GPT-5.3-Codex helped debug and deploy parts of itself. Codex can be steered mid-task without losing context. "Underspecified" prompts now produce richer, more usable results. OpenAI today announced ...
Is GPT-5.3 Codex the fantastic option developers have been waiting for? With its lightning-fast execution, a staggering 400K token context window, and unparalleled efficiency, OpenAI’s latest model is ...
OpenAI is pitching GPT-5.3-Codex as a long-running “agent,” not just a code helper: The company says the model combines GPT-5.2-Codex coding strength with GPT-5.2 reasoning and professional knowledge, ...
OpenAI announced ' GPT-5.3-Codex ' on February 5, 2026. GPT-5.3-Codex is a model that combines the coding capabilities of GPT-5.2-Codex and the inference capabilities of GPT-5.2, achieving improved ...
To celebrate the milestone, the company has announced to reset its user limit, allowing developers to have greater access to ...