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Moonshot · released 2026-10-23

Kimi K3.1

Measured on 109 benchmarks.

46.4

#10 of 68 models · best at max

Strengths

  • Kimi K3.1
  • Gemini 4 Carbon (#1)
  • Field median
bestField medianFrontierCode 2.0-…Terminal-Bench v4…AA-Briefcase v1.1AutomationBench-AATerminal-Bench-Sc…HLE-DiamondCritPt v2 Hard Su…AA-Omniscience v1…AA-Omniscience v1…GDP.pdf
  1. FrontierCode 2.0-AA15%25.5%#19 of 68
  2. Terminal-Bench v4-AA10%67.2%#1 of 68
  3. AA-Briefcase v1.115%1675#4 of 68
  4. AutomationBench-AA5%73.3%#3 of 68
  5. Terminal-Bench-Science-AA15%34.3%#10 of 68
  6. HLE-Diamond10%37.3%#14 of 68
  7. CritPt v2 Hard Subset10%49.5%#16 of 68
  8. AA-Omniscience v1.1 Accuracy10%48.9%#13 of 68
  9. AA-Omniscience v1.1 Non-hallucination5%62.7%#32 of 68
  10. GDP.pdf5%31.4%#2 of 68

Bars show where Kimi K3.1 sits among the 68 ranked models on each benchmark (right is best); the tick is the field median.

Cost and speed

against 68 ranked models

Cost per task

#48 cheapest of 50

$3.7at max

Time per task

#44 quickest of 49

36 minat max

Output speed

#60 fastest of 60

33 tok/sat max

Time to first token

#31 quickest of 60

4.7sat max

Output tokens per task

#23 fewest of 53

72kat max

Time per task: Artificial Analysis · computed, not timed: output tokens per Intelligence Index task divided by output speed, without tool time. Method changed Nov 4, 2026.

API default effort: max, per Artificial Analysis.

Token price

$0.294 per 1M tokens at API prices

97.0% cache read · 2.50% fresh input · 0.00% cache write · 0.50% output

Assumed mix: no measured T3 Code usage for this model.

This ranking’s benchmarks

10 of 10 measured

agentic

AutomationBench-AA

245 results
  1. #4max of 24573.3%

Leader: Gemini 4 Carbon · 77.8%

agentic

AA-Briefcase v1.1

250 results
  1. #7max of 2501675

Leader: Sonnet 5.5 · 1813

reasoning

CritPt v2 Hard Subset

116 results
  1. #38max of 11649.5%

Leader: GPT-6 Astra · 72.0%

coding

FrontierCode 2.0-AA

113 results
  1. #41max of 11325.5%

Leader: Opus 5.5 · 46.4%

economics

GDP.pdf

243 results
  1. #5max of 24331.4%

Leader: Muse Wonder Full · 32.6%

reasoning

HLE-Diamond

153 results
  1. #33max of 15337.3%

Leader: Gemini 4 Carbon · 69.1%

knowledge

AA-Omniscience v1.1 Accuracy

123 results
  1. #32max of 12348.9%

Leader: Fable 5.1 · 68.4%

knowledge

AA-Omniscience v1.1 Non-hallucination

123 results
  1. #42max of 12362.7%

Leader: Gemini 4 Carbon · 95.8%

reasoning

Terminal-Bench-Science-AA

126 results
  1. #26max of 12634.3%

Leader: Gemini 4 Carbon · 64.8%

coding

Terminal-Bench v4-AA

241 results
  1. #1max of 24167.2%

Leader: this model · 67.2%

All 109 benchmarks

show 99 more