Open-Weight Models
Open-weight models are artificial intelligence systems whose downloadable parameter weights are publicly distributed for research and deployment. Truncated covers their licensing terms, fine-tuning practices, security evaluations and releases.
Thinking Machines' new model takes the lead in western open-weight AI
ZDNET — Another competitive model developed outside of China could change the open-weight landscape.
This Week in AI: The Cost of Progress
O’Reilly Media — Frontier models, investor caution, new approaches to learning, and the challenges of responsible AI
Salesforce Introduces Koa Decisions with Image and Audio Support
Unite.AI — Salesforce introduced Koa Decisions on November 6, 2026, a decision model built from Google’s open-weight Gemma that accepts text, images, and audio. The company plans to expand the technology beyond Agentforce request r...
Thinking Machines' Inkling 2 Small claims top spot among western open-weight models
The Decoder — Thinking Machines, the startup from former OpenAI CTO Mira Murati, is releasing Inkling 2 Small, a mixture-of-experts model with 594 billion parameters. The company claims it's the strongest western open-weight model. Better agentic performance comes at a price, though, with token usage rising sharply.
Inkling 2 Small: 17A-594B trained in 68 hours on 12T tokens, beating Muse Spark
Latent Space — November 5, 2026 — Inside Inkling 2 Small’s training run and METR’s study of AI research at Anthropic.
Open Models Crowd the Top as Kimi and Mistral Match the Frontier
PYMNTS.com — The gap between open and closed artificial intelligence models narrowed again this week. Moonshot released the weights for Kimi K3.1 Pro, and Mistral did
🚨 Crouton Alpha (the free stealth model on OpenRouter + OpenCode) is Meta — crouton-alpha →Facebook Inc — meta/muse-sp…
Nvidia Open Models Help Developers Accelerate Science And Engineering
Baidu releases ERNIE 5.5 Flash Base with 280 billion parameters as an open-source foundation model
The Decoder — Baidu releases ERNIE 5.5 Flash Base: a 280-billion-parameter MoE model pre-trained on 33.5 trillion tokens, shipped deliberately without fine-tuning, so developers can take it wherever they want.
Anti-AI sentiment could give the biggest tech companies an edge · Cautious Optimism
Cautious Optimism — Figma earnings, data center concerns, and open-weight models.
It's Swapping Season
Latent Space — November 4, 2026 — OpenAI’s Linux kernel security work, Kimi K3.1 Pro’s open weights, and Ricursive’s Ripple-65B.
A Closer Look at Phonon TTS. Launching High-Quality On-Device Speech That Tops the Benchmarks.
huggingface.co — We’re on a journey to advance and democratize artificial intelligence through open source and open science.
Ex-Googlers' new Apache 2.0 model Ripple-65B Preview claims the U.S. open coding lead on two major benchmarks
moonshotai/Kimi-K3.1-Pro · Hugging Face
huggingface.co — Image-Text-to-Text model with 2.8T parameters. Download, explore files and run it on Hugging Face.
Tencent says its Hy4 joins 'top-tier' of open-source AI models
Nikkei Asia — Chinese tech giant says latest model is competitive with Anthropic, OpenAI releases
We launched our sovereign inference platform Model Vault in January so you could choose the right Cohere model for the…
Qwen 3.8 27B on my laptop can interpret model weights, too
Simon Willison’s Weblog — Yesterday’s hot paper was Sparks of Weight-Space Programming: LLMs can natively read & write neural network weights by Rikiya Takehi, Jayden Teoh, Alex Zhang, and Omar Khattab. The paper found …
Mistral Large 4 (Le Chonk) is now open weight
Mistral — The weights of Mistral Large 4 (Le Chonk) are now open. A 1T parameter multimodal model, and best open-weight model for coding, trained in Europe.
A quiet investor’s $10 billion bet on AI, chips, and defense
sources.news — Alex Davis on the past and future of growth investing, running Groq, and the pitfalls of the AI boom.
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