chatgpt
Broken
GPT‑5.3‑Codex‑Spark
https://openai.com/index/introducing-gpt-5-3-codex-spark/
GPT-5.3-Codex
https://openai.com/index/introducing-gpt-5-3-codex/
GPT-5.3-Codex is a Codex-native agent that pairs frontier coding performance with general reasoning to support long-horizon, real-world technical work.