GPT-5 Codex and Switchpoint Router are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
GPT-5 Codex, from OpenAI, has a 400,000-token context window and is priced by the provider serving it on OpenRouter.
Switchpoint Router, from switchpoint, has a 131,072-token context window and is priced by the provider serving it on OpenRouter.