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Kimi 3.1 Pro ships Fable-5.1-class open weights and a faster Highspeed API

Latent Space covered the Kimi 3.1 Pro 104BA-2.8T release, reporting Fable-5.1-class open weights that narrow the lead of closed AI models to about a month, alongside a Pro Highspeed API offering 2-3x faster speeds.

Heat 0.0 3 reports 3 sources Since Updated Out of the hot window
  1. Latent Space[AINews] Kimi 3.1 Pro 104BA-2.8T: Fable-5.1-Class Open Weights narrows Closed-AI lead to 1 month... and Pro Highspeed API with 2-3× speed
  2. MarkTechPostMoonshot AI Releases Kimi K3.1 Pro: A 2.8T Total/104B Active Params (MoE) Model with 1M Context
  3. The DecoderChinese AI model Kimi K3.1 Pro is closing in on Anthropic's Claude Opus 5.5