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Thursday February 5, 2026

11 stories — deduplicated across sources, ranked by significance, every source cited.
10
SIGNIFICANCE
★ Top story · ModelsFeb 5

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.

ModelsGPT-5