Moonshot AI releases open-weight Kimi K2 base and instruction models
Moonshot AI published Kimi K2, a trillion-parameter mixture-of-experts family with 32 billion active parameters, open weights and an instruction model designed for tool use and agentic tasks.
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Why it moved the index
Public weights for a large agentic model family materially expanded access to advanced reasoning, coding and tool-use capability outside controlled APIs.
Assessment history
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R1
Toward 55 · confidence 93
New open-weight July 2025 release with exact official repository and model-publication timestamps; no durable collision.
12 Aug 2026
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DoomBench assesses “Moonshot AI releases open-weight Kimi K2 base and instruction models” as evidence moving toward doom, with magnitude 55 and confidence 93 out of 100 in the competitive race category.
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The DoomBench assessment of “Moonshot AI releases open-weight Kimi K2 base and instruction models” is based on reporting from Moonshot AI and records the editorial rationale, source quality, attribution, and revision history.
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DoomBench summarizes “Moonshot AI releases open-weight Kimi K2 base and instruction models” as follows: Moonshot AI published Kimi K2, a trillion-parameter mixture-of-experts family with 32 billion active parameters, open weights and an...
https://www.doombench.com/news/moonshot-ai-releases-open-weight-kimi-k2-base-and-instruction-models-2025-07-11