Codex
PlatformOpenAIactive
OpenAI's agentic software-engineering platform spanning cloud, desktop, CLI, IDE, and integrations.
- May 16, 2025
- 5
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- 3
Models
| Model | Family | Released | Modality | Open source | API | Status |
|---|---|---|---|---|---|---|
| GPT-5.3-Codex-Spark | — | Feb 12, 2026 | — | — | — | research-preview |
| GPT-5.3-Codex | — | Feb 5, 2026 | — | — | — | active |
| GPT-5.2-Codex | — | Dec 18, 2025 | — | — | — | deprecated |
| codex-1 | — | May 16, 2025 | — | — | — | deprecated |
| codex-mini-latest | — | May 16, 2025 | — | — | — | deprecated |
Products
Releases
Jun 2, 2026Codex plugins and Sites workflow launchedFeature update
OpenAI expanded Codex with reusable plugins and a Sites workflow for building and publishing complete web experiences.
Oct 6, 2025Codex became generally availableFeature update
OpenAI moved Codex to general availability and introduced Slack integration, an SDK, and administration features.
May 16, 2025Codex cloud coding agent research preview launchedProduct launch
OpenAI launched a cloud software-engineering agent capable of working on multiple coding tasks in parallel.