openai
#10076
input_format_error
Invalid chat format: Unexpected keys found in message content.
This error has been identified and solved.
Reason
The 400 status error with the message "Invalid chat format. Unexpected keys in a message content image dict" in the OpenAI API is typically due to the following reasons:
Incorrect Message Format: The request does not conform to the expected format for the specific OpenAI model you are using. For models like
gpt-4-vision-preview, the message format must adhere to a specific structure, particularly when including images and text.Unexpected Keys or Parameters: The request contains keys or parameters that are not supported or expected by the model. This could include using incorrect or additional fields in the
contentormessagessections of the request payload.Model-Specific Requirements: Different models have different requirements for the format of the request. For example, the
gpt-4-vision-previewmodel operates in chat mode and expects a specific structure for messages, including how images are included.
These issues indicate that the request payload does not match the expected configuration for the API endpoint and model being used.
Solution
To fix the 400 status error with the message "Invalid chat format. Unexpected keys in a message content image dict," you need to ensure your request payload aligns with the expected format for the gpt-4-vision-preview model.
Here are the key steps to correct this issue:
Review and Adjust Message Structure: Ensure the request includes only the expected keys and parameters, especially when dealing with images and text.
Use Correct Image Encoding: Make sure images are properly encoded and included in the request payload as either
image_urlor in a format that the model expects.Remove Unexpected Keys: Eliminate any additional or unsupported fields in the
contentormessagessections of the request.Consult Model-Specific Documentation: Refer to the specific guidelines for the
gpt-4-vision-previewmodel to ensure all aspects of the request are correctly formatted.
By carefully aligning your request with the model's expectations, you can resolve the BadRequestError.
Suggested Links
https://cheatsheet.md/chatgpt-cheatsheet/openai-api-error-axioserror-request-failed-status-code-400
https://github.com/langgenius/dify/issues/3165
https://community.openai.com/t/content-is-required-property-error-400/486260
https://community.openai.com/t/intermittent-error-an-unexpected-error-occurred-error-code-400-error-message-this-model-does-not-support-specifying-dimensions-type-invalid-request-error-param-none-code-none/955807
https://community.openai.com/t/error-sending-base64-image-data-in-api-request-to-gpt-4-vision-model/495864
https://platform.openai.com/docs/guides/text-generation
https://cdn.openai.com/spec/model-spec-2024-05-08.html
https://community.openai.com/t/gpt-4-vision-api-detail-param-and-token-cost/476448
