Ling 3.0 Flash Sante and GLM 5.3 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Ling 3.0 Flash Sante, from inclusionai, has a 262,144-token context window and is priced by the provider serving it on OpenRouter.
GLM 5.3, from Z.ai, has a 1,310,720-token context window and is priced at $1.15/M tokens input, $3.50/M tokens output on OpenRouter.