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Introducing Kimi K3.1 Pro

Kimi K3.1 Pro landed on the Kimi API today - it's not yet open weights, but Moonshot promise "Full model weights will be released by Nov 4, 2026". They're also offering a "Highspeed" version that's 2-3x faster, at twice the price (except for input token cache…

Preview courtesy of Simon Willison. The full article opens on their site.

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