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Kimi K2.5

open source

Moonshot AI model, released 27 Jan 2026.

$0.45
per 1M input tokens
$2.25
per 1M output tokens
$0.07
per 1M cached-read tokens
Calculate what your real prompts cost on Kimi K2.5

Price history

input $/1M output $/1M7 Jul 2026 → 31 Aug 2026

Specifications

Lab
Moonshot AI
Released
27 Jan 2026
Context window
262k tokens
Max output
236k tokens
Input modalities
text, image
Output modalities
text
Knowledge cutoff
—
Open source
Yes

Benchmarks

BenchmarkCategoryScoreAs of
LMArena (Chatbot Arena)coding1473.7 (1468.5–1479)13 Sept 2026
LMArena (Chatbot Arena)overall1445.6 (1442.3–1449)13 Sept 2026

LMArena (Chatbot Arena) data © their authors, CC-BY-4.0

Frequently asked questions

How much does Kimi K2.5 cost?

Kimi K2.5 costs $0.45 per 1M input tokens and $2.25 per 1M output tokens (list price, updated every 6 hours).

What is Kimi K2.5's context window?

Kimi K2.5 supports a 262k-token context window with up to 236k output tokens.

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