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Kimi K2.5

Moonshot AI · Released Jan 27, 2026 · Open weights

Earlier Kimi frontier model for long-context agents, coding, and multimodal work

Strongest at
Writing
Top 27% of the past year's models · 2 of 4 benchmarks
Price per 1M tokens
$0.5 / $2.5
input / output · OpenRouter
Context window
262.1K
tokens in · 262.1K out
Since the last one
200 days
after Kimi K2 0711
Lab post ↗Open in the timeline

Capability profile

Scored against 90 models released in the past year. 50 is the average model; further out is better.

This modelKimi K2 0711Median of the past year
5090Median of the past yearCoding: 54 · Better than 44%Writing: 62 · Top 27%Reasoning: 46 · Better than 19%Science: 53 · Better than 13%Kimi K2 0711: 45CodingWritingReasoningScience
Coding54Better than 44% · 1 test
Writing62Top 27%
Reasoning46Better than 19%
Science53+8.4Better than 13%

No results yet: Reading & documents, Math, Visual reasoning, Computer use

Where these scores come from

Each capability combines the published benchmarks listed here, rescaled so 50 is the reference average and 15 points is one standard deviation. A hollow dot rests on a single benchmark.

Price against capability

The shaded corner holds anything better and cheaper. Prices blend input and output 3 to 1.

Nothing from the past year scores higher on Writing for less.

$0.1$0.3$1$3$10204060Kimi K3.1 Pro: 70, $4 per 1MClaude Haiku 5.5: 46, $0.2 per 1MMistral Large 4: 41, $2.06 per 1MGemini 4 Argon: 63, $4 per 1MGPT-6.1 Sol: 64, $4 per 1MClaude Sonnet 5.5: 55, $4 per 1MGPT-6 Sol: 61, $4 per 1MGPT-6 Luna: 22, $0.2 per 1MClaude Opus 5.5: 65, $8 per 1MGrok 4.7: 64, $3 per 1MDeepSeek V4.1 Flash: 56, $0.27 per 1MGPT-6 Astra: 69, $20 per 1MMuse Spark 1.3: 65, $2 per 1MGemini 3.8 Flash: 65, $1.5 per 1MClaude Fable 5.1: 69, $20 per 1MGLM-5.3-Flash: 15, $0.24 per 1MDeepSeek V4 Flash Vision Exp: 56, $0.32 per 1MQwen3.8 27B: 52, $1.12 per 1MGLM-5.3: 65, $2.15 per 1MGemini 3.7 Flash: 61, $1.5 per 1MDeepSeek V4 Pro 0813: 49, $0.99 per 1MQwen3.8 2.4T A95B: 62, $3 per 1MGrok 4.6: 44, $3 per 1MMuse Glimmer 30B: 59, $0.52 per 1MMuse Spark 1.2: 62, $2 per 1MQwen3.8 Max: 57, $3 per 1MDeepSeek V4 Flash 0731: 52, $0.067 per 1MClaude Opus 5: 64, $10 per 1MGemini 3.6 Flash: 63, $1.5 per 1MGemini 3.5 Flash Lite: 53, $0.85 per 1MKimi K3: 64, $6 per 1MGPT-5.6 Terra: 57, $4.5 per 1MGPT-5.6 Sol: 65, $8 per 1MGPT-5.6 Luna: 53, $0.45 per 1MGrok 4.5: 44, $3 per 1MClaude Sonnet 5: 57, $4 per 1MGLM-5.2: 55, $2.15 per 1MKimi K2.7 Code: 23, $1.71 per 1MClaude Fable 5: 68, $20 per 1MClaude Opus 4.8: 62, $10 per 1MQwen3.7 Max: 48, $3.75 per 1MGemini 3.5 Flash: 56, $3.38 per 1MDeepSeek V4 Pro: 54, $0.26 per 1MDeepSeek V4 Flash: 52, $0.11 per 1MGPT-5.5: 64, $11.2 per 1MQwen3.6 27B: 16, $1.35 per 1MKimi K2.6: 56, $1.71 per 1MQwen3.6 Max Preview: 44, $2.92 per 1MGrok 4.3: 29, $1.56 per 1MGrok Build 0.1: 43, $1.25 per 1MClaude Opus 4.7: 61, $10 per 1MMuse Spark 1.1: 58, $2 per 1MGLM-5.1: 56, $2.15 per 1MGemma 4 31B IT: 54, $0.25 per 1MGemma 4 26B A4B IT: 51, $0.11 per 1MQwen3.6 Plus: 31, $1.12 per 1MGPT-5.4 nano: 49, $0.46 per 1MGPT-5.4 mini: 52, $1.69 per 1MGPT-5.4: 63, $5.62 per 1MGemini 3.1 Flash Lite Preview: 43, $0.56 per 1MQwen3.5 35B-A3B: 39, $0.69 per 1MQwen3.5 27B: 52, $0.82 per 1MQwen3.5 122B-A10B: 47, $1.1 per 1MGemini 3.1 Pro Preview: 57, $4.5 per 1MClaude Sonnet 4.6: 57, $6 per 1MQwen3.5 397B-A17B: 59, $1.35 per 1MGLM-5: 60, $1.55 per 1MClaude Opus 4.6: 56, $10 per 1MGLM-4.7: 58, $1 per 1MGemini 3 Flash Preview: 49, $1.12 per 1MGPT-5.2 Codex: 46, $4.81 per 1MGPT-5.2: 59, $4.81 per 1MMistral Large 3: 38, $0.75 per 1MMinistral 3 14B: 28, $0.2 per 1MDeepSeek V3.2: 49, $0.32 per 1MKimi K2 Thinking: 61, $1.07 per 1MKimi K2.5: 62, $1 per 1MKimi K2.5Price per 1M tokens →↑ Writing$0.1$1$10204060Kimi K3.1 Pro: 70, $4 per 1MClaude Haiku 5.5: 46, $0.2 per 1MMistral Large 4: 41, $2.06 per 1MGemini 4 Argon: 63, $4 per 1MGPT-6.1 Sol: 64, $4 per 1MClaude Sonnet 5.5: 55, $4 per 1MGPT-6 Sol: 61, $4 per 1MGPT-6 Luna: 22, $0.2 per 1MClaude Opus 5.5: 65, $8 per 1MGrok 4.7: 64, $3 per 1MDeepSeek V4.1 Flash: 56, $0.27 per 1MGPT-6 Astra: 69, $20 per 1MMuse Spark 1.3: 65, $2 per 1MGemini 3.8 Flash: 65, $1.5 per 1MClaude Fable 5.1: 69, $20 per 1MGLM-5.3-Flash: 15, $0.24 per 1MDeepSeek V4 Flash Vision Exp: 56, $0.32 per 1MQwen3.8 27B: 52, $1.12 per 1MGLM-5.3: 65, $2.15 per 1MGemini 3.7 Flash: 61, $1.5 per 1MDeepSeek V4 Pro 0813: 49, $0.99 per 1MQwen3.8 2.4T A95B: 62, $3 per 1MGrok 4.6: 44, $3 per 1MMuse Glimmer 30B: 59, $0.52 per 1MMuse Spark 1.2: 62, $2 per 1MQwen3.8 Max: 57, $3 per 1MDeepSeek V4 Flash 0731: 52, $0.067 per 1MClaude Opus 5: 64, $10 per 1MGemini 3.6 Flash: 63, $1.5 per 1MGemini 3.5 Flash Lite: 53, $0.85 per 1MKimi K3: 64, $6 per 1MGPT-5.6 Terra: 57, $4.5 per 1MGPT-5.6 Sol: 65, $8 per 1MGPT-5.6 Luna: 53, $0.45 per 1MGrok 4.5: 44, $3 per 1MClaude Sonnet 5: 57, $4 per 1MGLM-5.2: 55, $2.15 per 1MKimi K2.7 Code: 23, $1.71 per 1MClaude Fable 5: 68, $20 per 1MClaude Opus 4.8: 62, $10 per 1MQwen3.7 Max: 48, $3.75 per 1MGemini 3.5 Flash: 56, $3.38 per 1MDeepSeek V4 Pro: 54, $0.26 per 1MDeepSeek V4 Flash: 52, $0.11 per 1MGPT-5.5: 64, $11.2 per 1MQwen3.6 27B: 16, $1.35 per 1MKimi K2.6: 56, $1.71 per 1MQwen3.6 Max Preview: 44, $2.92 per 1MGrok 4.3: 29, $1.56 per 1MGrok Build 0.1: 43, $1.25 per 1MClaude Opus 4.7: 61, $10 per 1MMuse Spark 1.1: 58, $2 per 1MGLM-5.1: 56, $2.15 per 1MGemma 4 31B IT: 54, $0.25 per 1MGemma 4 26B A4B IT: 51, $0.11 per 1MQwen3.6 Plus: 31, $1.12 per 1MGPT-5.4 nano: 49, $0.46 per 1MGPT-5.4 mini: 52, $1.69 per 1MGPT-5.4: 63, $5.62 per 1MGemini 3.1 Flash Lite Preview: 43, $0.56 per 1MQwen3.5 35B-A3B: 39, $0.69 per 1MQwen3.5 27B: 52, $0.82 per 1MQwen3.5 122B-A10B: 47, $1.1 per 1MGemini 3.1 Pro Preview: 57, $4.5 per 1MClaude Sonnet 4.6: 57, $6 per 1MQwen3.5 397B-A17B: 59, $1.35 per 1MGLM-5: 60, $1.55 per 1MClaude Opus 4.6: 56, $10 per 1MGLM-4.7: 58, $1 per 1MGemini 3 Flash Preview: 49, $1.12 per 1MGPT-5.2 Codex: 46, $4.81 per 1MGPT-5.2: 59, $4.81 per 1MMistral Large 3: 38, $0.75 per 1MMinistral 3 14B: 28, $0.2 per 1MDeepSeek V3.2: 49, $0.32 per 1MKimi K2 Thinking: 61, $1.07 per 1MKimi K2.5: 62, $1 per 1MKimi K2.5Price per 1M tokens →↑ Writing

OpenRouter $0.5 / $2.5 · Cached input $0.15

Since Kimi K2 0711

5 releases in the Kimi line.

Kimi K2 0711Jul 11, 2025200dKimi K2.5Jan 27, 202683dKimi K2.6Apr 20, 202687dKimi K3Jul 16, 202657dKimi K2.8 PreviewSep 11, 2026
Released200 days later
Price in / out$0.5 / $2.5same price
Context262.1K2.0×
Science53+8.4

A newer release is out: Kimi K2.8 Preview.

ECI STANDING#69 of 270
SCORE148.07146.55–149.52 CI
FRONTIER LAGLaunched 5.7 months behindScores about what GPT-5 did in August 2025.
SCORES LIKE THESE MODELS
Grok 4.3 BetaxAI · Apr 2026148.81
GPT-5.4 MiniOpenAI · Mar 2026148.7
InklingThinking Machines · Jul 2026148.41
o3-proOpenAI · Jun 2025147.33
Full Epoch Capabilities Index ranking ↗

Epoch benchmark boards

Best result on each board it has run. The tick marks the leader.

Fiction.LiveBench
86%#7 of 58
CL-bench
19%#9 of 21
WeirdML
46%#68 of 141
ARC-AGI
65%#52 of 107
CL-bench Life
13%#7 of 14
ARC-AGI-2
12%#53 of 103
SWE-Bench verified
74%#17 of 32
Terminal Bench
43%#27 of 50
2 more boards
SimpleBench
47%#50 of 89
SimpleQA Verified
34%#55 of 84

Moonshot AI's past year

7 release days in the past year, about one every 52 days. The next is expected around Dec 7, 2026. Forecasts ↗

NovDecJanFebMarAprMayJunJulAugSepOctNovDec

Specifications

RELEASE DATEJan 27, 2026
WEIGHTSOpen weights
CONTEXT WINDOW262.1K
MAX OUTPUT262.1K
REASONINGNot listed
TOOL CALLINGNot listed
INPUTStext, image/jpeg, image/png, image/gif, image/webp, image/bmp, image/heic, image/heif, video/mp4, video/mpeg, video/mov, video/avi, video/x-flv, video/mpg, video/webm, video/wmv, video/3gpp
OUTPUTStext

Models.dev record ↗

Specifications and prices from Models.dev; availability and limits may differ by provider. Benchmarks from Epoch AI (CC BY 4.0), LiveBench and the other sources named above.