia OpenRouteranthropicLowest listed price: $0.1Lowest listed price: $0.5Source10/16/2026
AzureVia OpenRouterazure/globalLowest listed price: $0.1Lowest listed price: $0.5Source10/16/2026
AzureVia OpenRouterazure/us$0.11$0.55Source10/16/2026
Claude Platform on AWSVia OpenRouterclaude-on-awsLowest listed price: $0.1Lowest listed price: $0.5Source10/16/2026
GoogleVia OpenRoutergoogle-vertex/europe$0.11$0.55Source10/16/2026
GoogleVia OpenRoutergoogle-vertex/globalLowest listed price: $0.1Lowest listed price: $0.5Source10/16/2026
GoogleVia OpenRoutergoogle-vertex/us$0.11$0.55Source10/16/2026

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.

Not enough directly matched categories for a reliable radar

Only 0 of at least 5 categories have comparable, direct model measurements. The benchmark tables below show the available evidence without filling missing axes.

Claude Haiku 5.5Muse Wonder Full
BioMysteryBenchOverall. Higher is better. Test setup not documented as identical
Claude Haiku 5.570.37 %
Muse Wonder FullHigher measured value73.333 %
Code MigrationOverall. Higher is better. Test setup not documented as identical
Claude Haiku 5.544.568 %
Muse Wonder FullHigher measured value61.033 %
CyberBench v1.1Overall. Higher is better. Test setup not documented as identical
Claude Haiku 5.5Higher measured value75.476 %
Muse Wonder Full73.631 %
EMBOverall. Higher is better. Test setup not documented as identical
Claude Haiku 5.559.015 %
Muse Wonder FullHigher measured value71.917 %
Finance Agent (v2)Overall. Higher is better. Test setup not documented as identical
Claude Haiku 5.554.138 %
Muse Wonder FullHigher measured value59.061 %
Harvey's Legal Agent BenchmarkOverall · Task fully resolved. Higher is better. Test setup not documented as identical
Claude Haiku 5.51.25 %
Muse Wonder FullHigher measured value21.667 %
IOIOverall. Higher is better. Test setup not documented as identical
Claude Haiku 5.547.278 %
Muse Wonder FullHigher measured value79.833 %
Legal Research BenchOverall · All-pass. Higher is better. Test setup not documented as identical
Claude Haiku 5.543.269 %
Muse Wonder FullHigher measured value53.365 %
MedCodeOverall. Higher is better. Test setup not documented as identical
Claude Haiku 5.5Higher measured value51.542 %
Muse Wonder Full49.932 %
MedScribeOverall. Higher is better. Test setup not documented as identical
Claude Haiku 5.5Higher measured value89.542 %
Muse Wonder Full89.335 %
MysteryMechanismOverall. Higher is better. Test setup not documented as identical
Claude Haiku 5.5No direct winner35.135 %
Muse Wonder FullNo direct winner35.135 %
ProgramBenchOverall. Higher is better. Test setup not documented as identical
Claude Haiku 5.5Higher measured value2.5 %
Muse Wonder Full0.5 %

Key to the marks:better valuebetter, but not conclusivetie

Benchmark scores for Claude Haiku 5.5 and Muse Wonder Full
Benchmark and taskClaude Haiku 5.5Muse Wonder FullSource
BioMysteryBenchOverall
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Harness: Terminus 2, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Harness: Terminus 2, Temperature: 1, Output limit: 131,072 tokens
70.37 %
Higher measured value73.333 %
Vals AI
Source details
Data as of: 10/12/2026
Code MigrationOverall
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
44.568 %
Higher measured value61.033 %
Vals AI
Source details
Data as of: 10/12/2026
CyberBench v1.1Overall
Test details
Test setup not documented as identicalNo direct winnerVersion: 1.1Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
Higher measured value75.476 %
73.631 %
Vals AI
Source details
Data as of: 10/12/2026
EMBOverall
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
59.015 %
Higher measured value71.917 %
Vals AI
Source details
Data as of: 10/12/2026
Finance Agent (v2)Overall
Test details
Test setup not documented as identicalNo direct winnerVersion: 2Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
54.138 %
Higher measured value59.061 %
Vals AI
Source details
Data as of: 10/12/2026
Harvey's Legal Agent BenchmarkOverall · Task fully resolved
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: task resolution rateScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
1.25 %
Higher measured value21.667 %
Vals AI
Source details
Data as of: 10/12/2026
IOIOverall
Test details
Test setup not documented as identicalNo direct winnerVersion: 2Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
47.278 %
Higher measured value79.833 %
Vals AI
Source details
Data as of: 10/14/2026
Legal Research BenchOverall · All-pass
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: all-pass rateScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
43.269 %
Higher measured value53.365 %
Vals AI
Source details
Data as of: 10/12/2026
MedCodeOverall
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
Higher measured value51.542 %
49.932 %
Vals AI
Source details
Data as of: 10/13/2026
MedScribeOverall
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
Higher measured value89.542 %
89.335 %
Vals AI
Source details
Data as of: 10/13/2026
MysteryMechanismOverall
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
No direct winner35.135 %
No direct winner35.135 %
Vals AI
Source details
Data as of: 10/12/2026
ProgramBenchOverall
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: fully resolved rateScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
Higher measured value2.5 %
0.5 %
Vals AI
Source details
Data as of: 10/12/2026
ProofBenchOverall
Test details
Test setup not documented as identicalNo direct winnerVersion: 1.1Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
89 %
Higher measured value94 %
Vals AI
Source details
Data as of: 10/12/2026
Public Benefits Bench v1.1Overall
Test details
Test setup not documented as identicalNo direct winnerVersion: 1.1Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
63.194 %
Higher measured value73.748 %
Vals AI
Source details
Data as of: 10/12/2026
SRE BenchOverall
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: fully solved rateScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
5.725 %
Higher measured value11.832 %
Vals AI
Source details
Data as of: 10/14/2026
SWE-bench MultimodalOverall
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
43.958 %
Higher measured value47.292 %
Vals AI
Source details
Data as of: 10/13/2026
Tax Agent BenchOverall
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
31.922 %
Higher measured value42.997 %
Vals AI
Source details
Data as of: 10/12/2026
Terminal-Bench 4.0Overall
Test details
Test setup not documented as identicalNo direct winnerVersion: 4.0Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
36.364 %
Higher measured value58.081 %
Vals AI
Source details
Data as of: 10/13/2026
Terminal-Bench ScienceOverall
Test details
Test setup not documented as identicalNo direct winnerVersion: 0.1Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Harness: Mini-SWE-agent, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Harness: Mini-SWE-agent, Temperature: 1, Output limit: 131,072 tokens
10 %
Higher measured value37.143 %
Vals AI
Source details
Data as of: 10/14/2026
Vals IndexOverall
Test details
Test setup not documented as identicalNo direct winnerVersion: 2.1Metric: weighted index scoreScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
54.435 %
Higher measured value64.566 %
Vals AI
Source details
Data as of: 10/13/2026
Vibe Code Bench 1-100Overall
Test details
Test setup not documented as identicalNo direct winnerVersion: 1.0Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Harness: OpenHands, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Harness: OpenHands, Temperature: 1, Output limit: 131,072 tokens
20.406 %
Higher measured value33.978 %
Vals AI
Source details
Data as of: 10/14/2026
Vibe Code Bench v1.1Overall
Test details
Test setup not documented as identicalNo direct winnerVersion: 1.1Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Harness: OpenHands, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Harness: OpenHands, Temperature: 1, Output limit: 131,072 tokens
Higher measured value90.444 %
85.996 %
Vals AI
Source details
Data as of: 10/12/2026
BioMysteryBenchHard
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Harness: Terminus 2, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Harness: Terminus 2, Temperature: 1, Output limit: 131,072 tokens
29.412 %
Higher measured value33.333 %
Vals AI
Source details
Data as of: 10/12/2026
Code MigrationCLI
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
36.091 %
Higher measured value58.044 %
Vals AI
Source details
Data as of: 10/12/2026
CyberBench v1.1Patch
Test details
Test setup not documented as identicalNo direct winnerVersion: 1.1Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
Higher measured value89.286 %
83.929 %
Vals AI
Source details
Data as of: 10/12/2026
EMBComps
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
77.925 %
Higher measured value80.89 %
Vals AI
Source details
Data as of: 10/12/2026
Finance Agent (v2)Adjustments
Test details
Test setup not documented as identicalNo direct winnerVersion: 2Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
49.557 %
Higher measured value56.668 %
Vals AI
Source details
Data as of: 10/12/2026
Harvey's Legal Agent BenchmarkAntitrust Competition · Criteria passed
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: criteria pass rateScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
81.944 %
Higher measured value94.928 %
Vals AI
Source details
Data as of: 10/12/2026
IOIIOI 2024
Test details
Test setup not documented as identicalNo direct winnerVersion: 2Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
67.667 %
Higher measured value75.333 %
Vals AI
Source details
Data as of: 10/14/2026
Legal Research BenchAdministrative / Regulatory · All-pass
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: all-pass rateScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
50 %
Higher measured value63.636 %
Vals AI
Source details
Data as of: 10/12/2026
ProgramBenchAlmost Resolved
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: almost-resolved rateScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
Higher measured value29.5 %
8 %
Vals AI
Source details
Data as of: 10/12/2026
SRE BenchCapability Score
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: capability scoreScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
Higher measured value18.13 %
17.748 %
Vals AI
Source details
Data as of: 10/14/2026
SWE-bench Multimodalbpmn-js
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
64.151 %
Higher measured value69.811 %
Vals AI
Source details
Data as of: 10/13/2026
Tax Agent BenchControversy & Precedence Analysis
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
6.667 %
Higher measured value26.667 %
Vals AI
Source details
Data as of: 10/12/2026
Terminal-Bench 4.0Hardware
Test details
Test setup not documented as identicalNo direct winnerVersion: 4.0Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
20 %
Higher measured value46.667 %
Vals AI
Source details
Data as of: 10/13/2026
Terminal-Bench ScienceEarth Sciences
Test details
Test setup not documented as identicalNo direct winnerVersion: 0.1Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Harness: Mini-SWE-agent, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Harness: Mini-SWE-agent, Temperature: 1, Output limit: 131,072 tokens
0 %
Higher measured value62.5 %
Vals AI
Source details
Data as of: 10/14/2026
Vals IndexCode Migration
Test details
Test setup not documented as identicalNo direct winnerVersion: 2.1Metric: benchmark scoreScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
45.921 %
Higher measured value60.256 %
Vals AI
Source details
Data as of: 10/13/2026
BioMysteryBenchHuman-solvable
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Harness: Terminus 2, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Harness: Terminus 2, Temperature: 1, Output limit: 131,072 tokens
79.909 %
Higher measured value82.648 %
Vals AI
Source details
Data as of: 10/12/2026
Code MigrationCOBOL
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
No direct winner70 %
No direct winner70 %
Vals AI
Source details
Data as of: 10/12/2026
CyberBench v1.1PoC
Test details
Test setup not documented as identicalNo direct winnerVersion: 1.1Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
61.667 %
Higher measured value63.333 %
Vals AI
Source details
Data as of: 10/12/2026
EMBDataroom
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
Higher measured value85.482 %
85.257 %
Vals AI
Source details
Data as of: 10/12/2026
Finance Agent (v2)All-Pass
Test details
Test setup not documented as identicalNo direct winnerVersion: 2Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
42.874 %
Higher measured value49.037 %
Vals AI
Source details
Data as of: 10/12/2026
Harvey's Legal Agent BenchmarkAntitrust Competition · Task fully resolved
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: task resolution rateScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
0 %
Higher measured value20 %
Vals AI
Source details
Data as of: 10/12/2026
IOIIOI 2025
Test details
Test setup not documented as identicalNo direct winnerVersion: 2Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
31.333 %
Higher measured value85.5 %
Vals AI
Source details
Data as of: 10/14/2026
Legal Research BenchAdministrative / Regulatory · Weighted partial credit
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: weighted partial-credit scoreScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
88.676 %
Higher measured value92.809 %
Vals AI
Source details
Data as of: 10/12/2026
ProgramBenchFully Resolved
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: fully resolved rateScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
Higher measured value2.5 %
0.5 %
Vals AI
Source details
Data as of: 10/12/2026
SRE BenchFully Solved
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: fully solved rateScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
5.725 %
Higher measured value11.832 %
Vals AI
Source details
Data as of: 10/14/2026
SWE-bench MultimodalCarbon
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
24.06 %
Higher measured value29.323 %
Vals AI
Source details
Data as of: 10/13/2026
Tax Agent BenchControversy & Precedence Analysis
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
54.091 %
Higher measured value76.097 %
Vals AI
Source details
Data as of: 10/12/2026
Terminal-Bench 4.0Media
Test details
Test setup not documented as identicalNo direct winnerVersion: 4.0Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
25 %
Higher measured value58.333 %
Vals AI
Source details
Data as of: 10/13/2026
Terminal-Bench ScienceEngineering Sciences
Test details
Test setup not documented as identicalNo direct winnerVersion: 0.1Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Harness: Mini-SWE-agent, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Harness: Mini-SWE-agent, Temperature: 1, Output limit: 131,072 tokens
0 %
Higher measured value11.111 %
Vals AI
Source details
Data as of: 10/14/2026
Vals IndexEMB
Test details
Test setup not documented as identicalNo direct winnerVersion: 2.1Metric: benchmark scoreScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
59.015 %
Higher measured value71.917 %
Vals AI
Source details
Data as of: 10/13/2026
Code MigrationCode Quality
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: mean reviewer code-quality ratingScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
Higher measured value4.825 / 5
4.244 / 5
Vals AI
Source details
Data as of: 10/12/2026
EMBDCF
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
55.108 %
Higher measured value66.579 %
Vals AI
Source details
Data as of: 10/12/2026
Finance Agent (v2)Comparables
Test details
Test setup not documented as identicalNo direct winnerVersion: 2Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
45.325 %
Higher measured value46.809 %
Vals AI
Source details
Data as of: 10/12/2026
Harvey's Legal Agent BenchmarkArbitration International Dispute Resolution · Criteria passed
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: criteria pass rateScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
48.746 %
Higher measured value95.699 %
Vals AI
Source details
Data as of: 10/12/2026
IOIIOI 2026
Test details
Test setup not documented as identicalNo direct winnerVersion: 2Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
42.833 %
Higher measured value78.667 %
Vals AI
Source details
Data as of: 10/14/2026
Legal Research BenchBusiness & Commercial · All-pass
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: all-pass rateScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
44.186 %
Higher measured value58.14 %
Vals AI
Source details
Data as of: 10/12/2026
ProgramBenchRaw Pass Rate
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: raw test pass rateScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
Higher measured value78.676 %
24.187 %
Vals AI
Source details
Data as of: 10/12/2026
SWE-bench MultimodalESLint
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
No direct winner63.636 %
No direct winner63.636 %
Vals AI
Source details
Data as of: 10/13/2026
Tax Agent BenchCurrent & Temporal Analysis
Test details
Test setup not documented as identicalNo direct winnerVersion: 1Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
36.667 %
Higher measured value56.614 %
Vals AI
Source details
Data as of: 10/12/2026
Terminal-Bench 4.0ML
Test details
Test setup not documented as identicalNo direct winnerVersion: 4.0Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
63.636 %
Higher measured value66.667 %
Vals AI
Source details
Data as of: 10/13/2026
Terminal-Bench ScienceLife Sciences
Test details
Test setup not documented as identicalNo direct winnerVersion: 0.1Metric: accuracyScoring: Higher is betterClaude Haiku 5.5: Compute: max, Harness: Mini-SWE-agent, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Harness: Mini-SWE-agent, Temperature: 1, Output limit: 131,072 tokens
15.789 %
Higher measured value36.842 %
Vals AI
Source details
Data as of: 10/14/2026
Vals IndexFinance Agent v2
Test details
Test setup not documented as identicalNo direct winnerVersion: 2.1Metric: benchmark scoreScoring: Higher is betterClaude Haiku 5.5: Compute: max, Output limit: 128,000 tokens
Muse Wonder Full: Reasoning: max, Temperature: 1, Output limit: 131,072 tokens
54.138 %
Higher measured value59.061 %
Vals AI
Source details
Data as of: 10/13/2026

Key to the marks:better valuebetter, but not conclusivetie

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Compare Claude Haiku 5.5 and Muse Wonder Full with other leading models using the same data and benchmark logic.

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