AI-powered cloud coding platform from OpenAI that lets developers delegate complex software engineering tasks — feature building, refactoring, bug fixing, code review, and security scanning — to multiple concurrent AI agents working directly in your GitHub repository.
Moment Integration
Moment Template Coming Soon.
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Key Features
- Multi-agent orchestration with parallel threads on a single codebase
- Git worktree isolation so agents work without merge conflicts
- Code generation, refactoring, and pull request creation from natural-language prompts
- Multi-turn conversations for iterative refinement on existing branches
- Preview system generating 2–4 implementation approaches per task
- Codex Security agent for vulnerability detection with 90%+ fewer false positives than traditional scanners
- Skills/plugin ecosystem (Figma import, Linear project management, cloud deploy, image generation)
- Configurable sandbox networking (package managers only, full internet, allowlisted domains, or fully sandboxed)
- Codex CLI for local use; IDE extensions for VS Code; cloud agent via web app
- GitHub, Slack, and CI/CD integrations
Background
- Built by OpenAI; original Codex model launched in 2021, current platform relaunched May 2025 as a full agentic coding environment.
- 1.6 million users as of March 2026.
- Codex Security entered research preview in March 2026 after scanning 1.2M commits and finding 792 critical and 10,500+ high-severity vulnerabilities in open-source projects including OpenSSH, GnuTLS, and Chromium.
- Available to ChatGPT Pro, Business, and Edu customers.