Laguna S 2.1 and GLM 5.1 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Laguna S 2.1, from poolside, has a 1,048,576-token context window and is priced at $0.09/M tokens input, $0.18/M tokens output on OpenRouter.
GLM 5.1, from Z.ai, has a 204,800-token context window and is priced at $0.966/M tokens input, $3.036/M tokens output on OpenRouter.