OpenAI DevDay event live updates: Agent Kit, Apps SDK, ChatGPT, and more
SMRTR summary
OpenAI's DevDay 2025 event unveiled major developer tools including Apps SDK that lets developers build full applications within ChatGPT, allowing users to interact with services like Coursera and Canva directly through chat conversations. The company also launched AgentKit for building AI workflows, made its coding assistant Codex generally available after seeing 10x usage growth, and released GPT-5 Pro and Sora 2 through its API for developers.
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