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Moonshot AI releases Kimi K3.1 Pro weights, opening flagship model for independent deployment

Moonshot AI has published the weights of its 2.8T-parameter Kimi K3.1 Pro on Hugging Face, fulfilling a launch promise made on 23 October 2026. The open-weights flagship reportedly nearly ties Claude Opus 5.5 on agentic coding and has day-zero support on Huawei and Alibaba Cloud hardware.

Read the full story at Techmeme ↗

Timeline · 45 reports

  1. 2026-11-05 07:09 · Pandaily
    Alibaba Cloud Lingjun Zhenwu M890 SuperPoD Adds Day-Zero Support for Kimi K3.1 Pro
  2. 2026-11-05 06:55 · DEV Community — AI
    LongCat-2.5 vs Kimi K3.1 Pro vs DeepSeek: Which New AI Wins?
  3. 2026-11-05 06:01 · TechNode
    Moonshot AI releases Kimi K3.1 Pro model weights
  4. 2026-11-05 02:23 · Pandaily
    Huawei Ascend Adds Day-Zero Support for Kimi K3.1 Pro Across Atlas A3 and Ascend 950 SuperPoDs
  5. 2026-11-04 20:54 · DEV Community — AI
    Moonshot AI's Kimi K3.1 Pro Weights Are Now Open — Explained Honestly
  6. 2026-11-04 17:00 · Vercel Blog
    Kimi K3.1 Pro now has more ZDR providers on AI Gateway
  7. 2026-11-04 16:00 · AlphaSignal
    Moonshot AI Opens Kimi K3.1 Pro Weights to Beat Claude on Coding Agents
  8. 2026-11-04 15:44 · r/LocalLLaMA
    Kimi-K3.1-Pro is now open-weights
  9. 2026-11-04 12:56 · DEV Community — Machine Learning
    Weight-Space Programming
  10. 2026-11-04 12:15 · DEV Community — AI
    Moonshot AI's Kimi 3D Make Builds a Two-Arm Robot Workcell From a Single Prompt
  11. 2026-11-04 10:33 · DEV Community — Machine Learning
    Weight-Space Programming: how GPT-6 Astra edited Qwen's weights and took MATH-500 from 7.9% to 48.1%
  12. 2026-11-04 09:46 · DEV Community — AI
    Build a Same-Prompt Harness: Compare Kimi K3.1 Pro, DeepSeek V4.1 Flash, GPT-5.1, and Qwen3.8 Max on Meeting Notes
  13. 2026-11-04 08:44 · r/LocalLLM
    Deepseek v4–flash-0731,rtx5900+96gb or rtx spark 128gb?
  14. 2026-11-04 03:27 · DEV Community — Machine Learning
    Bagaimana GPT-6 Astra Memperbaiki Qwen3.5-0.8B dengan Mengedit 0,016% Bobotnya
  15. 2026-11-04 02:26 · r/mlscaling
    Sparks of Weight-Space Programming: LLMs can natively read & write neural network weights
  16. 2026-11-03 20:53 · Pandaily
    Huawei Cloud to Retire openPangu-2.0 Models From MaaS, Recommends DeepSeek-V4.1-Flash and GLM-5.3
  17. 2026-11-03 19:26 · r/LocalLLaMA
    DeepSeek V4.1 Flash 1017 can also do Weight-Space Programming
  18. 2026-11-03 19:14 · The Algorithmic Bridge
    The Dawn of a New AI Paradigm: Weight-Space Programming
  19. 2026-11-03 18:48 · r/LocalLLaMA
    I tried MIT's "weight-space programming" on my own use case: Claude rewrote 8 neurons of Gemma 4 12B to change how it translates one Italian tense
  20. 2026-11-03 17:54 · DEV Community — AI
    Weight-Space Programming Works: An LLM Fixed Qwen's Math Loop by Editing 0.016% of Its Weights
  21. 2026-11-03 14:30 · DEV Community — Machine Learning
    GPT-6 Astra Edited Qwen3.5-0.8B's Weights. The MATH-500 Jump Was a Loop Fix
  22. 2026-11-03 14:16 · DEV Community — Machine Learning
    Hydrogen-1.0 MIT Open Weights: Gated BF16, NVFP4 262K Context Cliff, and Vendor FSR vs GPT-6 Astra
  23. 2026-11-03 12:38 · DEV Community — Machine Learning
    What counts as feedback in weight-space programming?
  24. 2026-11-03 11:15 · DEV Community — AI
    Astra’s Weight‑Space Programming: A Practical Guide to Tuning Qwen
  25. 2026-11-03 09:06 · r/LocalLLaMA
    [Paper] Sparks of Weight-Space Programming: LLMs can natively read & write neural network weights
  26. 2026-11-03 05:35 · Analytics India Magazine
    MIT Researchers Show LLMs Can Read and Edit Neural Network Weights Without Retraining
  27. 2026-11-03 05:35 · Latent Space
    [AINews] LLMs can read & write neural network weights: "Weight Space Programming" cuts Autoresearch out of the RSI loop
  28. 2026-11-03 03:59 · r/LocalLLM
    DeepSeek V4.1 Flash (552B) on a used Dell R820 from 2012: 10 tok/s decode, 100 tok/s prefill
  29. 2026-11-03 02:19 · DEV Community — AI
    Kimi K3.1 Pro: 5,315 multilingual test results
  30. 2026-11-03 01:16 · DEV Community — AI
    Kimi K3.1 Pro Highspeed vs Pro: we measured the real speedup
  31. 2026-11-02 22:16 · VentureBeat AI
    'Like gene editing for neural networks': MIT researchers used GPT-6 Astra to edit Qwen's open weights directly, boosting math performance
  32. 2026-11-02 21:36 · r/LocalLLM
    MIT researchers say GPT-6 Astra improved a small Qwen model’s math score from 7.9% to 48.1% by directly editing just 0.016% of its weights, without gradient-based training.
  33. 2026-11-02 21:25 · r/LocalLLaMA
    GPT-6 Astra Edits Qwen Weights: MATH-500 7.9% to 48.1%
  34. 2026-11-02 21:00 · Ethan Mollick (X)
    If this holds up, it is big: "We asked GPT-6 Astra to edit Qwen3.5-0.8B weights to improve math
  35. 2026-11-02 20:18 · r/singularity
    MIT researchers say GPT-6 Astra improved a small Qwen model’s math score from 7.9% to 48.1% by directly editing just 0.016% of its weights, without gradient-based training.
  36. 2026-11-02 20:18 · r/MachineLearning
    Sparks of Weight-Space Programming: LLMs can natively read & write neural network weights [R]
  37. 2026-11-02 20:00 · Techmeme
    Researchers say LLMs can be good at natively reading and writing neural network weights; GPT-6 Astra edited Qwen3.5-0.8B's weights to make it better at math (Rikiya Takehi)
  38. 2026-11-02 19:24 · Lobsters AI
    Sparks of Weight-Space Programming: LLMs can natively read & write neural network weights
  39. 2026-11-02 19:15 · r/LocalLLaMA
    Sparks of Weight-Space Programming: LLMs can natively read & write neural network weights
  40. 2026-11-02 18:45 · r/singularity
    Sparks of Weight-Space Programming: LLMs can natively read & write neural network weights
  41. 2026-11-02 15:57 · r/LocalLLaMA
    Unsloth vs GSQ-RCO - 512K context DeepSeek-V4.1 GGUF benchmarks Terminal Bench
  42. 2026-11-02 15:52 · r/LocalLLaMA
    Running UNCENSORED DeepSeek-V4.1-Flash-1017 on a 12 Gb VRAM
  43. 2026-11-02 15:33 · r/LocalLLM
    Uncensored versions of ISTA's GSQ-RCO DeepSeek-V4.1-Flash-1017 quants for Strata, benchmarks inside
  44. 2026-11-02 15:11 · r/LocalLLM
    New DeepSeek-V4.1-Flash-1017 Unsloth Dynamic V3.1 GGUFs!
  45. 2026-11-02 14:33 · r/LocalLLaMA
    [Release] ISTA DeepSeek-V4.1-Flash-1017 GSQ-RCO Coder: a 763B model at 1 bit per parameter

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  3. Building Lation: My Quest for Free, Unlimited AI Coding 🚀 — DEV Community — AI
  4. Moonshot AI Launches Kimi Hosted Agents as Managed Agent-Harness Cloud Service — Pandaily
  5. Anthropic Proves LLM Outputs, OpenAI Ships Images 2.6, Kimi Drops 2.8T Weights — DEV Community — AI
  6. The model page said 8-bit. The checkpoint is 4.49 bits per parameter. — DEV Community — AI
  7. AI News Roundup: OpenAI Kernel Security Work, Kimi K3.1 Pro Open Weights, Ripple-65B — Latent Space
  8. Kimi K3.1 is likely benchmaxxed (with some proof) — r/LocalLLaMA

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