Quantinuum reports 99.9995% logical fidelity on Helios, a tenfold error-correction improvement
A distance-7 color code on trapped ions cut errors about 12-fold per distance step; the result covers one logical qubit in memory.
- 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
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- 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