Noometry

Model comparison

AI Co-Mathematician vs Claude Sonnet 4.6

Claude Sonnet 4.6 has enough public results to be ranked (#42); AI Co-Mathematician does not yet, so treat this comparison as directional.

Last verified . 1 shared benchmarks.

AI Co-Mathematician Google

57.6

Unranked Sparse

Claude Sonnet 4.6 Anthropic

50.1

Rank #42 Confirmed

Summary

  • They share 1 benchmark with published results for both. AI Co-Mathematician scores higher in 1 category and Claude Sonnet 4.6 in 0 categories; one gap is clear of the uncertainty.
  • The widest gap is in math, where AI Co-Mathematician leads 71.7 to 51.9.

Side by side

AI Co-MathematicianClaude Sonnet 4.6
ProviderGoogleAnthropic
Noometry Index57.650.1
Released2026-05-082026-02-17
WeightsProprietaryProprietary
Context window—1M
Max output—128K
Input $ / M tokens—$3
Output $ / M tokens—$15
Results tracked257

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Category by category

Coding Not comparable

AI Co-Mathematician: —, Claude Sonnet 4.6: 46.0 (#62)

BenchmarkAI Co-MathematicianClaude Sonnet 4.6
SWE-bench Verified—75.2%
DeepSWE—29.9%
FrontierCode—24.3%
LMArena WebDev—1521
SciCode—46.8%
WeirdML—66.1%
LMArena Coding—1504
ALE-Bench—1,327

Agentic & Tool Use Not comparable

AI Co-Mathematician: —, Claude Sonnet 4.6: 39.1 (#26)

BenchmarkAI Co-MathematicianClaude Sonnet 4.6
Terminal-Bench—53.4%
APEX-Agents—43%
OSWorld 2.0—9.3%
DeepResearch Bench—54.9%
OSWorld—72.1%
ExploitBench—23.6%
GBAEval—48.8%
GDP.pdf—18%
LMArena Search—1221
Vending-Bench 2—7,204

Reasoning Not comparable

AI Co-Mathematician: —, Claude Sonnet 4.6: 46.1 (#40)

BenchmarkAI Co-MathematicianClaude Sonnet 4.6
ARC-AGI-2—60.4%
NYT Connections (extended)—80.9%
ARC-AGI-1—86.5%
CritPt—3.1%
Chess Puzzles—13%
Thematic Generalization—76.3%
LMArena Hard Prompts—1485
Mystery Game Puzzles—16%
DTBench—89.9%
LMCA—46.5%
Epoch Capabilities Index—152.25
ForecastBench—62

Math AI Co-Mathematician leads

AI Co-Mathematician: 71.7, Claude Sonnet 4.6: 51.9 (#41)

BenchmarkAI Co-MathematicianClaude Sonnet 4.6
FrontierMath Tier 4 (v1)47.9%8.3%
FrontierMath Tier 475.6%—
OTIS Mock AIME 2024-2025—85.8%
ProofBench—45%
LMArena Math—1463
FrontierMath (Feb 2025 set)—32.4%

Knowledge Not comparable

AI Co-Mathematician: —, Claude Sonnet 4.6: 51.6 (#60)

BenchmarkAI Co-MathematicianClaude Sonnet 4.6
GPQA Diamond—87.4%
SimpleQA Verified—35.5%
Vectara Hallucination Rate—10.6%
LMArena Expert—1500

Multimodal Not comparable

AI Co-Mathematician: —, Claude Sonnet 4.6: 38.0 (#61)

BenchmarkAI Co-MathematicianClaude Sonnet 4.6
LMArena Vision—1283
Blueprint-Bench 2—6.7%
LMArena Document—1482

Multilingual Not comparable

AI Co-Mathematician: —, Claude Sonnet 4.6: 54.6 (#39)

BenchmarkAI Co-MathematicianClaude Sonnet 4.6
LMArena Non-English—1440
LMArena Chinese—1491
LMArena French—1465
LMArena German—1428
LMArena Japanese—1419
LMArena Korean—1411
LMArena Russian—1440
LMArena Spanish—1465

Instruction Following Not comparable

AI Co-Mathematician: —, Claude Sonnet 4.6: 77.6 (#23)

BenchmarkAI Co-MathematicianClaude Sonnet 4.6
LMArena Instruction Following—1476

Long Context Not comparable

AI Co-Mathematician: —, Claude Sonnet 4.6: 45.3 (#40)

BenchmarkAI Co-MathematicianClaude Sonnet 4.6
LMArena Longer Query—1479

Writing & Preference Not comparable

AI Co-Mathematician: —, Claude Sonnet 4.6: 70.4 (#22)

BenchmarkAI Co-MathematicianClaude Sonnet 4.6
LMArena Text—1458
LMArena Creative Writing—1435
EQ-Bench Creative Writing—1810
EQ-Bench 4—1207
LMArena Multi-Turn—1464

Frequently asked questions

Is AI Co-Mathematician better than Claude Sonnet 4.6?

Claude Sonnet 4.6 has enough public results to be ranked (#42); AI Co-Mathematician does not yet, so treat this comparison as directional.

How many benchmarks do AI Co-Mathematician and Claude Sonnet 4.6 share?

1 benchmark has published results for both models. AI Co-Mathematician has 2 scored results on Noometry and Claude Sonnet 4.6 has 57.

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