Noometry

Model comparison

Kimi K2.5 Instant vs Kimi K2.7 Code

Kimi K2.5 Instant and Kimi K2.7 Code score almost the same on the Noometry Index (43.6 vs 43.3), so choose on price, context window or the category you care about most.

Last verified . 1 shared benchmarks.

Kimi K2.5 Instant Moonshot AI

43.6

Rank #89 Confirmed

Kimi K2.7 Code Moonshot AI

43.3

Rank #94 Confirmed

Summary

  • They share 1 benchmark with published results for both. Kimi K2.5 Instant scores higher in 0 categories and Kimi K2.7 Code in 4 categories; 3 gaps are clear of the uncertainty.
  • The widest gap is in math, where Kimi K2.7 Code leads 52.9 to 39.4.

Side by side

Kimi K2.5 InstantKimi K2.7 Code
ProviderMoonshot AIMoonshot AI
Noometry Index43.643.3
Released—2026-06-12
WeightsOpenOpen
Context window—262K
Max output—262K
Input $ / M tokens—$0.95
Output $ / M tokens—$4
Results tracked1819

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Category by category

Coding Too close to call

Kimi K2.5 Instant: 42.6 (#97), Kimi K2.7 Code: 42.9 (#95)

BenchmarkKimi K2.5 InstantKimi K2.7 Code
LMArena WebDev14041473
DeepSWE—30.5%
FrontierCode—30.1%
SciCode—47.5%
WeirdML—54.1%
LMArena Coding1484—
ALE-Bench—886.23

Agentic & Tool Use Not comparable

Kimi K2.5 Instant: —, Kimi K2.7 Code: 24.0 (#122)

BenchmarkKimi K2.5 InstantKimi K2.7 Code
APEX-Agents—37.6%
GBAEval—0.9%
Vending-Bench 2—5,083

Reasoning Kimi K2.7 Code leads

Kimi K2.5 Instant: 29.7 (#90), Kimi K2.7 Code: 39.0 (#61)

BenchmarkKimi K2.5 InstantKimi K2.7 Code
SimpleBench—57.9%
CritPt—10%
Chess Puzzles—21%
LMArena Hard Prompts1443—
Surface Evolver Bench—48.8%
Epoch Capabilities Index—149.97

Math Kimi K2.7 Code leads

Kimi K2.5 Instant: 39.4 (#105), Kimi K2.7 Code: 52.9 (#48)

BenchmarkKimi K2.5 InstantKimi K2.7 Code
FrontierMath (Tiers 1-3)—54%
FrontierMath Tier 4—12.2%
OTIS Mock AIME 2024-2025—95.6%
LMArena Math1442—

Knowledge Kimi K2.7 Code leads

Kimi K2.5 Instant: 40.2 (#123), Kimi K2.7 Code: 53.5 (#57)

BenchmarkKimi K2.5 InstantKimi K2.7 Code
GPQA Diamond—87.9%
SimpleQA Verified—36.5%
LMArena Expert1440—

Multimodal Not comparable

Kimi K2.5 Instant: 40.2 (#50), Kimi K2.7 Code: —

BenchmarkKimi K2.5 InstantKimi K2.7 Code
LMArena Vision1254—

Multilingual Not comparable

Kimi K2.5 Instant: 52.0 (#94), Kimi K2.7 Code: —

BenchmarkKimi K2.5 InstantKimi K2.7 Code
LMArena Non-English1406—
LMArena Chinese1449—
LMArena French1403—
LMArena German1413—
LMArena Korean1378—
LMArena Russian1404—
LMArena Spanish1447—

Instruction Following Not comparable

Kimi K2.5 Instant: 75.3 (#65), Kimi K2.7 Code: —

BenchmarkKimi K2.5 InstantKimi K2.7 Code
LMArena Instruction Following1430—

Long Context Not comparable

Kimi K2.5 Instant: 43.9 (#83), Kimi K2.7 Code: —

BenchmarkKimi K2.5 InstantKimi K2.7 Code
LMArena Longer Query1435—

Writing & Preference Not comparable

Kimi K2.5 Instant: 60.6 (#95), Kimi K2.7 Code: —

BenchmarkKimi K2.5 InstantKimi K2.7 Code
LMArena Text1420—
LMArena Creative Writing1381—
LMArena Multi-Turn1427—

Frequently asked questions

Is Kimi K2.5 Instant better than Kimi K2.7 Code?

Kimi K2.5 Instant and Kimi K2.7 Code score almost the same on the Noometry Index (43.6 vs 43.3), so choose on price, context window or the category you care about most.

Is Kimi K2.5 Instant or Kimi K2.7 Code better for coding?

They score almost the same on coding (42.6 vs 42.9); test both on your own repository before choosing.

How many benchmarks do Kimi K2.5 Instant and Kimi K2.7 Code share?

1 benchmark has published results for both models. Kimi K2.5 Instant has 18 scored results on Noometry and Kimi K2.7 Code has 19.

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