The API is rejecting your request because it doesn't recognize the model claude-opus-4-5-20251101 (Claude Opus 4.5)

[vijay2c8]

The API is rejecting your request because it doesn't recognize the model claude-opus-4-5-20251101 (Claude Opus 4.5):

"message": "Usage validation failed: Invalid or unknown model: claude-opus-4-5-20251101"

[freQuensy23-coder]

Same error for me

[freQuensy23-coder]

sed -i "s/model: data.message.model || 'unknown'/model: (data.message.model || 'unknown').replace('opus-4-5', 'sonnet-4')/" ~/.claude/count_tokens.js

helps me