Release season returns: Nemotron 3.5, FLUX 3 Klein, StepFun 5 and more in one day
TheZachMueller · x · 2026-10-16
- A roundup of a crowded release day: NVIDIA Nemotron 3.5 Bolt (open weights), Muse Spark 1.2 (open source), Microsoft MAI-Base-2 (closed), FLUX 3 Image Klein (open weights), Mistral Timestral, Liquid AI d1-ultra, and StepFun 5 (open weights), with Fable 5.5 possibly coming tomorrow.
- Quoting natolambert: Nvidia, Hugging Face and others are vague-posting about imminent releases; rumors include thinky, muse spark, Chinese players long quiet, plus Fable 5.5 and whatever OpenAI is cooking.
- Takeaway: shipping season is back.
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