Providers / Kimi / Kimi K3.1 Pro
Kimi K3.1 Pro API Cost Calculator
Kimi K3.1 Pro costs $2 per 1M input tokens and $10 per 1M output tokens at official Kimi API prices, verified 2026-10-26. Estimate your own usage below — the calculator is preset to this model.
Calculate your Kimi K3.1 Pro cost →Paste text to count tokens instead
Cost per call
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Estimated monthly cost
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Official price vs gateway price
| Where | Input / 1M | Output / 1M |
|---|---|---|
| Official API | $2 | $10 |
Kimi K3.1 Pro is priced above at the official list rate. We have not found a gateway that sells it cheaper with a verifiable public price, so no gateway row is shown — we never estimate one.
Using open-weight models instead (DeepSeek, Qwen, Llama, gpt-oss)? See our Novita AI gateway prices, or go toNovita AI (affiliate).Disclosure.
Kimi K3.1 Pro price facts
| Input | $2 per 1M tokens |
|---|---|
| Output | $10 per 1M tokens |
| Cached input | $0.2 per 1M tokens |
| Batch tier | Not published |
| Context window | 1,048,576 tokens |
| Released | — |
| Price verified | 2026-10-26 · source |
What Kimi K3.1 Pro costs in practice
| Workload | Per call | Per month |
|---|---|---|
| Chat assistant 2,000 input / 500 output tokens per call, 10,000 calls a month | $0.009 | $90.00 |
| Document processing 50,000 input / 2,000 output tokens per call, 1,000 calls a month | $0.12 | $120.00 |
| Agent loop with prompt caching 10,000 fresh input / 100,000 cached input / 2,000 output tokens per call, 500 calls a month | $0.06 | $30.00 |
Frequently asked questions
How much does Kimi K3.1 Pro cost per month?
It depends entirely on token volume. As worked examples: a chat assistant doing 10,000 calls a month costs $90.00, while a document pipeline doing 1,000 long calls costs $120.00. Use the calculator on this page with your own numbers for an exact figure. Prices are official rates verified 2026-10-26.
Is Kimi K3.1 Pro cheaper than Kimi K2.6?
At a blended workload of 1M input and 250K output tokens, Kimi K3.1 Pro costs $4.50 and Kimi K2.6 costs $1.95 — so Kimi K2.6 is cheaper at this mix. The answer can flip if your workload is mostly output or mostly cached input.
Does Kimi K3.1 Pro have batch or caching discounts?
No published batch rate in our sources. Cached input is billed at $0.2 per 1M tokens. Prices verified 2026-10-26. We do not invent unpublished rates.
Are these official prices or gateway prices?
Kimi K3.1 Pro on this page uses official Kimi API prices from the provider's public pricing page. Gateway reseller rates, when shown elsewhere on the site, are labeled separately.
Related
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Closest in cost for 1M input + 250K output tokens (standard tier), listed by price.
- GPT-6.1 Sol — $2 / $10 per 1M tokens ($4.50 for that workload)
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- Gemini 4 Argon — $2 / $10 per 1M tokens ($4.50 for that workload)
- GPT-6 Sol — $2 / $10 per 1M tokens ($4.50 for that workload)