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migration-guidemodels/opus-5-5/migration-guide

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#### Some computer use tool versions are not supported
#### Thinking can’t be disabled
#### The `computer_20251124` computer use tool is not supported on the Claude API and Claude Models on Google Cloud (Google managed)
## What every request to Claude Opus 5.5 must satisfy
## Handle thinking in every response
## Migration checklist by starting model
### Every starting model
### Claude Opus 4.8 or earlier
### Claude Opus 4.7 or earlier
### Claude Opus 4.6 or earlier
### Claude Opus 4.5 or earlier
### Claude 4.1 or earlier