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OpenAI 2 years ago 18
Sam Altman has returned as CEO of OpenAI after his brief departure, with Mira Murati as Chief Technology Officer and Greg Brockman resuming the role of President. The leadership shuffle follows Altman's removal and reinstatement within a five-day period in late November. OpenAI's board composition has been reconstituted with Bret Taylor as chair, establishing a new governance structure for the company.
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8 August 2026
Mistral AI's release of Shieldstral 1.0 3B marks a practical inflection point in content moderation: safety classifiers are shedding their fixed rulebooks. The 3B model takes policies as plain-language prompts at inference time—meaning a single deployment can enforce different standards for different customers without retraining—while matching the performance of a 20B baseline on both text and multimodal content. It runs on a single 16GB GPU and ships under Apache 2.0, making it available for local deployment across vLLM and llama.cpp. For teams managing multiple content policies or operating across jurisdictions, this matters because moderation no longer requires separate model forks or constant retraining cycles.
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