Kimi K2.7 Code

moonshotai/kimi-k2.7-code-20260612

MoonshotAI: Kimi K2.7 Code is a model from moonshotai that accepts text and image inputs and provides text outputs. It features a 262,144 token context window, supports tool use and reasoning, and is released as open weights.

  • tool use
  • structured outputs
  • reasoning
  • open-weight

At a glance

providermoonshotai
releasedJun 12, 2026
context262K
input / M$0.67

Specifications

What the API gives you

Context window
262K tokens
Max output
236K tokens
Input price
$0.67 / 1M tokens
Output price
$3.35 / 1M tokens
Cache read
$0.18 / 1M tokens
Modalities
text, image → text
Knowledge cutoff
—
Released
Jun 12, 2026

Measured evidence

Public benchmark record

Design Arena Coding
1253 Elo2026-10-21
Design Arena Full-stack Agent
1175 Elo2026-10-14
Design Arena UI
1259 Elo2026-10-21
Design Arena Web-app Agent
1175 Elo2026-10-21
Design Arena Website
1264 Elo2026-10-21
FrontierMath Tiers 1-3 (Epoch AI)
54% ± 32026-06-13evaluated 2026-06-13
GPQA Diamond (Epoch AI)
87.9% ± 2.32026-08-07evaluated 2026-08-07
LiveBench Agentic Coding
45.7%2026-10-18
LiveBench Coding
74.0%2026-10-18
LiveBench Data Analysis
62.7%2026-10-18
LiveBench Instruction Following
56.3%2026-10-18
LiveBench Language
77.9%2026-10-18
LiveBench Math
79.6%2026-10-18
LiveBench Reasoning
82.8%2026-10-18
LMArena WebDev
1474 Elo2026-10-19
LMArena WebDev Image-to-Web
1513 Elo2026-10-19
OTIS Mock AIME (Epoch AI)
95.6% ± 3.12026-08-07evaluated 2026-08-07
SimpleQA Verified (Epoch AI)
36.5% ± 1.52026-08-27evaluated 2026-08-27

LMArena data licensed CC-BY-4.0. Aider (Apache-2.0) and SWE-bench (MIT) are open. Design Arena uses blind human preference.

Open-weight model on Hugging Face.

Task evidence

How broad is the support?

Each status is exact to this model version and the selected task. Official release claims remain provisional.

  • Best LLM for Frontend & UIEstablished evidence

    100% of intended weighted task evidence across 3 independent sources. 6 of 6 configured evaluation feeds currently have results.

  • Best LLM for Code CompletionEstablished evidence

    79% of intended weighted task evidence across 2 independent sources. 3 of 3 configured evaluation feeds currently have results.

  • Best LLM for Competition MathEstablished evidence

    74% of intended weighted task evidence across 3 independent sources. 6 of 6 configured evaluation feeds currently have results.

  • Best LLM for Math & ReasoningEstablished evidence

    72% of intended weighted task evidence across 4 independent sources. 7 of 7 configured evaluation feeds currently have results.

  • Best LLM for Logic & Problem SolvingEstablished evidence

    64% of intended weighted task evidence across 2 independent sources. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for CodingEstablished evidence

    53% of intended weighted task evidence across 3 independent sources. 7 of 7 configured evaluation feeds currently have results.

Show all 33 tasks
  • Best LLM for a General AssistantEstablished evidence

    50% of intended weighted task evidence across 2 independent sources. 6 of 6 configured evaluation feeds currently have results.

  • Best Local LLM for CodingEstablished evidence

    47% of intended weighted task evidence across 2 independent sources. 4 of 4 configured evaluation feeds currently have results.

  • Best LLM for Agentic CodingEstablished evidence

    36% of intended weighted task evidence across 2 independent sources. 7 of 7 configured evaluation feeds currently have results.

  • Best LLM for Debugging & Code ReviewEstablished evidence

    33% of intended weighted task evidence across 2 independent sources. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for Creative WritingProvisional evidence

    44% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LMArena Creative Writing or LMArena Text. 4 of 4 configured evaluation feeds currently have results.

  • Best LLM for WritingProvisional evidence

    44% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LMArena Creative Writing or LMArena Text. 4 of 4 configured evaluation feeds currently have results.

  • Best LLM for Fast SummariesProvisional evidence

    42% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LMArena Text or Route reliability. 2 of 3 configured evaluation feeds currently have results.

  • Best Open-Weight LLM for Self-HostingProvisional evidence

    36% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LMArena Text or Route reliability. 2 of 3 configured evaluation feeds currently have results.

  • Best LLM for Chat & RoleplayProvisional evidence

    33% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LMArena Creative Writing or LMArena Text. 4 of 4 configured evaluation feeds currently have results.

  • Best LLM for Roleplay & CharacterProvisional evidence

    33% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LMArena Creative Writing or LMArena Text. 4 of 4 configured evaluation feeds currently have results.

  • Best LLM for Business WritingProvisional evidence

    33% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LMArena Creative Writing or LMArena Instruction Following. 4 of 4 configured evaluation feeds currently have results.

  • Best LLM for Literary TranslationProvisional evidence

    33% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LMArena Text or WMT translation. 3 of 4 configured evaluation feeds currently have results.

  • Best LLM for Marketing CopyProvisional evidence

    33% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LMArena Creative Writing or LMArena Instruction Following. 4 of 4 configured evaluation feeds currently have results.

  • Best LLM for Everyday TranslationProvisional evidence

    33% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LMArena Text or WMT translation. 3 of 4 configured evaluation feeds currently have results.

  • Best LLM for TranslationProvisional evidence

    33% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LMArena Text or WMT translation. 3 of 4 configured evaluation feeds currently have results.

  • Best Value LLMProvisional evidence

    33% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LMArena Text or Route reliability. 2 of 3 configured evaluation feeds currently have results.

  • Best Cheap LLM for High VolumeProvisional evidence

    30% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LMArena Text or Route reliability. 2 of 3 configured evaluation feeds currently have results.

  • Cheapest Capable LLMProvisional evidence

    30% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LMArena Text or Route reliability. 2 of 3 configured evaluation feeds currently have results.

  • Best LLM for JSON & Schema OutputProvisional evidence

    24% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from Berkeley Function Calling or LMArena Text. 3 of 4 configured evaluation feeds currently have results.

  • Best LLM for Structured Data ExtractionProvisional evidence

    24% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from Berkeley Function Calling or LMArena Text. 3 of 4 configured evaluation feeds currently have results.

  • Best LLM for High-Volume ExtractionProvisional evidence

    21% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from Route reliability or Structured-output eval. 1 of 3 configured evaluation feeds currently have results.

  • Best LLM for Document SummarizationProvisional evidence

    20% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from FACTS Grounding or LMArena Document. 5 of 6 configured evaluation feeds currently have results.

  • Best LLM for SummarizationProvisional evidence

    20% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from FACTS Grounding or LMArena Document. 5 of 6 configured evaluation feeds currently have results.

  • Best LLM for Grounded RAGProvisional evidence

    14% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from CRAG or FACTS Grounding. 5 of 7 configured evaluation feeds currently have results.

  • Best LLM for Autonomous AgentsProvisional evidence

    13% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LMArena Agent or LMArena Agent Task Outcome. 6 of 6 configured evaluation feeds currently have results.

  • Best LLM for Image UnderstandingProvisional evidence

    11% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LMArena Vision or VLMEvalKit tasks. 2 of 3 configured evaluation feeds currently have results.

  • Best LLM for AI AgentsProvisional evidence

    9% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from Berkeley Function Calling or LMArena Agent. 9 of 9 configured evaluation feeds currently have results.

Recommendation coverage

Where this model appears

  1. #8Best Local LLM for Coding

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