Kimi K3

moonshotai/kimi-k3-20260715

MoonshotAI Kimi K3, from MoonshotAI, accepts text and image inputs and produces text output. It offers a context length of 1,048,576 tokens and supports tool usage and reasoning capabilities. Pricing is set at 3 units per million input tokens and 15 units per million output tokens.

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

At a glance

providermoonshotai
releasedJul 16, 2026
context1.0M
input / M$3

Specifications

What the API gives you

Context window
1.0M tokens
Max output
944K tokens
Input price
$3 / 1M tokens
Output price
$15 / 1M tokens
Cache read
$0.30 / 1M tokens
Modalities
text, image, video → text
Knowledge cutoff
Released
Jul 16, 2026

Measured evidence

Public benchmark record

Design Arena Coding
1419 Elo2026-07-28
Design Arena Coding
1420 Elo2026-07-27
Design Arena Coding
1418 Elo2026-07-30
Design Arena Coding
1419 Elo2026-07-29
Design Arena Coding
1418 Elo2026-07-31
Design Arena Coding
1417 Elo2026-08-02
Design Arena Coding
1416 Elo2026-08-05
Design Arena Coding
1417 Elo2026-08-01
Design Arena Coding
1414 Elo2026-08-09
Design Arena Coding
1417 Elo2026-08-03
Design Arena Coding
1417 Elo2026-08-04
Design Arena Coding
1412 Elo2026-08-14
Design Arena Coding
1416 Elo2026-08-06
Design Arena Coding
1415 Elo2026-08-10
Design Arena Coding
1416 Elo2026-08-07
Design Arena Coding
1403 Elo2026-08-18
Design Arena Coding
1415 Elo2026-08-08
Design Arena Coding
1408 Elo2026-08-21
Design Arena Coding
1404 Elo2026-08-15
Design Arena Coding
1415 Elo2026-08-11
Design Arena Coding
1414 Elo2026-08-12
Design Arena Coding
1401 Elo2026-08-19
Design Arena Coding
1412 Elo2026-08-13
Design Arena Coding
1404 Elo2026-08-27
Design Arena Coding
1401 Elo2026-08-20
Design Arena Coding
1404 Elo2026-08-16
Design Arena Coding
1403 Elo2026-08-17
Design Arena Coding
1407 Elo2026-08-22
Design Arena Coding
1407 Elo2026-08-23
Design Arena Coding
1402 Elo2026-08-28
Design Arena Coding
1407 Elo2026-08-24
Design Arena Coding
1407 Elo2026-08-25
Design Arena Coding
1407 Elo2026-08-26
Design Arena Coding
1402 Elo2026-08-29
Design Arena Coding
1401 Elo2026-08-30
Design Arena Coding
1402 Elo2026-08-31
Design Arena Coding
1401 Elo2026-09-01
Design Arena Coding
1400 Elo2026-09-02
Design Arena Coding
1398 Elo2026-09-03
Design Arena Coding
1397 Elo2026-09-04
Design Arena UI
1415 Elo2026-07-28
Design Arena UI
1414 Elo2026-07-27
Design Arena UI
1413 Elo2026-07-30
Design Arena UI
1413 Elo2026-07-29
Design Arena UI
1413 Elo2026-07-31
Design Arena UI
1408 Elo2026-08-02
Design Arena UI
1413 Elo2026-08-01
Design Arena UI
1397 Elo2026-08-05
Design Arena UI
1390 Elo2026-08-09
Design Arena UI
1408 Elo2026-08-03
Design Arena UI
1397 Elo2026-08-04
Design Arena UI
1388 Elo2026-08-14
Design Arena UI
1397 Elo2026-08-06
Design Arena UI
1390 Elo2026-08-10
Design Arena UI
1397 Elo2026-08-07
Design Arena UI
1393 Elo2026-08-08
Design Arena UI
1384 Elo2026-08-18
Design Arena UI
1390 Elo2026-08-11
Design Arena UI
1385 Elo2026-08-15
Design Arena UI
1390 Elo2026-08-12
Design Arena UI
1392 Elo2026-08-13
Design Arena UI
1384 Elo2026-08-19
Design Arena UI
1372 Elo2026-08-27
Design Arena UI
1384 Elo2026-08-20
Design Arena UI
1385 Elo2026-08-16
Design Arena UI
1384 Elo2026-08-17
Design Arena UI
1379 Elo2026-08-21
Design Arena UI
1377 Elo2026-08-22
Design Arena UI
1377 Elo2026-08-23
Design Arena UI
1376 Elo2026-08-28
Design Arena UI
1377 Elo2026-08-24
Design Arena UI
1376 Elo2026-08-25
Design Arena UI
1373 Elo2026-08-26
Design Arena UI
1376 Elo2026-08-29
Design Arena UI
1376 Elo2026-08-30
Design Arena UI
1382 Elo2026-08-31
Design Arena UI
1381 Elo2026-09-01
Design Arena UI
1381 Elo2026-09-02
Design Arena UI
1380 Elo2026-09-03
Design Arena UI
1378 Elo2026-09-04
Design Arena Web-app Agent
1325 Elo2026-07-28
Design Arena Web-app Agent
1325 Elo2026-07-27
Design Arena Web-app Agent
1329 Elo2026-07-30
Design Arena Web-app Agent
1330 Elo2026-07-29
Design Arena Web-app Agent
1329 Elo2026-07-31
Design Arena Web-app Agent
1330 Elo2026-08-02
Design Arena Web-app Agent
1331 Elo2026-08-01
Design Arena Web-app Agent
1331 Elo2026-08-05
Design Arena Web-app Agent
1327 Elo2026-08-09
Design Arena Web-app Agent
1332 Elo2026-08-03
Design Arena Web-app Agent
1333 Elo2026-08-04
Design Arena Web-app Agent
1323 Elo2026-08-14
Design Arena Web-app Agent
1331 Elo2026-08-06
Design Arena Web-app Agent
1327 Elo2026-08-10
Design Arena Web-app Agent
1330 Elo2026-08-07
Design Arena Web-app Agent
1319 Elo2026-08-18
Design Arena Web-app Agent
1328 Elo2026-08-08
Design Arena Web-app Agent
1330 Elo2026-08-11
Design Arena Web-app Agent
1320 Elo2026-08-15
Design Arena Web-app Agent
1330 Elo2026-08-12
Design Arena Web-app Agent
1327 Elo2026-08-13
Design Arena Web-app Agent
1319 Elo2026-08-19
Design Arena Web-app Agent
1330 Elo2026-08-27
Design Arena Web-app Agent
1319 Elo2026-08-20
Design Arena Web-app Agent
1322 Elo2026-08-16
Design Arena Web-app Agent
1322 Elo2026-08-17
Design Arena Web-app Agent
1329 Elo2026-08-21
Design Arena Web-app Agent
1331 Elo2026-08-22
Design Arena Web-app Agent
1332 Elo2026-08-23
Design Arena Web-app Agent
1330 Elo2026-08-28
Design Arena Web-app Agent
1326 Elo2026-08-24
Design Arena Web-app Agent
1328 Elo2026-08-25
Design Arena Web-app Agent
1330 Elo2026-08-26
Design Arena Web-app Agent
1330 Elo2026-08-29
Design Arena Web-app Agent
1329 Elo2026-08-30
Design Arena Web-app Agent
1335 Elo2026-08-31
Design Arena Web-app Agent
1334 Elo2026-09-01
Design Arena Web-app Agent
1335 Elo2026-09-02
Design Arena Web-app Agent
1335 Elo2026-09-03
Design Arena Web-app Agent
1335 Elo2026-09-04
Design Arena Website
1376 Elo2026-07-28
Design Arena Website
1377 Elo2026-07-27
Design Arena Website
1375 Elo2026-07-30
Design Arena Website
1376 Elo2026-07-29
Design Arena Website
1375 Elo2026-07-31
Design Arena Website
1374 Elo2026-08-02
Design Arena Website
1375 Elo2026-08-01
Design Arena Website
1379 Elo2026-08-05
Design Arena Website
1374 Elo2026-08-03
Design Arena Website
1378 Elo2026-08-09
Design Arena Website
1379 Elo2026-08-04
Design Arena Website
1378 Elo2026-08-14
Design Arena Website
1379 Elo2026-08-06
Design Arena Website
1379 Elo2026-08-07
Design Arena Website
1378 Elo2026-08-10
Design Arena Website
1378 Elo2026-08-08
Design Arena Website
1368 Elo2026-08-18
Design Arena Website
1378 Elo2026-08-11
Design Arena Website
1370 Elo2026-08-15
Design Arena Website
1379 Elo2026-08-12
Design Arena Website
1379 Elo2026-08-13
Design Arena Website
1368 Elo2026-08-19
Design Arena Website
1370 Elo2026-08-16
Design Arena Website
1368 Elo2026-08-20
Design Arena Website
1368 Elo2026-08-27
Design Arena Website
1369 Elo2026-08-17
Design Arena Website
1373 Elo2026-08-21
Design Arena Website
1373 Elo2026-08-22
Design Arena Website
1372 Elo2026-08-23
Design Arena Website
1372 Elo2026-08-24
Design Arena Website
1366 Elo2026-08-28
Design Arena Website
1372 Elo2026-08-25
Design Arena Website
1372 Elo2026-08-26
Design Arena Website
1365 Elo2026-08-29
Design Arena Website
1365 Elo2026-08-30
Design Arena Website
1365 Elo2026-08-31
Design Arena Website
1365 Elo2026-09-01
Design Arena Website
1363 Elo2026-09-02
Design Arena Website
1361 Elo2026-09-03
Design Arena Website
1361 Elo2026-09-04
LiveBench Coding
81.5%2026-06-25
LiveBench Language
85.5%2026-06-25
LiveBench Math
84.4%2026-06-25
LiveBench Reasoning
90.7%2026-06-25
LMArena Agent
9.62026-07-20
LMArena Agent
9.72026-07-21
LMArena Agent
9.92026-07-28
LMArena Agent
10.12026-08-06
LMArena Agent
10.22026-08-03
LMArena Agent
10.52026-08-12
LMArena Agent
10.42026-08-11
LMArena Agent
10.62026-08-13
LMArena Agent
9.52026-08-24
LMArena Agent
9.22026-08-27
LMArena Agent
8.72026-08-31
LMArena Creative Writing
1462 Elo2026-07-21
LMArena Creative Writing
1464 Elo2026-07-27
LMArena Creative Writing
1464 Elo2026-07-30
LMArena Creative Writing
1461 Elo2026-08-02
LMArena Creative Writing
1447 Elo2026-08-06
LMArena Creative Writing
1448 Elo2026-08-12
LMArena Creative Writing
1449 Elo2026-08-21
LMArena Creative Writing
1451 Elo2026-08-27
LMArena Creative Writing
1452 Elo2026-09-01
LMArena Long Query
1491 Elo2026-07-21
LMArena Long Query
1493 Elo2026-07-27
LMArena Long Query
1493 Elo2026-07-30
LMArena Long Query
1492 Elo2026-08-02
LMArena Long Query
1490 Elo2026-08-06
LMArena Long Query
1491 Elo2026-08-12
LMArena Long Query
1491 Elo2026-08-21
LMArena Long Query
1491 Elo2026-08-27
LMArena Long Query
1492 Elo2026-09-01
LMArena Math
1488 Elo2026-08-06
LMArena Math
1488 Elo2026-08-12
LMArena Math
1493 Elo2026-08-21
LMArena Math
1496 Elo2026-08-27
LMArena Math
1497 Elo2026-09-01
LMArena Text
1473 Elo2026-07-16
LMArena Text
1483 Elo2026-07-20
LMArena Text
1486 Elo2026-07-21
LMArena Text
1486 Elo2026-07-27
LMArena Text
1486 Elo2026-07-30
LMArena Text
1485 Elo2026-08-02
LMArena Text
1485 Elo2026-08-06
LMArena Text
1489 Elo2026-08-12
LMArena Text
1487 Elo2026-08-10
LMArena Text
1489 Elo2026-08-21
LMArena Text
1489 Elo2026-08-27
LMArena Text
1489 Elo2026-09-01
LMArena WebDev
1679 Elo2026-07-16
LMArena WebDev
1677 Elo2026-07-20
LMArena WebDev
1678 Elo2026-07-21
LMArena WebDev
1682 Elo2026-07-24
LMArena WebDev
1682 Elo2026-07-28
LMArena WebDev
1682 Elo2026-07-30
LMArena WebDev
1676 Elo2026-08-01
LMArena WebDev
1675 Elo2026-07-31
LMArena WebDev
1675 Elo2026-08-06
LMArena WebDev
1676 Elo2026-08-02
LMArena WebDev
1674 Elo2026-08-10
LMArena WebDev
1674 Elo2026-08-12
LMArena WebDev
1674 Elo2026-08-14
LMArena WebDev
1674 Elo2026-08-21
LMArena WebDev
1674 Elo2026-08-30
LMArena WebDev
1674 Elo2026-09-01

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 Competition MathEstablished evidence

    100% of intended weighted task evidence across 2 independent sources. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for Business WritingEstablished evidence

    100% of intended weighted task evidence across 2 independent sources. 5 of 5 configured evaluation feeds currently have results.

  • 100% of intended weighted task evidence across 2 independent sources. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for Marketing CopyEstablished evidence

    100% of intended weighted task evidence across 2 independent sources. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for Chat & RoleplayEstablished evidence

    100% of intended weighted task evidence across 2 independent sources. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for Creative WritingEstablished evidence

    100% of intended weighted task evidence across 2 independent sources. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for Frontend & UIEstablished evidence

    100% of intended weighted task evidence across 3 independent sources. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for WritingEstablished evidence

    100% of intended weighted task evidence across 2 independent sources. 5 of 5 configured evaluation feeds currently have results.

  • 100% of intended weighted task evidence across 2 independent sources. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for Math & ReasoningEstablished evidence

    100% of intended weighted task evidence across 2 independent sources. 5 of 5 configured evaluation feeds currently have results.

  • 100% of intended weighted task evidence across 2 independent sources. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for Code CompletionEstablished evidence

    81% of intended weighted task evidence across 2 independent sources. 4 of 4 configured evaluation feeds currently have results.

  • 67% of intended weighted task evidence across 2 independent sources. 3 of 4 configured evaluation feeds currently have results.

  • Best LLM for Fast SummariesEstablished evidence

    64% of intended weighted task evidence across 2 independent sources. 3 of 4 configured evaluation feeds currently have results.

  • Best Value LLMEstablished evidence

    64% of intended weighted task evidence across 2 independent sources. 3 of 4 configured evaluation feeds currently have results.

  • Best LLM for CodingProvisional evidence

    58% of intended weighted task evidence across 3 independent sources; broader independent confirmation is still missing from Aider Polyglot or SWE-bench Verified. 8 of 8 configured evaluation feeds currently have results.

  • 55% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from WMT translation. 4 of 5 configured evaluation feeds currently have results.

  • 55% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from WMT translation. 4 of 5 configured evaluation feeds currently have results.

  • Best LLM for TranslationProvisional evidence

    55% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from WMT translation. 4 of 5 configured evaluation feeds currently have results.

  • Best Cheap LLM for High VolumeProvisional evidence

    50% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from Route reliability. 3 of 4 configured evaluation feeds currently have results.

  • Cheapest Capable LLMProvisional evidence

    50% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from Route reliability. 3 of 4 configured evaluation feeds currently have results.

  • Best Local LLM for CodingProvisional evidence

    50% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from Aider Polyglot or SWE-rebench. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for Agentic CodingProvisional evidence

    46% of intended weighted task evidence across 3 independent sources; broader independent confirmation is still missing from Frontier-Bench or SWE-rebench. 8 of 8 configured evaluation feeds currently have results.

  • 40% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from Aider Polyglot or SWE-bench Verified. 6 of 6 configured evaluation feeds currently have results.

  • 40% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from FACTS Grounding or LMArena Document. 4 of 6 configured evaluation feeds currently have results.

  • Best LLM for SummarizationProvisional evidence

    40% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from FACTS Grounding or LMArena Document. 4 of 6 configured evaluation feeds currently have results.

  • 39% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from Berkeley Function Calling or Structured-output eval. 4 of 5 configured evaluation feeds currently have results.

  • 39% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from Berkeley Function Calling or Structured-output eval. 4 of 5 configured evaluation feeds currently have results.

  • Best LLM for Hermes AgentProvisional evidence

    33% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from Berkeley Function Calling or SWE-rebench. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for OpenHandsProvisional evidence

    33% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from Berkeley Function Calling or SWE-rebench. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for GooseProvisional evidence

    33% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from Berkeley Function Calling or SWE-rebench. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for OpenClawProvisional evidence

    33% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from Berkeley Function Calling or SWE-rebench. 5 of 5 configured evaluation feeds currently have results.

  • 31% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from Route reliability or Structured-output eval. 2 of 4 configured evaluation feeds currently have results.

  • Best LLM for AI AgentsProvisional evidence

    27% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from Berkeley Function Calling or OSWorld Verified. 7 of 7 configured evaluation feeds currently have results.

  • 25% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from Berkeley Function Calling or LMArena Search. 4 of 5 configured evaluation feeds currently have results.

  • Best LLM for Autonomous AgentsProvisional evidence

    25% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from Frontier-Bench or OSWorld Verified. 7 of 7 configured evaluation feeds currently have results.

  • Best LLM for Massive ContextProvisional evidence

    25% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LMArena Document or LongBench v2. 3 of 4 configured evaluation feeds currently have results.

  • 25% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from Berkeley Function Calling or OSWorld Verified. 4 of 4 configured evaluation feeds currently have results.

  • 20% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LMArena Vision or VLMEvalKit tasks. 3 of 4 configured evaluation feeds currently have results.

  • 18% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from FACTS Grounding or LMArena Document. 4 of 6 configured evaluation feeds currently have results.

  • Best LLM for OCR & DocumentsProvisional evidence

    10% of intended weighted task evidence across 0 independent sources; broader independent confirmation is still missing from LMArena Document or LMArena Vision. 3 of 5 configured evaluation feeds currently have results.

  • 10% of intended weighted task evidence across 0 independent sources; broader independent confirmation is still missing from LMArena Document or LMArena Vision. 3 of 5 configured evaluation feeds currently have results.

  • Best LLM for Grounded RAGProvisional evidence

    10% of intended weighted task evidence across 0 independent sources; broader independent confirmation is still missing from CRAG or FACTS Grounding. 2 of 5 configured evaluation feeds currently have results.

  • Best LLM for Charts & DiagramsProvisional evidence

    10% of intended weighted task evidence across 0 independent sources; broader independent confirmation is still missing from LMArena Document or LMArena Vision. 3 of 5 configured evaluation feeds currently have results.

  • Best LLM for Document ParsingProvisional evidence

    10% of intended weighted task evidence across 0 independent sources; broader independent confirmation is still missing from LMArena Document or LMArena Vision. 3 of 5 configured evaluation feeds currently have results.

Catalog data via OpenRouter and models.dev. Last checked within the past 6 hours.