Anthropic Migration Deep Dive Overview Migration strategies for switching to Claude from OpenAI, Google, or other LLM providers, including API mapping, prompt translation, and multi-provider abstraction. OpenAI to Anthropic API Mapping | OpenAI | Anthropic | Notes | |--------|-----------|-------| | | | Different response shape | | | | Different model IDs | | | | Same format | | / | | Similar but different schema key names | | | | Different naming | | | | Different access path | | → yields chunks | → SSE events | Different event format | | System message in | parameter (separate) | Claude sepa…