GPT‑5.3‑Codex‑Spark releases with ultra-fast coding and 128k context window, redefining interactive development for ChatGPT ...
Codex will remain free, and Deep Research just got better ...
ChatGPT Pro subscribers can try the ultra-low-latency model by updating to the latest versions of the Codex app, CLI, and VS Code extension. OpenAI is also making Codex-Spark available via the API to ...
OpenAI’s new Codex Spark promises to make coding feel instantaneous, letting developers collaborate with AI in real time ...
GPT-5.3 inside OpenAI’s public GitHub repository, suggesting that the general-purpose version of the model is already in development. The First sighting of GPT 5.3 has been spotted!