# Kimi K3.1 Pro Highspeed

Kimi K3.1 Pro Highspeed is a Moonshot AI language model released Oct 23, 2026; Moonshot AI's newest language model in our dataset is Kimi K3.1 Pro. The faster serving tier of Kimi K3.1 Pro: Moonshot says it delivers 2 to 3 times the output speed for interactive coding and agents, at twice the per-token price, launched alongside K3.1 Pro on Oct 23, 2026. Verified against vendor sources on Oct 26, 2026.

Last verified: 2026-10-26 · Evidence: Reported · Canonical: https://theagenticweekly.com/models/kimi-k3-1-pro-highspeed · JSON: https://theagenticweekly.com/api/models/kimi-k3-1-pro-highspeed

## Key facts

| Fact | Value | Source |
|---|---|---|
| Vendor | Moonshot AI |  |
| Released | Oct 23, 2026 | https://vercel.com/changelog/kimi-k3-1-pro-and-kimi-k3-1-pro-highspeed-are-available-now-in-ai-gateway |
| API id | `kimi-k3.1-pro-highspeed` | https://www.kimi.ai/blog/kimi-k3-1-pro |
| Context window | 1,048,576 tokens (1.05M). Both K3.1 Pro models support a 1,048,576-token context window per Moonshot's pricing page. | https://www.kimi.ai/resources/kimi-k3-1-pro-pricing |
| Pricing | $4 in / $20 out per 1M tokens. Twice the standard K3.1 Pro input and output rate; the cached-input rate is the same. Rates checked by Moonshot on Oct 24, 2026. | https://www.kimi.ai/resources/kimi-k3-1-pro-pricing |

## Notes

- Standard Kimi K3.1 Pro: see /models/kimi-k3-1-pro. The weights Moonshot promised by Nov 4, 2026 are for K3.1 Pro; we have not verified a license for Highspeed.

## What we tested

Nothing yet. We have not run Kimi K3.1 Pro Highspeed ourselves, so every fact here is Reported from the sources below.

## Not verified, left out

- Moonshot has not published separate benchmark results for Highspeed; it describes it as the same model as K3.1 Pro served 2 to 3 times faster.
- Input and output modalities were not confirmed on Moonshot's own pages.

## Sources

- [Kimi K3.1 Pro blog](https://www.kimi.ai/blog/kimi-k3-1-pro)
- [Kimi K3.1 Pro pricing page](https://www.kimi.ai/resources/kimi-k3-1-pro-pricing)
- [Vercel AI Gateway changelog](https://vercel.com/changelog/kimi-k3-1-pro-and-kimi-k3-1-pro-highspeed-are-available-now-in-ai-gateway)

Data licence: CC BY 4.0. Data: Agentic Weekly (https://theagenticweekly.com), CC BY 4.0.