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Kimi K2.5OPEN
Kimi K2.5 (Moonshot AI): live API pricing, context window and the best open-source alternatives, tracked daily by OpenSourceAI.tech.
Prices update automatically — checked hourly against provider list prices.
Benchmarks & performance
Independent benchmark scores for Kimi K2.5, measured by Artificial Analysis. Higher is better. Measurement mode: Reasoning.
For the same budget, Kimi K2.5 delivers 4.8 times more capability. Open weights also mean you can self-host it and pay nothing per token.
About this model
Kimi K2.5 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 hourly, for when you prefer convenience over self-hosting.
Frequently asked questions
What is Kimi K2.5?
Kimi K2.5 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. It scores 35.4 on the Artificial Analysis intelligence index.
Is Kimi K2.5 free?
The weights are free and open — you can self-host Kimi K2.5 and pay nothing per token. If you prefer a hosted API, list prices are $0.57 per million input tokens and $2.85 per million output tokens.
What is Kimi K2.5 good at?
Independent benchmarks from Artificial Analysis give it GPQA 87.9%, Humanity's Last Exam 29.4%, Long Context Reasoning 65.3%, SciCode 49%, IFBench 70.2%, τ²-Bench 95.9%, τ-Bench Banking 14.2%, Terminal-Bench 45.7%, Terminal-Bench Hard 34.8%. It is particularly used for code generation.
Can I self-host Kimi K2.5?
Yes. Kimi K2.5 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.
Open-source alternatives
Depending on your workload, an open-weight model that you can self-host may cut costs dramatically or remove per-token pricing entirely. Our comparison pages put this model side by side with the strongest open-source contenders.