Anthropic Claude

WHEN: Writing implementation code against Anthropic Claude models directly via the Messages API, or via Amazon Bedrock / GCP Vertex AI, or via the Claude Agent SDK.

When to Use

• Calling Claude models directly with the Anthropic Messages API
• Deploying Claude on AWS Bedrock or GCP Vertex AI
• Building tool-using Claude agents with the Claude Agent SDK
• Adding prompt caching, extended thinking, or vision to a Claude app
• Migrating from another LLM provider to Claude and preserving behavior

Decision Tree