As of Oct 24, 2026, Kimi K3.1 Pro costs $2.00 per million input tokens and $10.00 per million output tokens from Moonshot AI. None of its 4 sellers is cheaper than Moonshot AI. No price change since Appndo started tracking it on Oct 24, 2026. Recent price changes
Where to buy it (4)
Sorted by your monthly estimate. Prices per million tokens. Moonshot AI also lists cache writes $2.00 and up to 1.05M output tokens per request.
Moonshot AIOfficial
- Input / output
- $2.00 / $10.00
- Context
- 1.05M
- Per month
- $40.00
kimi-k3.1-pro
- Input / output
- $2.00 / $10.00
- Context
- 1.05M
- Per month
- $40.00
moonshotai/kimi-k3.1-pro
- Input / output
- $2.00 / $10.00
- Context
- 1.05M
- Per month
- $40.00
moonshotai/kimi-k3.1-pro
- Input / output
- $3.00 / $15.00
- Context
- 1M
- Per month
- $60.00
kimi-k3-1-pro
Cloud and hosted sellers may add regional pricing, minimums or platform fees. Supports: Vision, Reasoning, Tool calling.
Similar models
Common questions
How much does the Kimi K3.1 Pro API cost?
As of Oct 24, 2026, Kimi K3.1 Pro costs $2.00 per million input tokens and $10.00 per million output tokens at Moonshot AI's official price. Cached input costs $0.20 per million tokens.
Where is Kimi K3.1 Pro cheapest?
As of Oct 24, 2026, none of its 4 sellers charges less than Moonshot AI's official price.
What is the context length of Kimi K3.1 Pro?
Kimi K3.1 Pro takes up to 1.05M tokens of context through Moonshot AI's API; the limit differs between sellers.
How does Kimi K3.1 Pro compare with similar models?
Kimi K3.1 Pro has no LMArena score yet. Other Moonshot AI models and their cheapest price per million input / output tokens: Kimi K2.5 ($0.45 / $2.25), Kimi K2.6 ($0.65 / $3.41), and Kimi K2 Thinking ($0.80 / $1.20).