Olmo 3.1 32B Think and Multilingual-E5-Large are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Olmo 3.1 32B Think, from Ai2, has a 65,536-token context window and is priced by the provider serving it on OpenRouter.
Multilingual-E5-Large, from intfloat, has a 512-token context window and is priced at $0.01/M tokens on OpenRouter.