Moonshot AIopen weightsKimi K3 pricing
$0.30 per 1M input tokens and $11.94 per 1M output tokens. In real work that is 1.6¢ per chat answer and 3.0¢ to summarize a 20-page PDF.
Official price at Moonshot (Kimi): $3.00 / $15.00 per 1M, cached $0.30 (source, verified Oct 18, 2026). OpenRouter lists $0.30 / $11.94, which is the cheapest route across its hosts - lower than the official price.
What Kimi K3 costs per task
Token counts estimated from a measured model of the same lab (Mistral Large 4), rescaled by tokenizer. Reasoning tokens are billed as output.
| Task | Cost | Tokens used | Price rank | Basis |
|---|---|---|---|---|
| Answer a chat question | 1.6¢$16.32 / 1,000 | 39 in · 512 out · 854 reasoning | 296 of 336 | estimated |
| Reply to a customer email | 4.2¢$42.25 / 1,000 | 249 in · 587 out · 2,946 reasoning | 334 of 336 | estimated |
| Write a 1,500-word blog post | 9.2¢$92.26 / 1,000 | 53 in · 2,023 out · 5,705 reasoning | 313 of 336 | estimated |
| Write 10 product descriptions | 3.7¢$36.63 / 1,000 | 279 in · 832 out · 2,230 reasoning | 296 of 336 | estimated |
| Translate 1,000 words | 14¢$145 / 1,000 | 1,322 in · 1,291 out · 10,816 reasoning | 326 of 336 | estimated |
| Proofread one page (500 words) | 4.9¢$49.44 / 1,000 | 716 in · 843 out · 3,281 reasoning | 321 of 336 | estimated |
| Summarize a 20-page PDF | 3.0¢$29.85 / 1,000 | 13,113 in · 148 out · 2,019 reasoning | 257 of 336 | estimated |
| Extract data from an invoice | 3.2¢$31.60 / 1,000 | 366 in · 854 out · 1,784 reasoning | 314 of 336 | estimated |
| Analyze a 200-row spreadsheet | 13¢$128 / 1,000 | 4,681 in · 4,438 out · 6,174 reasoning | 290 of 336 | estimated |
| Answer from 5 retrieved documents (RAG) | 3.9¢$39.15 / 1,000 | 3,698 in · 205 out · 2,981 reasoning | 308 of 336 | estimated |
| Classify 100 support tickets | 8.8¢$88.47 / 1,000 | 1,249 in · 815 out · 6,565 reasoning | 324 of 336 | estimated |
| Review 500 lines of code | 11¢$110 / 1,000 | 4,567 in · 1,563 out · 7,522 reasoning | 294 of 336 | estimated |
| Write a SQL query | 3.8¢$37.61 / 1,000 | 118 in · 501 out · 2,647 reasoning | 318 of 336 | estimated |
| Run a 50-step coding agent | $2.24$2,243 / 1,000 | 2,259,875 in · 15,150 out · 132,350 reasoning | 293 of 336 | modeled |
Price at every provider
List prices per 1M tokens (input / output) at each host serving Kimi K3 through OpenRouter today. Hosts can differ in quantization, context and speed.
| Provider | Input / output | Cached input | Context | Uptime |
|---|---|---|---|---|
| S Sail Researchfp4 | $0.50 / $8.10 | $0.18 | 1M | 100% |
| D Decartmxfp4 | $1.65 / $8.25 | $0.17 | 1M | 100% |
 Chutesmxfp4 | $1.85 / $9.50 | $0.18 | 1M | |
| W Wafermxfp4 | $0.36 / $11.90 | $0.36 | 1M | 100% |
| I InferenceNetfp4 | $0.30 / $11.94 | $0.21 | 1M | 100% |
| M Makorafp4 | $1.53 / $12.75 | $0.20 | 1M | 100% |
| P Phalaunknown | $2.55 / $12.75 | $0.26 | 1M | 100% |
| S Sail Researchfp4 | $0.84 / $13.50 | $0.30 | 1M | 100% |
| D DigitalOceanunknown | $2.55 / $12.95 | $0.26 | 1M | 100% |
| R Relacefp4 | $0.27 / $14.00 | $0.27 | 1M | 100% |
| A AkashMLfp4 | $1.20 / $14.00 | $1.20 | 1M | |
| M Morphfp8 | $0.42 / $14.90 | $0.19 | 1M | 100% |
 DeepInframxfp4 | $2.85 / $14.25 | $0.28 | 1M | 100% |
| I InferenceNetfp4 | $2.49 / $15.00 | $0.35 | 1M | 100% |
 Parasailfp4 | $3.00 / $15.00 | $0.30 | 1M | 100% |
 Amazon Bedrockunknown | $3.00 / $15.00 | $0.30 | 1M | 100% |
Parasailfp4 | $3.00 / $15.00 | $0.30 | 1M | 93% |
| M Modalmxfp4 | $3.00 / $15.00 | $0.30 | 1M | 100% |
 Togetherunknown | $3.00 / $15.00 | $0.30 | 1M | 100% |
 Fireworksunknown | $3.00 / $15.00 | $0.30 | 1M | 100% |
| B BaseTenfp8 | $3.00 / $15.00 | $0.30 | 1M | 100% |
Moonshot AImxfp4 | $3.00 / $15.00 | $0.30 | 1M | 100% |
| W Wafermxfp4 | $0.28 / $16.00 | $0.27 | 1M | 100% |
 Alibabaunknown | $3.45 / $17.25 | $0.34 | 1M | 100% |
Fireworksunknown | $4.50 / $22.50 | $0.45 | 1M | 100% |
Fireworksunknown | $4.50 / $22.50 | $0.45 | 1M | 100% |
Price history
First seen in our price history on Jul 17, 2026 at $3.00 input / $15.00 output. Since then the output price moved from $15.00 to $11.94 per 1M tokens (6 changes).
FAQ
How much does Kimi K3 cost?
Kimi K3 costs $0.30 per 1 million input tokens and $11.94 per 1 million output tokens, with cached input at $0.21 (list price on Oct 18, 2026). In practice one chat answer costs about 1.6¢ and summarizing a 20-page PDF about 3.0¢.
Where is Kimi K3 cheapest?
Among 26 providers we track, the lowest list price today is at Sail Research: $0.50 input and $8.10 output per 1M tokens.
Does Kimi K3 charge for reasoning tokens?
Yes. Reasoning (thinking) tokens are billed as output tokens. That is why the cost per task can be much higher than the visible answer suggests - our task costs include them.
Is the Kimi K3 cost per task measured or estimated?
Estimated: Kimi K3 was not run directly. Tokens come from Mistral Large 4 and are rescaled by the tokenizer of Moonshot AI. Real usage can differ.