Moonshot AI · llm model
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.
Reported Last verified · All models · JSON · Markdown
- ReleasedOct 23, 2026
- Context window1.05M1,048,576 tokens
Modalities not verified
Key facts
| Fact | Value | Source |
|---|---|---|
| Vendor | Moonshot AI | n/a |
| Released | Oct 23, 2026 Vercel's AI Gateway changelog, dated Oct 23, 2026, lists both models as available that day. Moonshot's launch blog names Highspeed as released with K3.1 Pro but carries no date. | source |
| Status | generally available | n/a |
| API id | kimi-k3.1-pro-highspeed | source |
| 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. | source |
| 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. | source |
Where Kimi K3.1 Pro Highspeed sits in our data
- Released Oct 23, 2026 (week 43 of 2026), in October 2026. Other models in our data released that month: GPT-6.1 Terra, Kimi K3.1 Pro, Nemotron 3.5 Bolt E4B (4GB), Voxtral 3, Mercury 3, MiniMax M3.1 Flash.
- The previous Moonshot AI model we track is Kimi K3 (Jul 16, 2026), 99 days earlier.
- Of the 60 models in our data with a published context window, Kimi K3.1 Pro Highspeed has the number 12 largest (1.05M tokens). Our data is not every model on the market.
- All releases by date: AI model releases by month · new AI models this week. Choosing for code: best LLM for coding.
How Kimi K3.1 Pro Highspeed differs from Kimi K3.1 Pro
Read from the recorded facts of the two models, not from a head-to-head test. We have not run either.
- Listed price is $4 in and $20 out, against $2 in and $10 out for Kimi K3.1 Pro (per 1M tokens).
- Both list a 1.05M-token context window.
- Both were released on Oct 23, 2026.
- Facts for the other model: Kimi K3.1 Pro.
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 on this page is Reported from the sources below. When we do test it, the scope will be stated here and in our test logs. See methodology.
Not verified, left out
We could not confirm these on a vendor page, so we do not state them.
- 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
More from Moonshot AI
- Kimi K3.1 Pro (Oct 23, 2026)
- Kimi K3 (Jul 16, 2026)