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Kimi K2 Thinking
open sourceMoonshot AI model, released 6 Nov 2025.
$0.6
per 1M input tokens
$2.50
per 1M output tokens
$0.15
per 1M cached-read tokens
Price history
Price stable since we started tracking (7 Jul 2026). History will chart here as soon as it moves.
Specifications
- Lab
- Moonshot AI
- Released
- 6 Nov 2025
- Context window
- 262k tokens
- Max output
- 100k tokens
- Input modalities
- text
- Output modalities
- text
- Knowledge cutoff
- —
- Open source
- Yes
Benchmarks
| Benchmark | Category | Score | As of |
|---|---|---|---|
| LMArena (Chatbot Arena) | coding | 1453.3 (1447.8–1458.8) | 12 Aug 2026 |
| LMArena (Chatbot Arena) | overall | 1414.3 (1411.2–1417.4) | 12 Aug 2026 |
LMArena (Chatbot Arena) data © their authors, CC-BY-4.0
Frequently asked questions
How much does Kimi K2 Thinking cost?
Kimi K2 Thinking costs $0.6 per 1M input tokens and $2.50 per 1M output tokens (list price, updated every 6 hours).
What is Kimi K2 Thinking's context window?
Kimi K2 Thinking supports a 262k-token context window with up to 100k output tokens.