Introducing Kimi K3.1 Pro
Simon Willison · Oct 23, 2026 · 3:40 PM ET
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 hits, which are priced the same). The US dollar pricing is $2.00/million tokens for input and $10/million for...
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Rules judge: AI item; Topics: open source; Source: Simon Willison.
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