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Kimi K3.1 Pro

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EVENT TIMELINE

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MODELS · 1 SOURCE · The Decoder

Chinese AI labs reportedly shift to OpenAI's GPT-6 Astra after Anthropic tightens defenses

According to The Information, Chinese AI labs including DeepSeek and Moonshot AI have leaned on outputs from OpenAI's GPT-6 Astra to train recent models (reported examples include Kimi K3.1 Pro and V4.1-Flash 1017). The practice — a form of model distillation that can require eliciting hidden reasoning — has become more common after Anthropic says new defenses reduced extractable data from Claude by 90–99%; OpenAI also reported a coordinated distillation campaign in late September involving people it linked to Moonshot.

7.0

MODELS · 1 SOURCE · The Decoder

Artificial Analysis overhauls Intelligence Index v5; Kimi K3.1 Pro falls to ninth

Artificial Analysis released a revamped Intelligence Index (v5) that uses 60% private test sets, widening the score gap between open and closed models to 12 points (from 3). The update dropped Kimi K3.1 Pro from fourth to ninth and also cut Grok 4.7’s score by 12 points; the AA team revised ambiguous items in its AA-Omniscience knowledge test for the new index.

7.0

MODELS · 1 SOURCE · The Decoder

Moonshot releases Kimi K3.1 Pro, climbs to #4 on Artificial Analysis index

Moonshot AI has released Kimi K3.1 Pro, a post‑trained update to Kimi K3 that scores 55 points on the Artificial Analysis Intelligence Index (an 11‑point gain), placing it fourth and three points behind top proprietary models such as Claude Opus 5.5. The model keeps 2.8 trillion parameters (104B active), a 1M‑token context window, ships a faster ‘Highspeed’ variant, cuts API token prices by ~33%, and the company says it plans to release model weights by November 4, 2026.

7.0