OpenAI's cloud-based AI software engineering agent, now with GPT-5.4 support and experimental 1M token context window. Runs multiple tasks in parallel in isolated sandbox environments with your repository preloaded. Features CLI, macOS desktop app, IDE extensions (VS Code, Cursor, Windsurf), web interface, and Slack integration. GPT-5.4 brings Terminal-Bench 2.0 score of 75.1% and SWE-Bench Pro 57.7%.
Category: development | Pricing: Freemium — Limited-time free access for ChatGPT Free and Go users. Included with Plus ($20/month) and Pro ($200/month) plans. Business, Enterprise, and Edu plans also include Codex. Each task runs in isolated cloud sandbox.
Learn more at aiworkflows.tools