Cogito v2.1 671B and INTELLECT-3 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Cogito v2.1 671B, from deepcogito, has a 128,000-token context window and is priced at $1.25/M tokens input, $1.25/M tokens output on OpenRouter.
INTELLECT-3, from prime-intellect, has a 131,072-token context window and is priced by the provider serving it on OpenRouter.