# Kimi K3.1 Pro Highspeed API pricing

Kimi K3.1 Pro Highspeed is an earlier Moonshot AI model, still sold. It costs $4 per million tokens it reads and $20 per million it writes, $8 on a mix of 3 read for each 1 written. Moonshot AI's newest models are Kimi K3.1 Pro. Below are every price Moonshot AI lists for it, and what 8 everyday jobs cost a month on it.

- Page: https://tecyfy.com/prices/kimi-k3-1-pro-highspeed
- Maker: Moonshot AI

## Price per million tokens, in US dollars

| | Price |
| --- | --: |
| Input | $4 |
| Cached input | $0.20 |
| Cache write | $4 |
| Output | $20 |
| Blend, 3 read for each 1 written | $8 |
| Batch input | not listed |
| Batch output | not listed |
| Context window, tokens | 1.05M |
| Longest answer, tokens | not listed |
| Capability score (Epoch Capabilities Index; GPT-5 is 150) | not scored |

## What 8 everyday jobs cost a month

Each job at its usual runs a day, for 30 days, at the standard price.

| Job | Tokens in, out, runs a day | A run | A month |
| --- | --- | --: | --: |
| A chat question | 300, 500, 100 | 1.1 cents | $33.60 |
| A hard question, with thinking | 300, 1,400, 100 | 2.9 cents | $87.60 |
| A long report, summarised | 60,000, 2,000, 20 | 28 cents | $168 |
| A 40-turn agent task | 2,800,000, 40,000, 10 | $2.42 | $727 |
| A support bot's reply | 4,000, 300, 2,000 | 1.4 cents | $864 |
| Sort a message into a category | 250, 5, 50,000 | 0.11 cents | $1,650 |
| Read an invoice into fields | 1,500, 250, 1,000 | 1.1 cents | $330 |
| Review a pull request | 25,000, 4,500, 50 | 19 cents | $285 |

## Questions

### How much does Kimi K3.1 Pro Highspeed cost?

Kimi K3.1 Pro Highspeed costs $4 per million input tokens, the text it reads, and $20 per million output tokens, the text it writes, thinking included. On a mix of 3 tokens read for each 1 written, that is $8 per million.

### How much does cached input cost on Kimi K3.1 Pro Highspeed?

Text Kimi K3.1 Pro Highspeed reads again from the cache costs $0.20 per million tokens, against $4 the first time. Putting text in the cache costs $4 per million, so a long prompt sent again and again costs far less after the first time.

### Does Kimi K3.1 Pro Highspeed have a batch price?

Not on Moonshot AI's price page, which lists no batch price for Kimi K3.1 Pro Highspeed. The cache still lowers the price of text it reads again.

### How good is Kimi K3.1 Pro Highspeed?

Epoch AI has no independent score for Kimi K3.1 Pro Highspeed yet. Run the same 10 tasks of your own on it and on a model you know, and compare the answers and the bills.

### Should I still use Kimi K3.1 Pro Highspeed?

It is still sold, so it keeps working, but Moonshot AI's newest models are Kimi K3.1 Pro. Compare its price with theirs below, and run your own tasks on the newer model before you move.

### What does a support bot cost a month on Kimi K3.1 Pro Highspeed?

At 2,000 replies a day, each reading 4,000 tokens (50 percent of them from cache) and writing 300, a support bot costs 1.4 cents a reply on Kimi K3.1 Pro Highspeed, $864 a month.

### What does an AI agent task cost on Kimi K3.1 Pro Highspeed?

One 40-turn task that reads 2,800,000 tokens in all, 90 percent of them from cache, and writes 40,000, costs $2.42 on Kimi K3.1 Pro Highspeed. At 10 tasks a day that is $727 a month.

## Sources

- [Moonshot AI: API prices](https://platform.kimi.ai/docs/pricing/chat)
- Every model's prices as [JSON](https://tecyfy.com/prices.json) or [CSV](https://tecyfy.com/prices.csv), free to use

## Compare

- [Kimi K3.1 Pro vs Kimi K3.1 Pro Highspeed](https://tecyfy.com/prices/compare/kimi-k3-1-pro-vs-kimi-k3-1-pro-highspeed.md)

## Moonshot AI's other models

- [Kimi K3.1 Pro](https://tecyfy.com/prices/kimi-k3-1-pro.md)
- [Kimi K3](https://tecyfy.com/prices/kimi-k3.md)
- [Kimi K2.7 Code](https://tecyfy.com/prices/kimi-k2-7-code.md)
- [Kimi K2.7 Code Highspeed](https://tecyfy.com/prices/kimi-k2-7-code-highspeed.md)
- [Kimi K2.6](https://tecyfy.com/prices/kimi-k2-6.md)