Mistral Medium 3.1 and DeepHermes 3 Mistral 24B Preview are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Mistral Medium 3.1, from Mistral AI, has a 131,072-token context window and is priced at $0.40/M tokens input, $2/M tokens output on OpenRouter.
DeepHermes 3 Mistral 24B Preview, from Nous Research, has a 32,768-token context window and is priced by the provider serving it on OpenRouter.