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Kimi K2 Thinking

Released at: November 6, 2025

API StatusAvailable for integration
Context Window262,144 tokens
Input Price / MTok$0.60
Output Price / MTok$2.50

Model Overview

Moonshot AI · Active Model

  • Long-Context
  • API Available
  • Vetted Benchmarks
  • Production Ready

Kimi K2 Thinking is Moonshot AI’s most advanced open reasoning model to date, extending the K2 series into agentic, long-horizon reasoning. Built on the trillion-parameter Mixture-of-Experts (MoE) architecture introduced in...

Developer
Moonshot AI
Release Date
November 6, 2025
Context Window
262,144 tokens≈ 350 words
API Access
Publicly AvailableIntegrate via official API
Input Cost
$0.60per million tokens
Output Cost
$2.50per million tokens
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Vetted Benchmarks

mmluScore: 88.5% (Ranked top 36%)
humanevalScore: 91% (Ranked top 41%)
mathScore: 85.4% (Ranked top 26%)
mt_benchScore: 9.22% (Ranked top 35%)
gpqaScore: 54.5% (Ranked top 42%)
hellaswagScore: 88.8% (Ranked top 49%)

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