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Moonshot AI releases Kimi K3.1 Pro open weights with 1M context

By PulseAugur Editorial · [4 sources] ·

Moonshot AI has released the full weights for its Kimi K3.1 Pro model, a 2.8 trillion parameter model with a 1 million token context window, on Hugging Face. This release allows developers to self-host the model, but requires significant computational resources, including multiple data-center GPUs. The model is a mixture-of-experts architecture with vision capabilities and is trained with quantization awareness. While the license is largely permissive, it includes scale conditions for large hosts, and the training data and code are not publicly available. AI

IMPACT Enables self-hosting of a large context window model, potentially lowering costs for high-volume users and offering leverage for API negotiations.

RANK_REASON Frontier-lab model release with system card.

Read on r/LocalLLaMA →

AI-generated summary · Google Gemini · from 4 sources. How we write summaries →

Moonshot AI releases Kimi K3.1 Pro open weights with 1M context

How we ranked this

Signal score
0 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Frontier Release
Frontier-lab model release with system card.
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4 independent sources
Strong cross-source corroboration — multiple independent publishers covered this within the clustering window.
Topics
model release, infra
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High
Clearly on-topic for AI-industry coverage.
Story freshness
6 days old
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Full methodology in our editorial standards.

COVERAGE [4]

  1. dev.to — LLM tag TIER_1 English(EN) · Shivam Kumar ·

    Kimi K3.1 Pro Open Weights: A Developer's Checklist Before You Self-Host a 2.8T Model

    <h1> Kimi K3.1 Pro Open Weights: A Developer's Checklist Before You Self-Host a 2.8T Model </h1> <p>Moonshot AI published the full weights of Kimi K3.1 Pro on Hugging Face on November 4, 2026 — the date it promised at launch. The repo is <code>moonshotai/Kimi-K3.1-Pro</code>: 96 …

  2. r/LocalLLaMA TIER_1 English(EN) · /u/ApprehensiveAd3629 ·

    Kimi-K3.1-Pro is now open-weights

    <table> <tr><td> <a href="https://www.reddit.com/r/LocalLLaMA/comments/1xnrhvb/kimik31pro_is_now_openweights/"> <img alt="Kimi-K3.1-Pro is now open-weights" src="https://external-preview.redd.it/8pxJ_mZEono8vgcxu6JFglJpS83CRqtH6-eQevQ6o4k.png?width=640&amp;crop=smart&amp;auto=web…

  3. Mastodon — mastodon.social TIER_1 Italiano(IT) · [email protected] ·

    🧠 Kimi K3.1 Pro's open weights allow providers to offer powerful AI on their own infrastructure or on-premises. Resources, licensing, and counter-measures matter.

    🧠 I pesi aperti di # Kimi K3.1 Pro permettono ai provider di offrire AI potente su infrastrutture proprie o presso il cliente. Contano risorse, licenza e controllo delle capacità prima del rilascio. 👉 I dettagli: https:// lnkd.in/p/dgRySjc5 ___ ✉️ 𝗦𝗲 𝘃𝘂𝗼𝗶 𝗿𝗶𝗺𝗮𝗻𝗲𝗿𝗲 𝗮𝗴𝗴𝗶𝗼𝗿𝗻𝗮𝘁𝗼/𝗮 𝘀𝘂…

    LINKS linkedin.com/…/alessiopomaro_moonshotai-k… alessiopomaro.it
  4. Mastodon — mastodon.social TIER_1 Deutsch(DE) · [email protected] ·

    RT @scaling01: Kimi-K3.1-Pro is now available as Open-Weights more on Arint.info # AI # HuggingFace # Kimi # MachineLearning # MoonshotAI # OpenWeights # a

    RT @scaling01: Kimi-K3.1-Pro ist jetzt als Open-Weights verfügbar mehr auf Arint.info # AI # HuggingFace # Kimi # MachineLearning # MoonshotAI # OpenWeights # arint_info https://x.com/scaling01/status/2118003733103600085

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