Ling 3.0 Flash Fin and Nex-N2.5-Pro are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Ling 3.0 Flash Fin, from inclusionai, has a 262,144-token context window and is priced at $0.06/M tokens input, $0.18/M tokens output on OpenRouter.
Nex-N2.5-Pro, from nex-agi, has a 262,144-token context window and is priced by the provider serving it on OpenRouter.