$0.40 per 1M input tokens and $2 per 1M output tokens (cheapest host: DeepInfra).
There is no free API; the cheapest paid price is $0.40 per 1M input tokens. The weights are open, so you can run it yourself.
#237 of 334 in Chat & Knowledge, #81 of 239 in Coding, #90 of 242 in Agents & Tool Use, #48 of 95 in Writing & Language.
On GPQA Diamond, Kimi K2 0905 scores 76.7 vs 76.6 — about the same.
Through the API of DeepInfra, Featherless, Novita.
256K tokens, with up to 98K output tokens.
Released 2025-09-05. It has been superseded by Kimi K2.5.
Yes, the weights are open (modified-mit licence).
The weights are open and can be self-hosted; hardware needs are not confirmed yet.
No, it accepts text only.
Kimi K2 0905 is an open-weights language model from Moonshot AI, released Sep 2025, the successor to Kimi K2 0711.
MiniMax M3 (cheaper), GPT-5.6 Luna (better), Qwen3.8 2.4T A95B (open weights).