Execution failed: CAPIError: 400 model "claude-opus-4.6" not supported for vision

[AnguP9169726]

Describe the bug

Execution failed: CAPIError: 400 model "claude-opus-4.6" not supported for vision getting this issue for all teh prompts , how to make thsi session to come out of this issue

Affected version

No response

Steps to reproduce the behavior

In github copilot cli ,

• Include an image content block type.
• Ask coplot to review teh image

Expected behavior

Getting this Execution failed: CAPIError: 400 model "claude-opus-4.6" not supported for vision

Additional context

Unable to get rid of this issue and tried to restart teh sessiion , chnage the model to claude opus , gpt but results is same

[JLT-NF]

Same here with GPT-5.4 and 5.5