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claude-opus-4-5-migration

Migrate prompts and code to Opus 4.5 across Anthropic API, AWS Bedrock, Google Vertex AI, and Azure Foundry.

1|Updated Jan 27, 2026
Search Tags:#migration#claude#opus-4-5#code-migration#model-strings#prompt-migration#api-updates
One-click install
npx skills add https://github.com/kurohit2/MlProject --skill claude-opus-4-5-migration-kurohit2
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: claude-opus-4-5-migration
Source: https://github.com/kurohit2/MlProject/tree/main/.agents/skills/claude-opus-4-5-migration
Command: npx skills add https://github.com/kurohit2/MlProject --skill claude-opus-4-5-migration-kurohit2

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Streamlines upgrading codebases and prompts from older Claude Sonnet or Opus versions to Opus 4.5, ensuring model strings and prompts align with the new behavior.

Core Features & Use Cases

  • Automates model string updates for Anthropic API, AWS Bedrock, Google Vertex AI, and Azure Foundry
  • Applies prompt adjustments to accommodate Opus 4.5 behavioral differences
  • Generates a migration plan with change summaries and notes for QA
  • Excludes Haiku migrations as a supported scope

Quick Start

Migrate your project’s prompts and code to Opus 4.5 and verify updated model strings.

Frequently Asked Questions about claude-opus-4-5-migration

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I migrate my code to Claude Opus 4.5 from Sonnet 4.x or Opus 4.1?▼

To migrate to Claude Opus 4.5, update model strings and adapt prompts for behavioral differences across Anthropic API, AWS Bedrock, Google Vertex AI, and Azure Foundry, generating a change summary for QA.

What model strings do I need to update for Opus 4.5 migration on AWS Bedrock and Vertex AI?▼

Opus 4.5 migration requires updating platform-specific model strings for AWS Bedrock, Google Vertex AI, Azure Foundry, and Anthropic API using the guidance provided in the references.

Does Claude Opus 4.5 migration support Haiku model upgrades?▼

Claude Opus 4.5 migration excludes Haiku migrations as a supported scope, applying exclusively to projects upgrading from Sonnet 4.x or Opus 4.1.

Why do my prompts behave differently after updating to Opus 4.5 model strings?▼

Updating to Opus 4.5 model strings may cause behavioral differences requiring prompt adjustments to accommodate the new model behavior and align prompts accordingly.

What's the best way to plan a prompt migration to Opus 4.5 for QA testing?▼

The best way to plan an Opus 4.5 prompt migration is to generate a migration plan with change summaries and QA notes documenting updated model strings and prompt adjustments across Anthropic API, AWS Bedrock, Google Vertex AI, and Azure Foundry.

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