The status error in the Anthropic API related to max_tokens is likely due to one of the following reasons:

Missing Required Field

The error could be occurring because the max_tokens field is missing from the request payload. The Anthropic API requires this field to be present in the request, as it specifies the maximum number of tokens the model can generate in the response.

Exceeding Model Limits

The max_tokens value might be exceeding the model's maximum allowed limit. Each model has specific limits on the number of tokens it can generate, and requesting more tokens than this limit can trigger an error.

Incorrect Request Structure

The request payload might not be correctly formatted, leading to the API being unable to process the max_tokens parameter. For example, the "messages" field, which includes the max_tokens parameter, must be properly structured for the API to recognize it.