Errors and fixes
The exact message, what causes it, and the change that fixes it. Search here before you paste a stack trace into a search engine.
- ChatGPT
429 Too Many Requests / Rate limit reached
You crossed a request or token limit for your tier. The fix is backoff with jitter and batching, not a shorter sleep, and the header tells you which…
Tested on GPT-5 · May 2026
- ChatGPTGemini
This model's maximum context length is N tokens
The request is longer than the model can hold, counting your prompt, the whole conversation history and the space reserved for the answer. Usually it…
Tested on GPT-5 · May 2026