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Moonshot AI · Active

kimi-k2-0905-preview

kimi-k2 family · launched 2025-09-05

ToolsStructuredOpen weights
AITopic score31.4Not yet ranked

September 2025 Kimi K2 instruction update with a 256K context and improved agentic coding

Evidence coverage3%1 evaluations · 1 institutions
Context / maximum output262.1k / 98.3ktokens
Cache / input / output— · $1.38 · $4.13USD per million tokens
Value / freshness30.7 / 42relative value · release freshness
Product profile

What this model supports

Inputtext
Outputtext
Knowledge cutoff2024-12-31
WeightsOpen weights
Capability profile

Strengths by domain

Coding—0 public results
Research & reasoning—0 public results
Professional work—0 public results
Knowledge & instruction—0 public results
Behind the score

Every result has a source

Raw results and standardized readings are shown together. Missing tests add neither points nor penalties.

Human preference & indices2 results

AA IndexArtificial Analysis57.99 indexReading 31.4

Imported from a directly fetched third-party leaderboard.

Configuration: kimi-k2-0905-previewOpen evidence
Arena TextLMArena1,380.0 EloReading 31.4

Direct LMArena text leaderboard result.

Open evidence
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