Models / Moonshot AI
Chat
Reasoning
Vision

Kimi K3

Open 3T-class model for long-horizon coding and knowledge work

Performance benchmarks

Model

AIME 2025

GPQA Diamond

HLE

LiveCodeBench

MATH500

SWE-bench verified

93.5

43.5

Related open-source models

Competitor closed-source models

Claude Opus 4.6

90.5%

34.2%

78.7%

OpenAI o3

83.3%

24.9%

99.2%

62.3%

OpenAI o1

76.8%

96.4%

48.9%

GPT-4o

49.2%

2.7%

32.3%

89.3%

31.0%

This model is coming soon to Together’s Serverless API.

Pick a supported alternative from the Model Library.

Related models
  • Model provider
    Moonshot AI
  • Type
    Chat
    Reasoning
    Vision
  • Parameters
    2.8T
  • Context length
    1M
  • Category
    Chat