GPT-5.3-Codex System Card
- ID
- 238
- Status
- new
- Published
- 05 Feb 2026, 8:00 AM
- Fetched
- 27 Jun 2026, 7:47 PM
- Provider
- OpenAI News
- Category
- ai-labs
- Original URL
- https://openai.com/index/gpt-5-3-codex-system-card
- Source URL
- https://openai.com/news/rss.xml
Excerpt
GPT‑5.3-Codex is the most capable agentic coding model to date, combining the frontier coding performance of GPT‑5.2-Codex with the reasoning and professional knowledge capabilities of GPT‑5.2.
Summary
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