AI Agents & Coding · Paid

Kimi K3.1 Pro

Moonshot AI's 3T-class reasoning model with a 1M-token context window, sold through Kimi apps, Kimi Code and the Kimi API, with a faster Highspeed variant. Moonshot says full open weights will be released by November 4, 2026.

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AI Agents · Benchmark · Alex Rivera · Oct 23, 2026 · 10 min

Kimi K3.1 Pro Closes the Open-Weight Gap

Moonshot AI's Kimi K3.1 Pro ships with a 1M-token context, $2/$10 per million tokens, and open weights promised by November 4. Independent testing puts it fourth overall and first on Terminal-Bench 4.0.

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