StepFun releases Step 5 Preview open weights, a 600B multimodal MoE model
The Hugging Face release lists 27B active parameters, 1M-token context and text, image and video input, aimed at long-horizon agent work.
- Nasdaq slides 2.9% as Intel has its worst day since the 1970s and chip stocks fall
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- Intel shares fall 29%, their worst day since the 1970s, cutting about $12 billion from the US government's stake
- Mistral releases open weights for Mistral Large 4, its 1-trillion-parameter model
- Google's Suncatcher satellite returns the first AI response from a data-centre TPU in orbit
- FDA grants accelerated approval to Inovio's Voceryq, the first US plasmid DNA immunotherapy, for adult RRP
- Anthropic renames Claude Max 20x to Ultra and drops the 5-hour limit for verified Ultra accounts
- OpenAI reorganizes its Model Spec around five core values