Moonshot AI · AI model API pricing
How much does Kimi K3 cost?
Moonshot's frontier model — priced identically to Claude Sonnet 5 ($3/$15), with a 1M-token context window.
Rate card
| Input tokens | $3 / 1M |
| Cached input | $0.30 / 1M |
| Output tokens | $15 / 1M |
| Context window | 1M |
What that means per month
| Workload | Tokens / month | Cost / month |
|---|---|---|
| Prototype | 1M in · 0.3M out | $7.50/mo |
| Small app | 10M in · 3M out | $75/mo |
| Production app | 50M in · 15M out | $375/mo |
| High volume | 200M in · 60M out | $1,500/mo |
| Heavy platform | 1B in · 300M out | $7,500/mo |
Standard on-demand rates from Moonshot AI's official pricing docs, last checked 2026-07-17. Cache-hit input bills at $0.30 per 1M. Monthly figures exclude caching and batch discounts. Confirm live pricing before committing.
Cheaper alternatives
At a reference workload of 10M input / 3M output tokens a month, these cost less than Kimi K3 ($75/mo):
-
Claude Sonnet 5 $75/mo -
GPT-5.6 Terra $70/mo -
Gemini 3.1 Pro $56/mo