Compare GLM 5.1 from Z.ai and Mistral Small 4 from Mistral AI on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.
GLM 5.1 and Mistral Small 4 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
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.
Mistral Small 4, from Mistral AI, has a 262,144-token context window and is priced at $0.15/M tokens input, $0.60/M tokens output on OpenRouter.