OpenRouter error
OpenRouter 404 not_found: what it means and how to fix it
404 not_foundRetry? Not statedLast verified 1 documented fix1 source
What it means
The requested resource (model, file, etc.) does not exist.
Causes
- Unknown model, file or other resource
How to fix it
- Fix 1.
Check the model slug or resource identifier.
More OpenRouter errors
All 32 OpenRouter errors400 invalid_requestRetry? Not stated400 invalid_promptRetry? Not stated400 context_length_exceededRetry? Not stated400 max_tokens_exceededRetry? Not stated400 token_limit_exceededRetry? Not stated400 string_too_longRetry? Not stated400 invalid_imageRetry? Not stated400 image_too_largeRetry? Not stated
HTTP 404 at other providers
Compare 404 across providers404 ResourceNotFoundExceptionRetry? NoAmazon Bedrock404 FTUFormNotFilledRetry? Not statedAmazon Bedrock404 not_found_errorRetry? Not statedAnthropic API404 Not FoundRetry? Not statedAzure OpenAI404 Not FoundRetry? Not statedCohere API404 not_foundRetry? NoGemini API404 model_not_foundRetry? NoGemini API404 NOT_FOUNDRetry? NoGemini API404 Not FoundRetry? Not statedGroq API404 Not foundRetry? Not statedMistral API404 NotFoundErrorRetry? Not statedOpenAI API404 NOT_FOUNDRetry? NoVertex AI
FAQ
What does the OpenRouter error "404 not_found" mean?
The requested resource (model, file, etc.) does not exist.
How do I fix OpenRouter "404 not_found"?
Check the model slug or resource identifier.
Should I retry OpenRouter "404 not_found"?
Not stated. The official docs do not say whether this error is retryable.
Which other AI APIs return HTTP 404?
Per their official error docs: Amazon Bedrock (404 ResourceNotFoundException; 404 FTUFormNotFilled), Anthropic API (404 not_found_error), Azure OpenAI (404 Not Found), Cohere API (404 Not Found), Gemini API (404 not_found; 404 model_not_found; 404 NOT_FOUND), Groq API (404 Not Found), Mistral API (404 Not found), OpenAI API (404 NotFoundError), Vertex AI (404 NOT_FOUND), xAI API (404 Not Found).
Sources
Last verified against 1 source: OpenRouter's official docs and official SDK repositories.
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