Noometry

Model comparison

AI Co-Mathematician vs Kimi K2.6

Kimi K2.6 has enough public results to be ranked (#60); 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

Kimi K2.6 Moonshot AI

47.7

Rank #60 Confirmed

Summary

  • They share 2 benchmarks with published results for both. AI Co-Mathematician scores higher in 1 category and Kimi K2.6 in 0 categories; one gap is clear of the uncertainty.
  • The widest gap is in math, where AI Co-Mathematician leads 72.3 to 57.0.
  • The biggest single-benchmark swing is FrontierMath Tier 4: 75.6% for AI Co-Mathematician and 25.6% for Kimi K2.6.
  • Kimi K2.6 has downloadable open weights; the other is API-only.

Side by side

AI Co-MathematicianKimi K2.6
ProviderGoogleMoonshot AI
Noometry Index58.147.7
Released2026-05-082026-04-20
WeightsProprietaryOpen
Context window—262K
Max output—262K
Input $ / M tokens—$0.95
Output $ / M tokens—$4
Results tracked251

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

Category by category

Coding Not comparable

AI Co-Mathematician: —, Kimi K2.6: 50.7 (#43)

BenchmarkAI Co-MathematicianKimi K2.6
SWE-bench Verified—76.7%
LMArena WebDev—1509
SciCode—53.5%
WeirdML—55.9%
LMArena Coding—1488
ALE-Bench—1,093

Agentic & Tool Use Not comparable

AI Co-Mathematician: —, Kimi K2.6: 21.9 (#137)

BenchmarkAI Co-MathematicianKimi K2.6
OSWorld 2.0—4.6%
ExploitBench—18.4%
GBAEval—0.9%
GDP.pdf—12%
Vending-Bench 2—6,205

Reasoning Not comparable

AI Co-Mathematician: —, Kimi K2.6: 40.5 (#55)

BenchmarkAI Co-MathematicianKimi K2.6
NYT Connections (extended)—87.2%
CritPt—8%
Chess Puzzles—26%
EBR-Bench—2.4%
LMArena Hard Prompts—1470
Mystery Game Puzzles—18%
DTBench—90.9%
LMCA—37.3%
Epoch Capabilities Index—151.05

Math AI Co-Mathematician leads

AI Co-Mathematician: 72.3, Kimi K2.6: 57.0 (#41)

BenchmarkAI Co-MathematicianKimi K2.6
FrontierMath Tier 475.6%25.6%
FrontierMath Tier 4 (v1)47.9%14.6%
FrontierMath (Tiers 1-3)—57.2%
MathArena Final-Answer Competitions—72.9%
OTIS Mock AIME 2024-2025—96.1%
ProofBench—16%
LMArena Math—1475
FrontierMath (Feb 2025 set)—39%

Knowledge Not comparable

AI Co-Mathematician: —, Kimi K2.6: 54.0 (#54)

BenchmarkAI Co-MathematicianKimi K2.6
GPQA Diamond—90.8%
SimpleQA Verified—34.9%
Vectara Hallucination Rate—10.8%
LMArena Expert—1491

Multimodal Not comparable

AI Co-Mathematician: —, Kimi K2.6: 31.6 (#103)

BenchmarkAI Co-MathematicianKimi K2.6
LMArena Vision—1283
Blueprint-Bench 2—3.9%
Furniture Assembly—21.7%
LMArena Document—1451

Multilingual Not comparable

AI Co-Mathematician: —, Kimi K2.6: 54.9 (#37)

BenchmarkAI Co-MathematicianKimi K2.6
LMArena Non-English—1446
LMArena Chinese—1521
LMArena French—1471
LMArena German—1450
LMArena Japanese—1443
LMArena Korean—1427
LMArena Russian—1446
LMArena Spanish—1464

Instruction Following Not comparable

AI Co-Mathematician: —, Kimi K2.6: 76.3 (#43)

BenchmarkAI Co-MathematicianKimi K2.6
LMArena Instruction Following—1451

Long Context Not comparable

AI Co-Mathematician: —, Kimi K2.6: 44.9 (#52)

BenchmarkAI Co-MathematicianKimi K2.6
LMArena Longer Query—1468

Writing & Preference Not comparable

AI Co-Mathematician: —, Kimi K2.6: 68.5 (#26)

BenchmarkAI Co-MathematicianKimi K2.6
LMArena Text—1455
LMArena Creative Writing—1434
EQ-Bench Creative Writing—1725
EQ-Bench 4—1202
LMArena Multi-Turn—1453

Frequently asked questions

Is AI Co-Mathematician better than Kimi K2.6?

Kimi K2.6 has enough public results to be ranked (#60); AI Co-Mathematician does not yet, so treat this comparison as directional.

How many benchmarks do AI Co-Mathematician and Kimi K2.6 share?

2 benchmarks have published results for both models. AI Co-Mathematician has 2 scored results on Noometry and Kimi K2.6 has 51.

Related comparisons

Go deeper