Kimi K3.1 Pro

Kimi K3.1 Pro is a multimodal reasoning model for coding, 3D creation, document analysis and multi-step tool use. It supports a 1M-token context window and text, image and video inputs. Reasoning is always enabled, with low, high and max effort levels.

  • Reasoning
  • Vision
  • Video Input
  • Tool Calling
  • Structured Output

Added Oct 24, 2026

Pricing

Auto routing · per 1M tokens
Input
$2.00
Output
$10.00
Cache read
$0.20

Specifications

Context window
1M
Max output
1M

Benchmarks

Sourced from Artificial Analysis.

Intelligence Index

55.1

Better than 99% of models compared

Agentic work

AutomationBench-AA

Workflow automation with guardrail penalties

73.3%

Better than 99% of models compared

AutomationBench-AA Tasks Completed

Fully completed workflows without guardrail violations

46.0%

Better than 99% of models compared

AA-Briefcase v1.1

Agentic knowledge work (Elo)

1678 Elo

Better than 97% of models compared

GDPval-AA v2.1

Economically valuable tasks (Elo)

1846 Elo

Better than 99% of models compared

Document reasoning

GDP.pdf

Professional PDF reasoning: all-pass rate

31.4%

Better than 98% of models compared

AA-LCR v1.1

Long context reasoning with updated grading

86.3%

Better than 99% of models compared

Reasoning

HLE

Humanity's Last Exam

52.5%

Better than 97% of models compared

CritPt

Research-level physics reasoning

24.6%

Coding

Terminal-Bench v4.0

Practical coding and terminal tasks

67.2%

Better than 99% of models compared

SciCode

Python programming for scientific computing

60.8%

Better than 96% of models compared

Knowledge

AA-Omniscience Accuracy

Proportion of correctly answered questions

51.0%

AA-Omniscience Hallucination Rate

Rate of incorrect answers among non-correct responses

43.9%

Legacy benchmarks

AA-LCR (unversioned / legacy)

Long context reasoning evaluation

86.3%

Better than 99% of models compared

GDPval-AA (unversioned / legacy)

Economically valuable tasks

67.3%

Last updated Oct 24, 2026

Artificial Analysis

Providers

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