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OpenAI's Codex CLI is a local coding agent that reads, modifies, and runs code through natural language commands. Enables building, debugging, and automating coding tasks.
OpenAI's Codex is an AI coding assistant extension for your IDE. It reads, modifies, and runs code through natural language commands, enabling building, debugging, and automating coding tasks.
Released in April 2025, GPT-4.1 shows particularly significant improvements in coding and frontend web development, featuring 1M token context window for complex coding tasks.
OpenAI's flagship multimodal model optimized for coding tasks, featuring 128K context window and advanced reasoning capabilities for code generation and debugging.
OpenAI's most advanced model with major improvements in reasoning, code quality, and UX. Optimized for complex tasks requiring step-by-step reasoning and high accuracy.
Latest GPT-5 series model with stronger reasoning and natural conversation. Uses adaptive reasoning to respond quickly to simple queries while providing depth for complex tasks.
GPT-5.1 optimized for software engineering. Supports interactive development, complex tasks, building projects, feature development, debugging, refactoring, and code review.
GPT-5 optimized for software engineering. Supports interactive development, complex tasks, building projects, feature development, debugging, refactoring, and code review.