KAT-Coder-Air V2.5 and GLM 5.1 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
KAT-Coder-Air V2.5, from kwaipilot, has a 256,000-token context window and is priced at $0.15/M tokens input, $0.60/M tokens output on OpenRouter.
GLM 5.1, from Z.ai, has a 204,800-token context window and is priced at $0.91/M tokens input, $2.86/M tokens output on OpenRouter.