Mistral Small 3.2 24B and Mistral Small 3.1 24B are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Mistral Small 3.2 24B, from Mistral AI, has a 131,072-token context window and is priced at $0.075/M tokens input, $0.20/M tokens output on OpenRouter.
Mistral Small 3.1 24B, from Mistral AI, has a 128,000-token context window and is priced at $0.351/M tokens input, $0.555/M tokens output on OpenRouter.