Kimi K3.1 Pro — Moonshot's Flagship, Pinned to Zero Data Retention

October 25, 2026

Kimi K3.1 Pro is in the model picker: Moonshot's post-trained successor to Kimi K3, for long-horizon coding, research, and agentic work. It holds a 1M-token context, returns up to 50K output tokens, and every request is pinned to Zero Data Retention hosting. It bills at the Premium band (6×).

What you can do

• Pin Kimi K3.1 Pro from Recommended. It takes Kimi K3's seat on that seven-model strip. Kimi K3 leaves the picker. A chat already on Kimi K3 continues on Kimi K3.1 Pro.
• Start from the new-chat card. It says Kimi K3.1 Pro is live. Try it today. and opens the picker on that row.
• Bring a long job into one context. The model reads up to 1M tokens and can return up to 50K output tokens, with thinking on at maximum effort.
• Use tools. Kimi K3.1 Pro can call Alfrada OS tools and work inside a Swarm.
• Send text and images. The same turn can include a screenshot or a diagram along with the brief.

Where this shows up

You are turning a data room — contracts, a deck, and the model — into a client memo before a meeting. Pin Kimi K3.1 Pro so one thread holds the whole set and the recommendation stays tied to the sources.

You are briefing a founder on whether to proceed with a deal. The model keeps the market notes, the risks, and the ask in one context and comes back with a decision, not a pile of summaries.

You already have an engagement on Kimi K3. Open that chat and the work continues on Kimi K3.1 Pro, with the same conversation and prompts that are not retained.

Try it

• "Read the attached contracts, deck, and financial model. Write a two-page client memo: what the deal is, where the numbers do not match the narrative, and whether we should proceed."
• "Turn this market research into a decision brief for the founder: the opportunity, the three risks that would kill it, and the ask for Monday's meeting."
• "Compare this vendor proposal with our policy and last quarter's actuals. Flag every gap a buyer would challenge, with the page it comes from."

Heads up

• Premium band — 6× tokens. Same band as Kimi K3 and Gemini 4 Argon.
• Zero Data Retention is required. Requests set OpenRouter provider.zdr so only ZDR endpoints are eligible. Both current Moonshot hosts support tools, so none are skipped by name.
• Auto can pick it on Pro Max and Black when the turn is SOTA — long or deep work, Beast effort, or 100+ tools. Quality 67 clears the paid Auto floor (60). Pro's Auto stays inside its curated pool, so pin Kimi K3.1 Pro there when you want it every turn.
• Hidden when EU Data Residency is on. This is a global OpenRouter route, so EU-only accounts do not see it in the picker, Auto, or Swarm.
• No harness numbers yet. Can it Run Alfrada? does not show Kimi K3.1 Pro until it has a full run.