| Mobile Web

ChatGPT evolves into agent platform in OpenAI DevDay 2026 roundup

OpenAI held its annual developer conference, DevDay 2026, in San Francisco on Sept. 29 local time, unveiling more than 20 new products and features across ChatGPT, Codex, models and APIs. The focus was an always-on AI agent called dots, alongside the GPT-6.1 Sol model and faster paid tiers. The company also introduced agent APIs, new enterprise offerings and Codex cloud capabilities, plus expanded integrations, a marketplace and new subscription plans.