Kimi K2 Thinking
language modelMoonshot AI
Kimi K2 Thinking is Moonshot AI’s most advanced open reasoning model to date, extending the K2 series into agentic, long-horizon reasoning. Built on the trillion-parameter Mixture-of-Experts (MoE) architecture introduced in...
Key facts
| Made by | Moonshot AI |
|---|---|
| Type | language model |
| Released | November 6, 2025 |
| Reads at once | 262,144 tokens |
| Price (API, per million tokens) | $0.6 in · $2.5 out |
| Input → output | text → text |
Questions about Kimi K2 Thinking
Who makes Kimi K2 Thinking?
Kimi K2 Thinking is made by Moonshot AI.
When was Kimi K2 Thinking released?
We first saw Kimi K2 Thinking listed on November 6, 2025.
How much does Kimi K2 Thinking cost?
Through OpenRouter it costs $0.6 per million input tokens and $2.5 per million output tokens. Prices change, so check the provider before you build on it.
How much text can Kimi K2 Thinking read at once?
Up to 262,144 tokens, roughly 196.6K words.
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