The standalone Claude channel was removed after version v3.85. Please use the OpenAI ChatGPT compatible channel.

Please click Menu -> Translation Settings -> OpenAI ChatGPT Compatible

API URL: https://api.anthropic.com/v1/

SK: Enter your SK

In the model text box, enter the model you wish to use, for example:

claude-sonnet-4,claude-sonnet-4-5,claude-opus-4,claude-opus-4-1

Then, select the model you want to use from the dropdown list under Model, and save.