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Kimi K2 Thinking

byMoonshotAI

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...

Input Price$0.60/1M tokens
Output Price$2.50/1M tokens
Intelligence40.9
Coding34.8

Specifications

Technical details and pricing.

ProviderMoonshotAI
Context Window262,144 tokens
Release DateNov 6, 2025
ModalitiesText

Benchmarks

10 benchmark scores from Artificial Analysis.

GPQA83.8%
MMLU Pro84.8%
HLE22.3%
LiveCodeBench85.3%
AIME 202594.7%
SciCode42.4%
LCR66.3%
IFBench68.1%
Tau293.0%
TerminalBench Hard31.1%

Composite Indices

Intelligence, Coding, Math

Standard Benchmarks

Academic and industry benchmarks

Frequently Asked Questions

What is Kimi K2 Thinking good for?

Use Kimi K2 Thinking for everyday tasks like writing, summarizing, brainstorming, and getting clear explanations.

How much does Kimi K2 Thinking cost?

Pricing is based on usage. Current rates are $0.60/1M tokens for input and $2.50/1M tokens for output.

Can I try Kimi K2 Thinking for free?

Yes. You can start a chat instantly and test the model before deciding on a plan.

Does Kimi K2 Thinking support images or audio?

Kimi K2 Thinking focuses on text-based tasks.

Benchmarks and pricing are sourced from Artificial Analysis where available. OpenRouter specs are used as a fallback.

Customer Support