Kimi K2 Thinking specs, prices, where it runs and its benchmark standing

Name: Kimi K2 Thinking
Author: Moonshot AI

open weights · top 10 on 0 of 5 · released Nov 6, 2025

Provider: Moonshot AI
Release date: Nov 6, 2025 · Pricing lists Jul 11, 2025; Boards
Parameters: 1.03T total; Hugging Face
Modalities: Text to Text; OpenRouter
License: Modified MIT; Hugging Face
Context window: 131K tokens; Pricing
Pricing: $0.57 in / $2.3 out per 1M tokens; All prices
Hosting: 1 priced API route · OpenRouter · self-host: weights on Hugging Face; Pricing
Hardware: Estimate: about 1029 GB of weights as published (F8 E4M3), about 1026 GB at 8-bit, about 513 GB at 4-bit, plus memory for the context; Hugging Face config
Weights: Open weights
Benchmarks: 5 boards captured

Rank	Board	Category	Score	Of
24	MultiChallengeChat · as “kimi-k2-thinking”	Chat	55.4%	35
85	Epoch ECIReasoning · as “Kimi K2 Thinking”	Reasoning	145.5	100
18	SWE-bench VerifiedCoding · stale since 2026-02-26 · as “Kimi K2 Thinking”	Coding	63.4%	39
19	Aider PolyglotCoding · stale since 2025-10-03 · as “Kimi K2”	Coding	59.1%	50
56	MMLU-ProReasoning · stale since 2026-03-11 · as “Kimi-K2-Instruct”	Reasoning	81.0%	100

Versions and release history

4 versions in this line since Nov 6, 2025, from Pricing, OpenRouter and the boards.

Category ranks, more models and catalog changes