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For developers who live in the terminal and want ChatGPT‑level reasoning plus the power to actually run code, manipulate files, and iterate – all under version control. In short, it’s chat‑driven development that understands and executes your repo.
OpenAI Codex CLI
Frontier reasoning in the terminal
New OpenAI audio models for developers: gpt-4o powered speech-to-text (more accurate than Whisper) and steerable text-to-speech. Build voice agents, transcriptions, and more.
OpenAI GPT-4o Audio Models
Build Powerful Voice Agents
A new set of APIs and tools specifically designed to simplify the development of agentic applications.
OpenAI Responses API and Agents SDK
New tools for building agents and tools