GLM 5.2 and DeepSeek V4 Pro are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
GLM 5.2, from Z.ai, has a 1,048,576-token context window and is priced at $0.50/M tokens input, $3.15/M tokens output on OpenRouter.
DeepSeek V4 Pro, from DeepSeek, has a 1,048,576-token context window and is priced at $0.435/M tokens input, $0.87/M tokens output on OpenRouter.