OPENAI

One family. Know which limit applies.

Start with the feature you are using. ChatGPT Work and Codex share allowance; Chat and upload restrictions can be separate.

ChatGPT Work and Codex share an allowance for the same account and workspace. Chat model and upload limits can be separate. Switching between Work and Codex does not create extra allowance.

ChatGPT Chat & uploads

Messages, uploads & model limits

Explore this usage context →

Work / Codex (shared)

Shared Work / Codex allowance & reset credits

Explore this usage context →

OpenAI guides & checklists

Usage limits

Understanding ChatGPT usage limits

Find out which limit you reached before deciding what to do next.

ChatGPT Chat & uploads · Read guide ↗Usage limits

Codex weekly allowance, explained

Keep personal recovery windows separate from public reset announcements.

Work / Codex (shared) · Read guide ↗Troubleshooting

ChatGPT file upload limit reached

Separate upload frequency, storage and individual file restrictions.

ChatGPT Chat & uploads · Read guide ↗Troubleshooting

“Reached concurrency limit” in ChatGPT

A practical checklist for a task that will not start.

ChatGPT Chat & uploads · Read guide ↗Troubleshooting

Codex reset credits not showing

Check account eligibility, expiry and whether the usage panel loaded.

Work / Codex (shared) · Read guide ↗Troubleshooting

Your limit has not reset. What now?

Check the time, the window and the account before reporting a fault.

All tools · Read guide ↗Troubleshooting

Upstream connection or reset errors

The word “reset” in a connection error is not an allowance reset.

ChatGPT Chat & uploads · Read guide ↗Reset basics

Banked reset vs. scheduled recovery

Know the difference before you spend a saved reset.

Work / Codex (shared) · Read guide ↗Reset basics

API rate limits vs. subscription limits

Identify which billing system and allowance your request uses.

All tools · Read guide ↗