Kimi K2 Thinking API Cost Calculator
Estimate your monthly API costs for Kimi K2 Thinking from Moonshotai.
Pricing per 1M tokens
Pricing last verified: Mar 21, 2026
30-Day Price History
Solid line: input price · Dashed line: output price
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Cost Breakdown
Compare with Similar Models
| Model | Input/1M | Output/1M |
|---|---|---|
| Kimi K2 0905 Moonshotai | $0.4000 | $2.00 |
| Kimi K2.5 Moonshotai | $0.4500 | $2.20 |
| Kimi K2 0711 Moonshotai | $0.5500 | $2.20 |
| Cogito v2.1 671B Deepcogito | $1.25 | $1.25 |
| Aion-2.0 Aion Labs | $0.8000 | $1.60 |
Frequently Asked Questions
How much does Kimi K2 Thinking cost per token?
Kimi K2 Thinking is priced at $0.4700 per 1M input tokens and $2.00 per 1M output tokens. Use the calculator above to estimate your monthly costs based on your usage volume.
What is the context window for Kimi K2 Thinking?
Kimi K2 Thinking has a context window of 131.1K tokens (131,072 tokens).
Does Kimi K2 Thinking support function calling (tool use)?
Yes, Kimi K2 Thinking supports function calling (also called tool use). You can define custom functions that the model can invoke as part of its responses.
How does Kimi K2 Thinking compare to similar models?
Kimi K2 Thinking costs $0.4700 input and $2.00 output per 1M tokens. Kimi K2 0905 is less expensive at $0.4000 input and $2.00 output per 1M tokens. See the "Compare with Similar Models" table above, or visit the Kimi K2 0905 page at /tools/cost-calculator/moonshotai/kimi-k2-0905.