Nova 2 Lite and Devstral 2 2512 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Nova 2 Lite, from Amazon, has a 1,000,000-token context window and is priced at $0.30/M tokens input, $2.50/M tokens output on OpenRouter.
Devstral 2 2512, from Mistral AI, has a 262,144-token context window and is priced at $0.44/M tokens input, $2.20/M tokens output on OpenRouter.