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Moonshot releases Kimi K3.1 Pro, claims lead over GPT-6 Astra

By PulseAugur Editorial · [1 sources] ·

Moonshot, a Chinese AI lab, has launched Kimi K3.1 Pro, an enhanced iteration of its Kimi K3 model. This new version reportedly achieves a 65.7% score on the Terminal-Bench 4.0 coding test, surpassing GPT-6 Astra and narrowly trailing Claude Opus 5.5, according to Moonshot's internal evaluations. The model has also been updated to exclude cyberattack training data while maintaining its ability to solve 81% of real-world software flaw exploits. AI

IMPACT Sets new SOTA on coding benchmarks, potentially challenging established models like GPT-6 Astra and Claude Opus 5.5.

RANK_REASON Frontier-lab model release with system card. [lever_c_demoted from frontier_release: ic=1 ai=1.0]

Read on Mastodon — mastodon.social →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Moonshot releases Kimi K3.1 Pro, claims lead over GPT-6 Astra

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15 / 100
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Significant
Frontier-lab model release with system card. [lever_c_demoted from frontier_release: ic=1 ai=1.0]
Source corroboration
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model release, product
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High
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Breaking (< 6h)
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COVERAGE [1]

  1. Mastodon — mastodon.social TIER_1 English(EN) · [email protected] ·

    Chinese AI lab Moonshot has released Kimi K3.1 Pro, an upgraded version of its open-weight Kimi K3, with full weights promised by 4 November. It scored 65.7% on

    Chinese AI lab Moonshot has released Kimi K3.1 Pro, an upgraded version of its open-weight Kimi K3, with full weights promised by 4 November. It scored 65.7% on the Terminal-Bench 4.0 coding test, ahead of GPT-6 Astra but just behind Claude Opus 5.5, on Moonshot's own unaudited f…

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