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Open weights go frontier-class — a 501B base model, a 816B Meta MoE, and Gemini 4 Argon land in one week

This story is from 2026-10-17. It is preserved in the archive; the latest stories are on the live feed.

This digest covers model releases and updates from 2026-10-10 through 2026-10-17, scanning Anthropic, OpenAI, Google DeepMind, Meta AI, Mistral, Hugging Face, and Simon Willison's blog. 🔥 Highlights Gemini 4 Argon: Built to solve your hardest problems — Google's new frontier model goes GA with a 1…

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  1. 2026-10-17 12:08 · DEV Community — AI
    Open weights go frontier-class — a 501B base model, a 816B Meta MoE, and Gemini 4 Argon land in one week

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