Moonshot AI · Shipped
Kimi K3.1 Pro release date
What we forecast
First forecast on Aug 7, 2026: Aug 16, 2026. Last forecast before launch, on Oct 22, 2026: Nov 23, 2026. It shipped 31 days before that date.
Specs, benchmarks and changelog are on the Kimi K3.1 Pro model card at TPS.
First uncensored version on Hugging Face: pqhaz/Kimi-K3.1-Pro-abliteration-patch-20261105, 13 days after release. 1 uncensored version in total.
Released
Oct 23, 2026
What we know
Available now through the Moonshot/Kimi API at $2 per million input and $10 per million output tokens, with a faster 'Highspeed' variant at twice the price. Moonshot says full weights will be released by Nov 4, 2026, so open weights are not yet published.
Spec
- Params
- Not stated
- Active
- Not stated
- Context
- 1048576 tokens
- Weights
- Open
- Modality
- text, code
- Codename
- Not stated
Every claim
10 from 9 sources- moonshotaiSpotted in the wildNov 2
A Hugging Face repository named Kimi-K3.1-Pro under moonshotai is public as of the document date, but the page states no release date.
- TechmemeRepostOct 25
Techmeme relays VentureBeat's report that Kimi K3.1 Pro has debuted, with scrutiny over undisclosed influencer promotion; no release date is given.
- Kimi Research BlogFrom the labOct 23
Moonshot's research index lists a Kimi K3.1 Pro tech blog dated 2026-10-24, one day after the page date.
- OpenRouter catalogSpotted in the wildOct 23
OpenRouter's catalog lists Kimi K3.1 Pro as now routable (id moonshotai/kimi-k3.1-pro), indicating it is available as of the document date.
- The DecoderPressOct 23
Article says Moonshot plans to release Kimi K3.1 Pro's weights, but gives no date for the release.
- TechmemeRepostOct 23
Techmeme relays Artificial Analysis saying Kimi K3.1 Pro has launched, ranking 4th on its Intelligence Index; open weights are promised later, with no date given.
- SuperCrzy AIRepostJul 30
Kimi K3.1 is coming, Moonshot AI's next open-weight model is expected to launch in August. MIT license expected. A Moonshot researcher has confirmed it's real.
- SalioInsiderJul 30
Kimi K3.1 is targeting an August launch. A Moonshot AI researcher has already confirmed it's coming. Faster inference and lower latency, more reliable coding and autonomous agent workflows, fewer unnecessary reasoning steps. Planned to remain open-weight.
- 0xMarioNawfalRepostJul 30
Kimi K3.1 is confirmed and targeting August. Mythos-level capabilities, open-weight. Faster inference, lower latency, more reliable coding and agentic workflows.
- harshRepostJul 30
Kimi K3.1 is reportedly coming. Targeting an August launch, confirmed by a Moonshot AI researcher, planned to stay open-weight.