Model comparison

AI Co-Mathematician vs Gemini 3.8 Flash

Gemini 3.8 Flash has enough public results to be ranked (#11); 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

Gemini 3.8 Flash Google

61.8

Rank #11 Confirmed

Summary

  • They share 1 benchmark with published results for both. AI Co-Mathematician scores higher in 1 category and Gemini 3.8 Flash in 0 categories; one gap is clear of the uncertainty.
  • The widest gap is in math, where AI Co-Mathematician leads 72.3 to 65.3.
  • The biggest single-benchmark swing is FrontierMath Tier 4: 75.6% for AI Co-Mathematician and 22% for Gemini 3.8 Flash.

Side by side

AI Co-Mathematician and Gemini 3.8 Flash specifications
AI Co-MathematicianGemini 3.8 Flash
ProviderGoogleGoogle
Noometry Index58.161.8
Released2026-05-082026-09-02
WeightsProprietaryProprietary
Context window—1.05M
Max output—66K
Input $ / M tokens—$0.75
Output $ / M tokens—$3.75
Results tracked250

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding Not comparable

AI Co-Mathematician: —, Gemini 3.8 Flash: 59.2 (#15)

Coding benchmarks
BenchmarkAI Co-MathematicianGemini 3.8 Flash
DeepSWE—73.8%
FrontierCode—41.2%
CursorBench—39.6%
LMArena WebDev—1584
FrontierSWE—19.6%
SciCode—56.6%
WeirdML—84.8%
LMArena Coding—1510
ALE-Bench—1,270

Agentic & Tool Use Not comparable

AI Co-Mathematician: —, Gemini 3.8 Flash: 41.8 (#21)

Agentic & Tool Use benchmarks
BenchmarkAI Co-MathematicianGemini 3.8 Flash
APEX-Agents—64.3%
Remote Labor Index—5.8%
GDP.pdf—23.4%
Vending-Bench 2—5,094

Reasoning Not comparable

AI Co-Mathematician: —, Gemini 3.8 Flash: 76.9 (#5)

Reasoning benchmarks
BenchmarkAI Co-MathematicianGemini 3.8 Flash
ARC-AGI-2—89.2%
NYT Connections (extended)—97.4%
ARC-AGI-1—98.5%
CritPt—18.3%
Chess Puzzles—61%
LMArena Hard Prompts—1508
Mystery Game Puzzles—47%
DTBench—95.7%
LMCA—52.9%
Surface Evolver Bench—76.9%
Epoch Capabilities Index—156.71

Math AI Co-Mathematician leads

AI Co-Mathematician: 72.3, Gemini 3.8 Flash: 65.3 (#28)

Math benchmarks
BenchmarkAI Co-MathematicianGemini 3.8 Flash
FrontierMath Tier 475.6%22%
FrontierMath (Tiers 1-3)—68.4%
OTIS Mock AIME 2024-2025—98.9%
ProofBench—48%
LMArena Math—1528
FrontierMath Tier 4 (v1)47.9%—

Knowledge Not comparable

AI Co-Mathematician: —, Gemini 3.8 Flash: 74.8 (#2)

Knowledge benchmarks
BenchmarkAI Co-MathematicianGemini 3.8 Flash
GPQA Diamond—95.4%
Humanity's Last Exam—44.5%
SimpleQA Verified—69.7%
LMArena Expert—1524

Multimodal Not comparable

AI Co-Mathematician: —, Gemini 3.8 Flash: 40.7 (#45)

Multimodal benchmarks
BenchmarkAI Co-MathematicianGemini 3.8 Flash
LMArena Vision—1314
Blueprint-Bench 2—38.6%
Furniture Assembly—31.7%

Multilingual Not comparable

AI Co-Mathematician: —, Gemini 3.8 Flash: 58.0 (#5)

Multilingual benchmarks
BenchmarkAI Co-MathematicianGemini 3.8 Flash
LMArena Non-English—1491
LMArena Chinese—1554
LMArena French—1498
LMArena German—1493
LMArena Japanese—1502
LMArena Korean—1459
LMArena Russian—1515
LMArena Spanish—1485

Instruction Following Not comparable

AI Co-Mathematician: —, Gemini 3.8 Flash: 78.0 (#13)

Instruction Following benchmarks
BenchmarkAI Co-MathematicianGemini 3.8 Flash
LMArena Instruction Following—1490

Long Context Not comparable

AI Co-Mathematician: —, Gemini 3.8 Flash: 46.3 (#24)

Long Context benchmarks
BenchmarkAI Co-MathematicianGemini 3.8 Flash
LMArena Longer Query—1508

Writing & Preference Not comparable

AI Co-Mathematician: —, Gemini 3.8 Flash: 72.2 (#15)

Writing & Preference benchmarks
BenchmarkAI Co-MathematicianGemini 3.8 Flash
LMArena Text—1499
LMArena Creative Writing—1492
EQ-Bench Creative Writing—1748
LMArena Multi-Turn—1501

Frequently asked questions

Is AI Co-Mathematician better than Gemini 3.8 Flash?

Gemini 3.8 Flash has enough public results to be ranked (#11); AI Co-Mathematician does not yet, so treat this comparison as directional.

How many benchmarks do AI Co-Mathematician and Gemini 3.8 Flash share?

1 benchmark has published results for both models. AI Co-Mathematician has 2 scored results on Noometry and Gemini 3.8 Flash has 50.

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