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Kimi K3OPEN
Kimi K3 is a 2.8T parameter open-weight multimodal reasoning model from Moonshot AI.
Prices update automatically — checked daily against provider list prices.
- $5.14 per 1M tokens, assuming 3 input for 1 output the convention used by Artificial Analysis
- cheaper than 1% of the 200 open-weight models tracked here
- 9 of 9 Moonshot AI models tracked here, from cheapest
Benchmarks & performance
Independent benchmark scores for Kimi K3, measured by Artificial Analysis. Higher is better. Measurement mode: Max.
About this model
Kimi K3 is an open-weight AI model by Moonshot AI. You can download and self-host it for free; the prices below are hosted-API list prices, tracked daily, for when you prefer convenience over self-hosting.
Frequently asked questions
What is Kimi K3?
Kimi K3 is an AI language model from Moonshot AI. It is open-weight: you can download it and run it on your own hardware, for free.
Is Kimi K3 free?
The weights are free and open — you can self-host Kimi K3 and pay nothing per token. If you prefer a hosted API, list prices are $0.18 per million input tokens and $20 per million output tokens.
What is Kimi K3 good at?
Independent benchmarks from Artificial Analysis give it GPQA 93.5%, Humanity's Last Exam 46.9%, Long Context Reasoning 88.7%, SciCode 59.5%, τ-Bench Banking 46%, Terminal-Bench 85%. It is particularly used for code generation.
Can I self-host Kimi K3?
Yes. Kimi K3 has open weights, so you can download it and run it on your own GPU or server with tools like Ollama, vLLM or llama.cpp — with no per-token cost.