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OpenAI Rolls Out GPT-5.5, Shifting ChatGPT From Assistant to Digital Worker

The update signals a pivot to agent-style automation for enterprise tasks.

Google Releases VaultGemma, an Open 1B-Parameter LLM Trained With Differential Privacy

OpenAI Rolls Out GPT-5 as Default, Restores GPT-4o for Plus Subscribers

OpenAI Launches GPT-5, Starts 60-Day Transition From Older Models