AI Tool Profile
GPT-5.3-Codex
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.
Verification & Sources
- Status
- Verified profile
- Source links
- 2
- Freshness
- Verified June 8, 2026
- Last verified
- June 8, 2026
- Last updated
- June 8, 2026
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What It Does
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.
Tool Links
Launch History
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.
- Kingy
- 10.0 / 10
- Demo
- 10.0 / 10
- YouTube
- High
A major agentic coding model release because OpenAI positioned it as moving Codex from code generation toward broader computer work.

