Model comparison

AI Co-Mathematician vs Gemini 3 Flash Preview

Gemini 3 Flash Preview has enough public results to be ranked (#40); AI Co-Mathematician does not yet, so treat this comparison as directional.

Last verified . 2 shared benchmarks.

AI Co-Mathematician Google

58.1

Unranked Sparse

Gemini 3 Flash Preview Google

52.3

Rank #40 Confirmed

Summary

  • They share 2 benchmarks with published results for both. AI Co-Mathematician scores higher in 1 category and Gemini 3 Flash Preview in 0 categories; one gap is clear of the uncertainty.
  • The widest gap is in math, where AI Co-Mathematician leads 72.3 to 51.7.
  • The biggest single-benchmark swing is FrontierMath Tier 4: 75.6% for AI Co-Mathematician and 17.1% for Gemini 3 Flash Preview.

Side by side

AI Co-Mathematician and Gemini 3 Flash Preview specifications
AI Co-MathematicianGemini 3 Flash Preview
ProviderGoogleGoogle
Noometry Index58.152.3
Released2026-05-082025-12-17
WeightsProprietaryProprietary
Context window—1.05M
Max output—66K
Input $ / M tokens—$0.50
Output $ / M tokens—$3
Results tracked259

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

Category by category

Coding Not comparable

AI Co-Mathematician: —, Gemini 3 Flash Preview: 50.9 (#42)

Coding benchmarks
BenchmarkAI Co-MathematicianGemini 3 Flash Preview
SWE-bench Verified—75.4%
SWE-bench Verified (bash only)—75.8%
LMArena WebDev—1439
SWE-bench Multilingual—72.7%
GSO—9.8%
WeirdML—61.6%
LMArena Coding—1460
ALE-Bench—1,367

Agentic & Tool Use Not comparable

AI Co-Mathematician: —, Gemini 3 Flash Preview: 38.7 (#29)

Agentic & Tool Use benchmarks
BenchmarkAI Co-MathematicianGemini 3 Flash Preview
Terminal-Bench—64.3%
τ²-bench Airline—82.5%
τ²-bench Banking—27.3%
τ²-bench Retail—76.8%
τ²-bench Telecom—91.2%
DeepResearch Bench—49.8%
BALROG—48.1%
GDP.pdf—10%
LMArena Search—1198
Vending-Bench 2—3,635

Reasoning Not comparable

AI Co-Mathematician: —, Gemini 3 Flash Preview: 49.2 (#37)

Reasoning benchmarks
BenchmarkAI Co-MathematicianGemini 3 Flash Preview
ARC-AGI-2—33.6%
SimpleBench—61.1%
NYT Connections (extended)—83.1%
ARC-AGI-1—84.7%
Chess Puzzles—40%
LMArena Hard Prompts—1465
Mystery Game Puzzles—26%
DTBench—89.1%
LMCA—43.1%
Epoch Capabilities Index—151.8
ForecastBench—58.5

Math AI Co-Mathematician leads

AI Co-Mathematician: 72.3, Gemini 3 Flash Preview: 51.7 (#55)

Math benchmarks
BenchmarkAI Co-MathematicianGemini 3 Flash Preview
FrontierMath Tier 475.6%17.1%
FrontierMath Tier 4 (v1)47.9%4.2%
FrontierMath (Tiers 1-3)—51.2%
MathArena Final-Answer Competitions—67.6%
OTIS Mock AIME 2024-2025—95.6%
ProofBench—15%
LMArena Math—1473
FrontierMath (Feb 2025 set)—35.6%

Knowledge Not comparable

AI Co-Mathematician: —, Gemini 3 Flash Preview: 58.8 (#33)

Knowledge benchmarks
BenchmarkAI Co-MathematicianGemini 3 Flash Preview
GPQA Diamond—89.4%
SimpleQA Verified—66.8%
Vectara Hallucination Rate—13.5%
LMArena Expert—1462

Multimodal Not comparable

AI Co-Mathematician: —, Gemini 3 Flash Preview: 45.5 (#16)

Multimodal benchmarks
BenchmarkAI Co-MathematicianGemini 3 Flash Preview
LMArena Vision—1285
GeoBench—88%
VPCT—72.6%
Blueprint-Bench 2—0%
LMArena Document—1413

Multilingual Not comparable

AI Co-Mathematician: —, Gemini 3 Flash Preview: 55.7 (#27)

Multilingual benchmarks
BenchmarkAI Co-MathematicianGemini 3 Flash Preview
LMArena Non-English—1458
LMArena Chinese—1511
LMArena French—1477
LMArena German—1497
LMArena Japanese—1489
LMArena Korean—1443
LMArena Russian—1480
LMArena Spanish—1469

Instruction Following Not comparable

AI Co-Mathematician: —, Gemini 3 Flash Preview: 75.7 (#56)

Instruction Following benchmarks
BenchmarkAI Co-MathematicianGemini 3 Flash Preview
LMArena Instruction Following—1437

Long Context Not comparable

AI Co-Mathematician: —, Gemini 3 Flash Preview: 44.4 (#67)

Long Context benchmarks
BenchmarkAI Co-MathematicianGemini 3 Flash Preview
LMArena Longer Query—1452

Writing & Preference Not comparable

AI Co-Mathematician: —, Gemini 3 Flash Preview: 65.5 (#45)

Writing & Preference benchmarks
BenchmarkAI Co-MathematicianGemini 3 Flash Preview
LMArena Text—1466
LMArena Creative Writing—1457
LMArena Multi-Turn—1471

Frequently asked questions

Is AI Co-Mathematician better than Gemini 3 Flash Preview?

Gemini 3 Flash Preview has enough public results to be ranked (#40); AI Co-Mathematician does not yet, so treat this comparison as directional.

How many benchmarks do AI Co-Mathematician and Gemini 3 Flash Preview share?

2 benchmarks have published results for both models. AI Co-Mathematician has 2 scored results on Noometry and Gemini 3 Flash Preview has 59.

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