OpenAI API 500 and 503 Server Errors (server_is_overloaded)
Quick answer
500 means a fault on OpenAI servers and 503 server_is_overloaded means the model lacks capacity. Retry with growing delays, and check status.openai.com.
Most likely fix: Check the status page
How to fix it
Try these in order — the most common fix is first.
1. Check the status page
- Open status.openai.com and look at the API components
Did this fix it?2. Retry with backoff
- Follow Retry-After if present
- Increase delays if 503 persists
Did this fix it?3. Add a fallback model
- Fail over to a smaller or alternative model after N retries
Did this fix it?4. Report persistent errors
- Include request IDs when contacting support
Did this fix it?
Symptoms
Intermittent 500 "The server had an error" or 503 "The engine is currently overloaded".
Why it happens
- OpenAI incident
- Model overloaded at peak hours
- Very large or complex requests
This guide also covers
- openai api 500 error
- openai 503 server overloaded
- openai the server had an error
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Other OpenAI errors
- OpenAI API 429 Too Many Requests (Rate Limit)
- OpenAI API Error: You Exceeded Your Current Quota (insufficient_quota)
- OpenAI API 401 Incorrect API Key Provided
- OpenAI API Request Timed Out / 504 Gateway Timeout
- OpenAI API Credits Expired or Balance Disappeared
- OpenAI "Your Organization Must Be Verified" 403 Error
- OpenAI API model_not_found: Model Does Not Exist or You Do Not Have Access
- OpenAI API context_length_exceeded: Maximum Context Length Error