ChatGPT Chat vs Work vs Codex: Which One Should You Use?

Chat is for conversation, Work carries multi-step tasks to a finished result, and Codex is for software development. Choose the right ChatGPT surface.
Source-checked AI model and product analysis that separates official confirmation, credible reporting and unverified rumor.

Chat is for conversation, Work carries multi-step tasks to a finished result, and Codex is for software development. Choose the right ChatGPT surface.

Compare ChatGPT Plus vs Pro by Astra access, Chat vs Work/Codex usage, credits and daily workload. See when Pro is actually worth paying for.

Is GPT-6 Astra available in Cursor? Check native model-picker status, OpenAI API and BYOK limits, Codex access, and what remains unconfirmed.

Codex limits vary by model and task. See current 5-hour estimates, weekly-limit caveats, credits, runtime behavior, the usage dashboard and /status.

Claude uses invisible statistical watermarks on supported model output. Check detector availability, what a match can prove, and how editing, translation, code and copy/paste affect detection.

Reported GPT-6 Astra demos show game, web and voxel output, but not reliability. See what OpenAI now confirms and what remains unverified.

Why OpenAI slowed Astra in August, what its September Critical assessment changed, and how safeguards differ from product access and incident attribution.