Checked fact 267524 Oct 2026Models and releases

Moonshot describes K3.1 Pro as a post-trained version of Kimi K3 with substantially larger post-training compute.

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The exact words it rests on

Kimi K3.1 Pro is a post-trained version of Kimi K3, with substantially larger post-training compute.

What the source said when we opened it, on 24 Oct 2026.

The source

Introducing Kimi K3.1 Pro
Moonshot AI (Kimi) · 2026-10-23

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Checked

Checked by the notis newsroom on 24 Oct 2026, against the source above.

In the story

Moonshot releases Kimi K3.1 Pro with a 1M-token window and says weights follow by 4 November 24 Oct 2026

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In a sentence

“Moonshot describes K3.1 Pro as a post-trained version of Kimi K3 with substantially larger post-training compute.” ai notis, checked 24 Oct 2026. Source: Introducing Kimi K3.1 Pro (Moonshot AI (Kimi)). https://ainotis.com/c/2675

As a reference (APA style)

ai notis. (2026, October 24). Moonshot describes K3.1 Pro as a post-trained version of Kimi K3 with substantially larger post-training compute [Checked claim 2675]. ai notis. https://ainotis.com/c/2675

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