testing copilot model flag
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Today I found a way to test model syntax, cause the clankers always get the exact model name that copilot wants wrong.

Date: April 29, 2026

Today I found a way to test model syntax, cause the clankers always get the exact model name that copilot wants wrong.

```
copilot --model claude-sonnet-4.5 -p "Reply with OK" --allow-all --no-ask-user -s
copilot --model gpt-5.4 -p "Reply with OK" --allow-all --no-ask-user -s
```