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Kimi K2.5 (Reasoning)

Moonshot AIProprietaryReasoningProvisionalReleased Jan 27, 2026
Compare with GLM-5.1Source scores ↗
Overall score
56.2
Rank 64 of 222 · 41.8–70.5
Context window
128K
128,000 tokens
Price per 1M tokens
$0.60 in · $3.00 out
Source: BenchLM
Blended price
$1.20
3:1 input:output tokens
Output speed
—
Not measured yet

Category scores

Scores per capability area with the model's rank among ranked models in that category.

  1. 1Knowledge80.3
  2. 2Multimodal#3469.0
  3. 3Reasoning66.3
  4. 4Coding64.9
  5. 5Agentic & tool use#7133.9
Higher is better. #N is the model's rank in that category, where it is eligible to be ranked.

Benchmark results (14)

As reported in system cards, papers and public evaluations. Position compares this model with every other model reporting the same benchmark.

Agentic & tool use

Gert Labs32.58#46 of 52
BrowseComp60.6#41 of 50
Terminal-Bench 2.050.8#28 of 39
OSWorld-Verified63.3#27 of 35

Multimodal

Design Arena Website1249#43 of 91
MMMU-Pro78.5#18 of 48
CharXiv77.5#33 of 42

Coding

SWE-bench Verified76.8#35 of 98
LiveCodeBench v685.0#15 of 46

Knowledge

GPQA87.6#37 of 117
MMLU-Pro87.1#7 of 67

Math

AIME 202596.1#4 of 38
HMMT Feb 202595.4#4 of 13

Reasoning

LongBench v261.0#8 of 17

Pricing by source

USD per 1M tokens.

SourceInputOutputCached in
List price (BenchLM)$0.60$3.00—

Last published rate. Moonshot's Kimi API platform listed K2.5 at $0.60 input / $3.00 output per million tokens; Moonshot said K2.5 supports both thinking and non-thinking modes under the same model family. Moonshot's chat and Batch pricing pages, read September 25, 2026, no longer list it.

Speed

Measured by us through OpenRouter (median of trials).

Not available on OpenRouter, so we cannot measure it yet.

Related models

Same family

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