What Code to Change When Switching LLM APIs: Three Must-Change Configs and Four Compatibility Checks

When staying on the OpenAI-compatible protocol, switching models usually requires changing only base_url, api_key, and model—but if your code uses length parameters, sampling parameters, streaming usage, tool calling, or structured outputs, verify each against the target model.

GLM-5.3 API Integration: Critical Parameters to Change and Migration Checklist

Learn the key parameter changes for GLM-5.3 API integration, including the breaking change of thinking.type='disabled', migration across three endpoints, and a verification checklist.

5 Fields to Change When Migrating from OpenAI API to Responses

Evaluate whether migrating to OpenAI's Responses API is necessary by checking five protocol differences: endpoint and input, state management, tool calling, streaming events, and errors/usage. Compare Chat Completions and Responses, and outline a conservative migration path.