Artificial Inteligence feed for Wednesday, April 22, 2026

• Teaching AI models to say “I’m not sure”
• Making ChatGPT better for clinicians
• Decoupled DiLoCo: A new frontier for resilient, distributed AI training
• Workspace agents
• Speeding up agentic workflows with WebSockets in the Responses API
• Introducing workspace agents in ChatGPT
• Introducing OpenAI Privacy Filter