Claude Sonnet 4.6

curl https://api.anthropic.com/v1/messages \
  -H "x-api-key: $ANTHROPIC_API_KEY" \
  -H "anthropic-version: 2023-06-01" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-sonnet-4-6",
    "max_tokens": 512,
    "messages": [
      { "role": "user", "content": "Summarize the latest product changes in three bullets." }
    ]
  }'

Verify the exact model identifier in the provider docs before production use. ai-tracker stores canonical ids and pricing snapshots, not account entitlements.