OpenAI Dev Day 2025 brings ChatGPT Apps SDK, AgentKit for AI workflows, Codex 2.0 GA, GPT-5 Pro API, and Sora 2. Comprehensive analysis of what these updates mean for developers and enterprises.
New SDK enables developers to build native ChatGPT applications with deep platform integration. Apps can access ChatGPT context, memory, and user preferences.
Deep ChatGPT platform access. Context-aware applications. Seamless user experience.
Comprehensive SDK. Testing frameworks. Deployment pipelines.
AgentKit provides tools for building autonomous AI agents that can execute complex multi-step workflows. Designed for enterprise automation and integration.
Codex 2.0 brings improved code generation, better understanding of programming languages, and enhanced debugging capabilities. Now globally available.
GPT-5 Pro offers significantly improved reasoning for high-stakes applications. Costs approximately 12x GPT-4 Turbo but delivers superior performance for complex tasks.