Perceptron Mk1 vs GLM 5.1: side-by-side summary

Perceptron Mk1 and GLM 5.1 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Perceptron Mk1, from perceptron, has a 32,768-token context window and is priced at $0.15/M tokens input, $1.50/M tokens output on OpenRouter.

GLM 5.1, from Z.ai, has a 204,800-token context window and is priced at $0.9086/M tokens input, $2.856/M tokens output on OpenRouter.

Context window

• Perceptron Mk1: 32,768 tokens
• GLM 5.1: 204,800 tokens

Price

• Perceptron Mk1: $0.15/M tokens input, $1.50/M tokens output
• GLM 5.1: $0.9086/M tokens input, $2.856/M tokens output

Provided by

• Perceptron Mk1: perceptron
• GLM 5.1: Z.ai

• Perceptron Mk1 model details, providers and pricing
• GLM 5.1 model details, providers and pricing