Noometry

Model comparison

AI Co-Mathematician vs o3

o3 has enough public results to be ranked (#61); AI Co-Mathematician does not yet, so treat this comparison as directional.

Last verified . 1 shared benchmarks.

AI Co-Mathematician Google

58.1

Unranked Sparse

o3 OpenAI

47.5

Rank #61 Confirmed

Summary

  • They share 1 benchmark with published results for both. AI Co-Mathematician scores higher in 1 category and o3 in 0 categories; one gap is clear of the uncertainty.
  • The widest gap is in math, where AI Co-Mathematician leads 72.3 to 50.2.

Side by side

AI Co-Mathematiciano3
ProviderGoogleOpenAI
Noometry Index58.147.5
Released2026-05-082025-04-16
WeightsProprietaryProprietary
Context window—200K
Max output—100K
Input $ / M tokens—$2
Output $ / M tokens—$8
Results tracked263

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Category by category

Coding Not comparable

AI Co-Mathematician: —, o3: 46.8 (#64)

BenchmarkAI Co-Mathematiciano3
SWE-bench Verified—62.3%
SWE-bench Verified (bash only)—58.4%
Aider Polyglot—81.3%
GSO—8.8%
WeirdML—52.4%
LMArena Coding—1408
CadEval—74%
ALE-Bench—933.55

Agentic & Tool Use Not comparable

AI Co-Mathematician: —, o3: 34.5 (#44)

BenchmarkAI Co-Mathematiciano3
Berkeley Function Calling Leaderboard—63%
GDPval—30.8%
DeepResearch Bench—45.2%
OSWorld—23%
LMArena Search—1144
METR Time Horizons—65.4%

Reasoning Not comparable

AI Co-Mathematician: —, o3: 32.0 (#78)

BenchmarkAI Co-Mathematiciano3
ARC-AGI-2—6.5%
SimpleBench—53.1%
Kagi LLM Benchmark—67.6%
ARC-AGI-1—60.8%
CritPt—1.4%
Chess Puzzles—38%
EnigmaEval—13.1%
LMArena Hard Prompts—1402
Mystery Game Puzzles—29%
DTBench—84.8%
LMCA—39.7%
Epoch Capabilities Index—146.86
ForecastBench—62.5

Math AI Co-Mathematician leads

AI Co-Mathematician: 72.3, o3: 50.2 (#58)

BenchmarkAI Co-Mathematiciano3
FrontierMath Tier 4 (v1)47.9%2.1%
FrontierMath (Tiers 1-3)—33.3%
FrontierMath Tier 475.6%—
OTIS Mock AIME 2024-2025—84.4%
Omni-MATH—71.4%
LMArena Math—1426
MATH Level 5—97.8%
FrontierMath (Feb 2025 set)—18.7%

Knowledge Not comparable

AI Co-Mathematician: —, o3: 54.6 (#52)

BenchmarkAI Co-Mathematiciano3
GPQA Diamond—81.8%
Humanity's Last Exam—20.3%
SimpleQA Verified—49.4%
MMLU-Pro—85.9%
Confabulations—14.4%
GPQA (HELM)—75.3%
LMArena Expert—1402

Multimodal Not comparable

AI Co-Mathematician: —, o3: 41.4 (#36)

BenchmarkAI Co-Mathematiciano3
LMArena Vision—1214
GeoBench—74%
VPCT—52%

Multilingual Not comparable

AI Co-Mathematician: —, o3: 51.7 (#105)

BenchmarkAI Co-Mathematiciano3
LMArena Non-English—1401
LMArena Chinese—1437
LMArena French—1430
LMArena German—1420
LMArena Japanese—1403
LMArena Korean—1370
LMArena Russian—1406
LMArena Spanish—1395

Instruction Following Not comparable

AI Co-Mathematician: —, o3: 72.8 (#127)

BenchmarkAI Co-Mathematiciano3
IFEval—86.9%
LMArena Instruction Following—1368

Long Context Not comparable

AI Co-Mathematician: —, o3: 53.3 (#6)

BenchmarkAI Co-Mathematiciano3
Fiction.LiveBench—88.9%
CL-bench—17.8%
LMArena Longer Query—1372

Writing & Preference Not comparable

AI Co-Mathematician: —, o3: 63.5 (#64)

BenchmarkAI Co-Mathematiciano3
LMArena Text—1410
LMArena Creative Writing—1359
Short-Story Creative Writing—83.9%
EQ-Bench Creative Writing—1676
WildBench—86.1%
LMArena Multi-Turn—1405

Frequently asked questions

Is AI Co-Mathematician better than o3?

o3 has enough public results to be ranked (#61); AI Co-Mathematician does not yet, so treat this comparison as directional.

How many benchmarks do AI Co-Mathematician and o3 share?

1 benchmark has published results for both models. AI Co-Mathematician has 2 scored results on Noometry and o3 has 63.

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