Gemini 3.1 Pro Preview is Google’s frontier reasoning model, delivering enhanced software engineering performance, improved agentic reliability, and more efficient token usage across complex workflows. Building on the multimodal foundation …
Model details →Google: Gemini 3.1 Pro Preview vs Z.ai: GLM 5
Google: Gemini 3.1 Pro Preview and Z.ai: GLM 5 are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
GLM-5 is Z.ai’s flagship open-source foundation model engineered for complex systems design and long-horizon agent workflows. Built for expert developers, it delivers production-grade performance on large-scale programming tasks, rivaling l…
Model details →Side-by-side comparison
| Capability | Google: Gemini 3.1 Pro Preview | Z.ai: GLM 5 | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 1.0M | 80K | 🏆 Google: Gemini 3.1 Pro Preview |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $2.00 | $0.72 | 🏆 Z.ai: GLM 5 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $12.00 | $2.30 | 🏆 Z.ai: GLM 5 |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | — | 🏆 Google: Gemini 3.1 Pro Preview |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is Google: Gemini 3.1 Pro Preview better than Z.ai: GLM 5?
Google: Gemini 3.1 Pro Preview and Z.ai: GLM 5 are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
What's the price difference between Google: Gemini 3.1 Pro Preview and Z.ai: GLM 5?
Input: $2.00 vs $0.72 per 1M tokens. Output: $12.00 vs $2.30 per 1M tokens.
What context windows do Google: Gemini 3.1 Pro Preview and Z.ai: GLM 5 support?
Google: Gemini 3.1 Pro Preview supports up to 1.0M tokens. Z.ai: GLM 5 supports up to 80K tokens.
Do both Google: Gemini 3.1 Pro Preview and Z.ai: GLM 5 support tool calling?
Google: Gemini 3.1 Pro Preview: yes. Z.ai: GLM 5: yes.