Claude Opus 4 5 Migration
anthropics/claude-codeOpus 4.5 is the latest Claude model. This guide helps you move your code and prompts from older versions like Sonnet 4.0, Sonnet 4.5, or Opus 4.1 to Opus 4.5. You just follow simple steps to update model strings and adjust prompts for known differences.
Developers who work with Anthropic, AWS Bedrock, Google Vertex AI, or Azure can use this tool. It handles model string updates for each platform. It also tells you about unsupported beta headers and how to add the effort parameter.
Only apply prompt fixes if you run into specific issues. The guide keeps your code clean and your prompts working well with the new model. It does not work for Haiku 4.5.
Add Claude Opus 4 5 Migration skill to your workflow
Global
mkdir -p ~/.claude/skills/claude-opus-4-5-migrationProject
mkdir -p .claude/skills/claude-opus-4-5-migrationSource Repository
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