Noometry

Model comparison

AI Co-Mathematician vs Gemini 3.8 Flash

Gemini 3.8 Flash has enough public results to be ranked (#13); 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

Gemini 3.8 Flash Google

59.5

Rank #13 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 71.7 to 65.2.
  • 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-MathematicianGemini 3.8 Flash
ProviderGoogleGoogle
Noometry Index57.659.5
Released2026-05-082026-09-02
WeightsProprietaryProprietary
Context window—1.05M
Max output—66K
Input $ / M tokens—$0.75
Output $ / M tokens—$3.75
Results tracked246

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Category by category

Coding Not comparable

AI Co-Mathematician: —, Gemini 3.8 Flash: 56.4 (#17)

BenchmarkAI Co-MathematicianGemini 3.8 Flash
DeepSWE—73.8%
FrontierCode—41.2%
CursorBench—39.6%
LMArena WebDev—1581
FrontierSWE—19.6%
SciCode—56.6%
LMArena Coding—1512
ALE-Bench—1,270

Agentic & Tool Use Not comparable

AI Co-Mathematician: —, Gemini 3.8 Flash: 40.3 (#22)

BenchmarkAI Co-MathematicianGemini 3.8 Flash
APEX-Agents—64.3%
GDP.pdf—23.4%
Vending-Bench 2—5,094

Reasoning Not comparable

AI Co-Mathematician: —, Gemini 3.8 Flash: 64.7 (#13)

BenchmarkAI Co-MathematicianGemini 3.8 Flash
NYT Connections (extended)—97.4%
CritPt—18.3%
Chess Puzzles—61%
LMArena Hard Prompts—1506
Mystery Game Puzzles—47%
DTBench—95.7%
LMCA—52.9%
Surface Evolver Bench—76.9%
Epoch Capabilities Index—157.13

Math AI Co-Mathematician leads

AI Co-Mathematician: 71.7, Gemini 3.8 Flash: 65.2 (#22)

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: 74.9 (#2)

BenchmarkAI Co-MathematicianGemini 3.8 Flash
GPQA Diamond—95.4%
Humanity's Last Exam—44.5%
SimpleQA Verified—69.7%
LMArena Expert—1529

Multimodal Not comparable

AI Co-Mathematician: —, Gemini 3.8 Flash: 40.9 (#33)

BenchmarkAI Co-MathematicianGemini 3.8 Flash
LMArena Vision—1312
Blueprint-Bench 2—38.6%
Furniture Assembly—31.7%

Multilingual Not comparable

AI Co-Mathematician: —, Gemini 3.8 Flash: 57.9 (#5)

BenchmarkAI Co-MathematicianGemini 3.8 Flash
LMArena Non-English—1486
LMArena Chinese—1547
LMArena French—1502
LMArena German—1470
LMArena Japanese—1505
LMArena Korean—1479
LMArena Russian—1507
LMArena Spanish—1492

Instruction Following Not comparable

AI Co-Mathematician: —, Gemini 3.8 Flash: 78.2 (#11)

BenchmarkAI Co-MathematicianGemini 3.8 Flash
LMArena Instruction Following—1489

Long Context Not comparable

AI Co-Mathematician: —, Gemini 3.8 Flash: 46.2 (#23)

BenchmarkAI Co-MathematicianGemini 3.8 Flash
LMArena Longer Query—1506

Writing & Preference Not comparable

AI Co-Mathematician: —, Gemini 3.8 Flash: 72.1 (#16)

BenchmarkAI Co-MathematicianGemini 3.8 Flash
LMArena Text—1494
LMArena Creative Writing—1485
EQ-Bench Creative Writing—1748
LMArena Multi-Turn—1503

Frequently asked questions

Is AI Co-Mathematician better than Gemini 3.8 Flash?

Gemini 3.8 Flash has enough public results to be ranked (#13); 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 46.

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