Kimi K3.1 Pro
language modelMoonshot AI
Kimi K3.1 Pro is Moonshot AI's flagship open-weight multimodal reasoning model and a post-trained successor to Kimi K3, with a 1M-token context window. It is built for long-horizon coding, 3D...
Key facts
| Made by | Moonshot AI |
|---|---|
| Type | language model |
| Released | October 23, 2026 |
| Reads at once | 1,048,576 tokens |
| Price (API, per million tokens) | $2 in · $10 out |
| Input → output | text, image, video → text |
Questions about Kimi K3.1 Pro
Who makes Kimi K3.1 Pro?
Kimi K3.1 Pro is made by Moonshot AI.
When was Kimi K3.1 Pro released?
We first saw Kimi K3.1 Pro listed on October 23, 2026.
How much does Kimi K3.1 Pro cost?
Through OpenRouter it costs $2 per million input tokens and $10 per million output tokens. Prices change, so check the provider before you build on it.
How much text can Kimi K3.1 Pro read at once?
Up to 1,048,576 tokens, roughly 786.4K words.
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