GLM 5.1 vs Mistral Small 4: side-by-side summary

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 $0.9646/M tokens input, $3.032/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.

Context window

• GLM 5.1: 204,800 tokens
• Mistral Small 4: 262,144 tokens

Price

• GLM 5.1: $0.9646/M tokens input, $3.032/M tokens output
• Mistral Small 4: $0.15/M tokens input, $0.60/M tokens output

Provided by

• GLM 5.1: Z.ai
• Mistral Small 4: Mistral AI

• GLM 5.1 model details, providers and pricing
• Mistral Small 4 model details, providers and pricing