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Moonshot AI · October 2026

Kimi API pricing, every model

8 Kimi models, from $0.50 to $2 per million input tokens. Kimi models from Moonshot AI, popular for long agentic runs.

Prices from OpenRouter’s models API, updated October 29, 2026

Cheapest

Kimi K2.5

$0.50 in · $2.50 out

About $52.50 a month for a 1,000-chats-a-day support bot.

Newest

Kimi K3.1 Pro

$2 in · $10 out

Released 2026-10-23, 1.05M tokens of context.

Caching

Kimi K3.1 Pro

−90%

Cached input costs $0.20 instead of $2 per 1M tokens.

All Kimi models and prices

ModelReleasedInput /1MOutput /1MCache read /1MBatch in / outContextChatbot, per month*
Kimi K3.1 Pro2026-10-23$2$10$0.20–1.05M$210
Kimi K32026-07-16$0.192$15$0.182$2.28 / $11.401.05M$189
Kimi K2.7 Code2026-06-12$0.56$3.10$0.15–262K$62.40
Kimi K2.62026-04-20$0.65$3.41$0.15–262K$70.17
Kimi K2.52026-01-27$0.50$2.50$0.15–262K$52.50
Kimi K2 Thinking2025-11-06$0.60$2.50$0.15–262K$57.00
Kimi K2 09052025-09-04$0.60$2.50––262K$57.00
Kimi K2 07112025-07-11$0.57$2.30––131K$53.25

* Support chatbot: 1,000 chats a day, 1,500 tokens in, 400 out, 30 days, no caching. Prices in US dollars per 1M tokens.

What three real workloads cost a month

ModelSupport chatbotDaily summariesCoding agent
Kimi K2.5$52.50$675$218
Kimi K2 0711$53.25$720$466
Kimi K2 Thinking$57.00$765$233
Kimi K2 0905$57.00$765$492
Kimi K2.7 Code$62.40$783$241
Kimi K2.6$70.17$892$262
Kimi K3$189$1,523$492
Kimi K3.1 Pro$210$2,700$643

Support chatbot: 1,000 chats a day, 1,500 tokens in, 400 out · Daily summaries: 10,000 a day, 3,000 tokens in, 300 out · Coding agent: 400 calls a day, 60,000 tokens in (80% cached), 2,000 out. Cached share billed at the cache-read price where the model has one.

Compare with other providers

Kimi pricing questions

How much does the Kimi API cost?

Moonshot AI’s models range from $0.50 per 1M input tokens and $2.50 per 1M output tokens (Kimi K2.5) to $2 and $10 (Kimi K3.1 Pro). The newest, Kimi K3.1 Pro, costs $2 in and $10 out.

Which Kimi model is the cheapest?

Kimi K2.5, at $0.50 per 1M input tokens. A support chatbot doing 1,000 chats a day would cost about $52.50 a month on it.

Does Moonshot AI discount cached prompts?

Yes. On Kimi K3.1 Pro, cached input costs $0.20 per 1M tokens instead of $2, 90% less. Long, repeated system prompts and agent loops benefit most.

Is there a batch discount?

1 Kimi models have a batch price, typically half the normal rate, for jobs that can wait (up to 24 hours). See the Batch column below.

How do I track my Kimi spend per product?

Route it through OpenRouter with one API key per product and connect OpenRouter to Glow: you get spend by model, API key and product every day, with cache hit rate. Track AI spend.

See your real Kimi bill.

Glow shows what you actually spend by model, API key and product, every day, and which cheaper model would do the same job.

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