Thoughts on AI, technology, and the future we're building.

New posts every week

HomeAll PostsAI NewsAI Basics
Timelines
ChatGPTOpenAI release historyAnthropic ClaudeClaude release historyGoogle GeminiGemini release history
Benchmarks
OverviewFull model trackerValue RankingsPerformance for the moneyCoding RankingsSWE-bench and code signalsAgent RankingsTool and workflow signalsReasoning RankingsKnowledge and reasoningLong ContextDocument and retrieval signalsLab ComparisonsProvider-level rankings
CategoriesAboutContact

Subscribe to Newsletter

Practical AI news, tips, tricks, tool analysis, sent straight to your inbox.

No spam. Unsubscribe anytime.

Practical explainers, tool notes, and systems thinking for people turning new AI capability into useful work.

Explore

  • All Posts
  • Categories
  • About
  • Contact

Categories

  • AI News
  • AI Basics
  • ChatGPT
  • Anthropic
  • AI Tools
  • AI Video
  • AI Images
  • Courses

Connect

LinkedInTwitterRSS

© 2026. All rights reserved.

Benchmark suiteUpdated May 27, 2026

Kimi K2.5 Instant.

A model-level benchmark profile for Kimi K2.5 Instant, combining Arena category ranks, suite indexes, commercial price and speed data, SWE-bench status, and lab context.

Moonshot AI lab page

Lab

Moonshot AI

Open weights

Coverage

33%

3 of 9 tracked signals

Best Arena rank

#30

WebDev Arena

Best suite

#26

Coding / 67

OverviewFull public trackerValuePerformance for the moneyCodingCode and SWE-bench signalsAgentsTool and workflow readinessReasoningKnowledge and reasoning signalsContextDocument and retrieval signalsLabsProvider comparisons

Model profile

Benchmark signal map.

This view treats missing values as coverage gaps, then puts every available score, rank, cost, and speed signal into the same visual hierarchy.

Analyst view

Kimi K2.5 Instant is strongest on coding.

33% coverage

Its best composite result is rank #26 in the coding view, with a 67 coding index. The strongest raw Arena signal is WebDev Arena at rank #30 with 3,612 public votes.

Best current lane

Coding

#26 / 67 coding index

Strongest raw signal

Code

#30, 1408 score

Commercial posture

No price match

Artificial Analysis row not matched

Coverage gaps

Search ArenaDocument ArenaBlended priceLatencyOutput speedSWE-bench

Profile completeness

3 of 9 signals matched

33%

Arena categories

3/5

Code, Vision, Text

Commercial match

Missing

No Artificial Analysis match

SWE-bench

Not listed

No confident software benchmark row

Raw identifier

kimi-k2.5-instant

Open weights

Performance cockpit

Public benchmark scores

Arena rows show score, public rank, confidence interval, vote count, and publish date. Missing rows stay visible as coverage gaps.

Text Arena

Arena category

1,432#66

1425-1439 CI

8,197 votes

May 27, 2026

Arena public leaderboard dataset

WebDev Arena

Arena category

1,408#30

1397-1419 CI

3,612 votes

May 25, 2026

Arena public leaderboard dataset

Vision Arena

Arena category

1,239#32

1228-1250 CI

3,898 votes

May 18, 2026

Arena public leaderboard dataset

Search Arena

Arena category

Not listed

No confident public Arena row for this category.

Coverage gap

Document Arena

Arena category

Not listed

No confident public Arena row for this category.

Coverage gap

SWE-bench Verified

Software issue resolution

Not listed

No confident SWE-bench row matched to this model.

Coverage gap

Cost and speed

Commercial profile

Price, latency, and throughput are only shown when a confident commercial source row is matched.

Blended price

Not listed

USD / 1M tokens

Input price

Not listed

USD / 1M input tokens

Output price

Not listed

USD / 1M output tokens

Latency

Not listed

Median time to first token

Output speed

Not listed

Median generation speed

Matched source row

Not listed

Suite position

Composite ranks by benchmark lens.

These views combine available public signals into purpose-specific indexes. A missing card means the model lacks enough source coverage for that lens.

Value

Quality, price, latency, and output speed

Not listed

Not enough matched source rows for this composite view.

Coding

Code Arena, SWE-bench, and output speed

#2667

coding index

Code Arena rank #301,408
No confident matchNot listed
output speedNot listed

Agents

Search, documents, code, and latency

#8867

agent proxy

Search ArenaNot listed
Docs ArenaNot listed
latencyNot listed

Reasoning

Text, documents, vision, and mode signal

#7839

reasoning proxy

Text Arena rank #661,432
Docs ArenaNot listed
Vision Arena rank #321,239

Long context

Document, search, and text benchmark proxy

#8723

context proxy

Docs ArenaNot listed
Search ArenaNot listed
Text Arena rank #661,432

Lab context

Nearby Moonshot AI profiles.

Same-lab models make it easier to see whether this profile is a flagship, value play, specialist, or lower-coverage row.

Full lab

Kimi K2.6

kimi-k2.6

Open weights

Best rank

#8

Coverage

67%

Kimi K2.5 Thinking

kimi-k2.5-thinking

Open weights

Best rank

#24

Coverage

78%

Kimi K2 Thinking Turbo

kimi-k2-thinking-turbo

Open weights

Best rank

#59

Coverage

22%

Kimi K2 0905 Preview

kimi-k2-0905-preview

Open weights

Best rank

#83

Coverage

44%

Kimi K2 0711 Preview

kimi-k2-0711-preview

Open weights

Best rank

#86

Coverage

11%