Olmo 3.1 32B Think is a large-scale, 32-billion-parameter model designed for deep reasoning, complex multi-step logic, and advanced instruction following. Building on the Olmo 3 series, version 3.1 delivers refined reasoning behavior and st…
Model details →AllenAI: Olmo 3.1 32B Think vs Z.ai: GLM 5.2 (free)
Z.ai: GLM 5.2 (free) wins on 2 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 | AllenAI: Olmo 3.1 32B Think | Z.ai: GLM 5.2 (free) | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 66K | 33K | 🏆 AllenAI: Olmo 3.1 32B Think |
| 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. | $0.50 | $0.00 | 🏆 Z.ai: GLM 5.2 (free) |
| Tool / function calling First-class support for emitting structured tool calls. | — | — | Tie |
| Vision input Accepts image inputs alongside text. | — | — | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is AllenAI: Olmo 3.1 32B Think better than Z.ai: GLM 5.2 (free)?
Z.ai: GLM 5.2 (free) wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between AllenAI: Olmo 3.1 32B Think and Z.ai: GLM 5.2 (free)?
Input: $0.15 vs $0.00 per 1M tokens. Output: $0.50 vs $0.00 per 1M tokens.
What context windows do AllenAI: Olmo 3.1 32B Think and Z.ai: GLM 5.2 (free) support?
AllenAI: Olmo 3.1 32B Think supports up to 66K tokens. Z.ai: GLM 5.2 (free) supports up to 33K tokens.
Do both AllenAI: Olmo 3.1 32B Think and Z.ai: GLM 5.2 (free) support tool calling?
AllenAI: Olmo 3.1 32B Think: not advertised. Z.ai: GLM 5.2 (free): not advertised.