GPT-5.3 Codex Released

OpenAI released gpt-5.3-codex to the Responses API, an update to the GPT-5 model with potential improvements in code generation.

Feb 24, 2026 (UTC)Views:0

Cost0

Reliability0

Migration2

Quality3

Compliance0

changelog

Cybersecurity checks

Loading comments...

AI Cost Optimization

Does this change your best option?

Check your models and usage for free. See the relevant official changes, estimated cost, and a practical next step.