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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.
What RADAR observed and classified to build this opportunity. It is what the source published, not a verification that the offer is still active.
GPT-5.3-Codex System Card. 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.
Open sourceThe catalog shows persisted RADAR opportunities. Storage availability does not mean sources are verified or offers are active.