Perceptron Mk1.5 is Perceptron's embodied reasoning model for physical agents. It accepts text, image, video, and audio input, and answers with text plus optional structured annotations: points, boxes, polygons, tracks,...
Model details →Perceptron: Perceptron Mk1.5 vs Z.ai: GLM 5.2 (free)
Perceptron: Perceptron Mk1.5 wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
GLM 5.2 is a large-scale reasoning model from Z.ai. It supports text input and output with a 1M-token context window, and is suited for long-horizon agent workflows, project-level software engineering,...
Model details →Side-by-side comparison
| Capability | Perceptron: Perceptron Mk1.5 | Z.ai: GLM 5.2 (free) | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 37K | 33K | 🏆 Perceptron: Perceptron Mk1.5 |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.15 | $0.00 | 🏆 Z.ai: GLM 5.2 (free) |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $1.50 | $0.00 | 🏆 Z.ai: GLM 5.2 (free) |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | — | 🏆 Perceptron: Perceptron Mk1.5 |
| Vision input Accepts image inputs alongside text. | Yes | — | 🏆 Perceptron: Perceptron Mk1.5 |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is Perceptron: Perceptron Mk1.5 better than Z.ai: GLM 5.2 (free)?
Perceptron: Perceptron Mk1.5 wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Perceptron: Perceptron Mk1.5 and Z.ai: GLM 5.2 (free)?
Input: $0.15 vs $0.00 per 1M tokens. Output: $1.50 vs $0.00 per 1M tokens.
What context windows do Perceptron: Perceptron Mk1.5 and Z.ai: GLM 5.2 (free) support?
Perceptron: Perceptron Mk1.5 supports up to 37K tokens. Z.ai: GLM 5.2 (free) supports up to 33K tokens.
Do both Perceptron: Perceptron Mk1.5 and Z.ai: GLM 5.2 (free) support tool calling?
Perceptron: Perceptron Mk1.5: yes. Z.ai: GLM 5.2 (free): not advertised.