The Model Index
Up to four models

Muse Wonder vs Claude Haiku 5.5

On the index (GPT-4 = 100), Muse Wonder scores 182 and Claude Haiku 5.5 174. Side by side on the same third-party tests, with price and context. The link in your address bar shares this exact comparison.

Next to Muse Wonder
Presets
Muse Wonder
182166–199
WeightsClosed
ReleasedOct 2026
Price in / out$4.0 / $20
Context1.05M
Core tests taken1 of 9
Claude Haiku 5.5
174158–191
WeightsClosed
ReleasedOct 2026
Price in / out$0.10 / $0.50
Context1M
Core tests taken7 of 9

Muse Wonder leads Claude Haiku 5.5 by 8 points, ahead on 1 of 1 shared core tests, at 40× the price.

Test by testthird-party results

Muse WonderClaude Haiku 5.5
0%25%50%75%100%REASONING & KNOWLEDGEEBR-benchEBR-benchMATHSFrontierMath (tiers 1-3)FrontierMath (tiers 1-3)AIME-style maths (OTIS mock)AIME-style maths (OTIS mock)FrontierMath (tier 4)FrontierMath (tier 4)AGENTSDTBenchDTBenchFurniture assemblyFurniture assemblyLMCALMCAMystery game puzzlesMystery game puzzles
Every result as a table
TestMuse WonderClaude Haiku 5.5
Reasoning & knowledge
EBR-bench31.4%43.8%
Maths
FrontierMath (tiers 1-3)82.1%75.1%
AIME-style maths (OTIS mock)99.4%98.9%
FrontierMath (tier 4)70.7%46.3%
Agents
DTBench95.2%95.0%
Furniture assembly54.2%47.5%
LMCA56.8%51.1%
Mystery game puzzles51.0%30.0%

Tests at least two of these models have taken. Bold rows are the core tests.

This page as a chartDownload PNG