Kimi API pricing
Moonshot AI's Kimi models. Kimi K3.1 Pro, released 23 October 2026, costs $2 / $10 per 1M tokens with a 1M-token context window, less than Kimi K3's $3 / $15. K2 models retire by the end of December 2026.
Kimi K3.1 Pro
New 23 OctJoint 6th cheapest of 12 current frontier models (blended 3:1). Cheapest: DeepSeek V4 Pro, $1.32 / $3.96.
Capability score 162, 8th of 29 current models scored on the Epoch Capabilities Index (range 159–165).
Claude Haiku 5.5 scores level (160) and costs 15× less on a coding agent: $34.59 vs $520 a month.
Source: Epoch Capabilities Index by Epoch AI, CC BY 4.0, read 11 Nov 2026. What the score means
What it costs in practice
Kimi K3.1 Pro at list prices, no batch discount.
| 1,000 chat replies1,500 tokens in and 300 out each | $6.00 |
|---|---|
| Summarising 100 long reports20,000 tokens in and 800 out each | $4.80 |
| A month of a coding agent400 tasks, 85% of input cached | $433 |
The coding-agent example assumes 85% of input is served from cache, typical for agents that resend the same context each step. Work out AI agent cost on Kimi K3.1 Pro
Details
kimi-k3.1-pro- Cache writes cost $2 per 1M tokens for 5 minutes, or $4 for 1 hour.
- The Highspeed variant costs $4 / $20, with cached input at $0.20.
- Moonshot plans to release the weights on 4 November 2026.
Checked 2 Nov 2026 against Kimi API pricing and Let's Data Science (release date) .
Estimate your monthly cost
List prices, no batch discount
| Model | Input / output per 1M | Per month |
|---|---|---|
| Kimi K3.1 Pro | $2.00 / $10.00 | $40.00 |
| Kimi K3 | $3.00 / $15.00 | $60.00 |
| DeepSeek V4 ProCheaper alternative · DeepSeek | $1.32 / $3.96 | $21.12 |
| Gemini 4 ArgonSimilar price · Google | $2.00 / $10.00 | $40.00 |
Type amounts like 500K, 25M or 2B.
Price Kimi K3.1 Pro in: Token cost calculator · AI agent cost · Token counter
Cheaper alternative
DeepSeek V4 Pro (DeepSeek) costs $1.32 / $3.96 per 1M tokens, 51% less than Kimi K3.1 Pro at a 3:1 input-to-output mix. It’s the cheapest current frontier model from another family. Cheaper doesn’t mean as good: test it on your own tasks.
Compare Kimi K3.1 Pro with DeepSeek V4 Pro
Similar price from another provider: Gemini 4 Argon, $2.00 / $10.00. Compare
Compare Kimi K3.1 Pro with
Side by side: prices, cached and batch rates, and the cost of the same workload.
Other Kimi models
Still available through the API
| Model | Input / 1M | Output / 1M | Cached input | Context | Released |
|---|---|---|---|---|---|
Open weights · Source: Kimi API pricing (opens in a new tab) |
$3.00 | $15.00 | $0.30 | 1M | 16 Jul 2026 |
Kimi K2.7 CodeShuts down 31 Dec Open weights · Source: Kimi pricing (opens in a new tab) |
$0.95 | $4.00 | $0.19 | 256K | 12 Jun 2026 |
Kimi K2.6Shuts down 31 Dec Open weights · Source: Kimi API pricing (opens in a new tab) |
$0.95 | $4.00 | $0.16 | 256K | 20 Apr 2026 |
Version details
Kimi K3
$3.00 / $15.00 per 1M tokenscached $0.30 · batch 40% off · 1M context
Checked 2 Nov 2026 against Kimi API pricing and Morph (release date) .
Kimi K2.7 Code
Shuts down 31 Dec$0.95 / $4.00 per 1M tokenscached $0.19 · 256K context
- Moonshot's open-weights coding model, built on Kimi K2.6. A high-speed version costs $1.90 / $8.
- A code-specialised model; excluded from general comparisons and the index.
- Closed to newly registered users since 31 October 2026. Moonshot plans to retire K2 models by the end of December 2026.
Checked 2 Nov 2026 against Kimi pricing .
Kimi K2.6
Shuts down 31 Dec$0.95 / $4.00 per 1M tokenscached $0.16 · 256K context
- Closed to newly registered users since 31 October 2026. Moonshot plans to retire K2 models by the end of December 2026.
Newer option: Kimi K3 at $3.00 / $15.00. Checked 2 Nov 2026 against Kimi API pricing .
Compare Kimi K3.1 Pro
Price history
All changes- Moonshot launched Kimi K3.1 Pro at $2 / $10 per 1M tokens, with cached input at $0.20, a third below Kimi K3's $3 / $15. Source
- Moonshot launched Kimi K3 at $3 / $15. Source
- Moonshot released Kimi K2.7 Code, an open-weights coding model, at $0.95 / $4 per 1M tokens on its API. Source
Coming up
- Moonshot plans to have retired all Kimi K2 models by the end of December. Source
Every upcoming shutdown and price change
Every dated price: price records · CSV. Cite as: AI Token Price, Kimi pricing, https://aitokenprice.com/pricing/kimi#price-history
Moonshot AI pricing rules
- Cached input is billed at a reduced rate.
Questions
How much does Kimi K3.1 Pro cost?
As of 2 Nov 2026, Kimi K3.1 Pro costs $2 per million input tokens and $10 per million output tokens, and $0.20 per million cached input tokens. Batch requests cost 40% less. Prices checked 2 Nov 2026.
How much does Kimi K3 cost?
Kimi K3 costs $3 per million input tokens and $15 per million output tokens, with cached input at $0.30. Checked 2 Nov 2026.
What is Kimi K3.1 Pro's context window?
1M tokens.
Does Kimi K3.1 Pro support prompt caching?
Yes. Repeated input read from the cache costs $0.20 per million tokens, 90% less than normal input.