Prices and claims are what each story reports; a company’s own benchmark stays a company claim. The claim check compares each maker’s main claim with an independent test that our story cites. Released models so far: 13 backed, 13 mixed, 15 not checked yet.

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November 2026

Nov 4
Kimi K3.1 Pro weightsMoonshot AIReleasedOpen weightsCopy the link to this entry
Moonshot published the full weights on Hugging Face, as it promised, under its own licence. Businesses selling model access with over $20 million in yearly revenue need a separate deal.
Claim check: MixedArtificial Analysis puts it first on Terminal-Bench 4.0, at 67%, which backs Moonshot’s coding claim. But it scores 46 overall on Index v5, the highest for an open model and 12 points behind Claude Opus 5.5.
Kimi K3.1 Pro’s weights are out, and Tencent launches Hy4

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An entry appears when one of our stories covers a model launch, a preview, a reported plan, or a model becoming available on a new platform. A claim is Backed when an outside test supports it, Mixed when it holds only in part or only in some settings, and Disputed when an outside test contradicts it. The date is the one the story gives; when a story gives none, it is the story’s own date. We add entries with each edition and correct them under the story when a fact changes.

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