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Block unveiled Dessa, which it describes as a "true speech-to-speech" model trained from scratch on human conversation and demonstrated via audio chat examples that can sound natural but occasionally awkward. Block says Dessa can run locally on a MacBook Pro M4 Max or better and will be shared early with a small group of AI safety researchers.
Block is building AI-powered security tooling using OpenAI technology. Its security team says the tools help investigate threats faster and can propose patches in minutes.
Cerebras Systems CEO and co‑founder Andrew Feldman told TechCrunch Disrupt 2026 that the prevailing 'AI doomer' narrative is unhelpful and that leaders should emphasize potential benefits while advocating reasonable regulation; he also discussed data‑center community relations and said efficiency gains are unlikely to eliminate demand for chips. Feldman noted Cerebras customers include OpenAI, Block, Figma, GSK and Lovable.
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