AI Launch Profile
OpenAI launches GPT-5.3-Codex for frontier agentic coding work
OpenAI introduced GPT-5.3-Codex, describing it as a more capable agentic coding model for Codex, long-running tasks, and broader professional computer work.
At a glance
Launch Snapshot
- Company
- OpenAI
- Launch date
- February 5, 2026
- Launch type
- Model Release
- Category
- AI Agents, AI Coding Tools, AI Developer Tools
- Audience
- Developers, Product Teams
- Pricing
- Available through paid ChatGPT/Codex plans and Codex surfaces; API/plan details depend on access tier.
- Free plan
- No
- API
- Yes
- Open weights/source
- No
Launch Context
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Verification & Sources
- Status
- Verified
- Source links
- 3
- Freshness
- Needs recheck: verified June 8, 2026
- Last verified
- June 8, 2026
- Last updated
- June 19, 2026
Key source checks
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Creator Coverage Next Steps
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Kingy AI Take
A major agentic coding model release because OpenAI positioned it as moving Codex from code generation toward broader computer work.
Who it is for
Teams using Codex for autonomous coding, debugging, testing, analysis, documentation, and multi-step software workflows.
What feels promising
The model’s value is tied to the Codex app, CLI, IDE, and web surfaces, making it more than a benchmark-only launch.
What feels unproven
Higher capability increases the need for sandboxing, review, evals, and clear permission boundaries.
Source-backed record