OpenAI o3-mini is a cost-efficient language model optimized for STEM reasoning tasks, particularly excelling in science, mathematics, and coding. This model supports the `reasoning_effort` parameter, which can be set to "high", "medium", o…
Model details →OpenAI: o3 Mini vs Z.ai: GLM 5 Turbo
Z.ai: GLM 5 Turbo wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
GLM-5 Turbo is a new model from Z.ai designed for fast inference and strong performance in agent-driven environments such as OpenClaw scenarios. It is deeply optimized for real-world agent workflows involving long execution chains, with imp…
Model details →Side-by-side comparison
| Capability | OpenAI: o3 Mini | Z.ai: GLM 5 Turbo | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 200K | 203K | 🏆 Z.ai: GLM 5 Turbo |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $1.10 | $1.20 | 🏆 OpenAI: o3 Mini |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $4.40 | $4.00 | 🏆 Z.ai: GLM 5 Turbo |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | 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 OpenAI: o3 Mini better than Z.ai: GLM 5 Turbo?
Z.ai: GLM 5 Turbo wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between OpenAI: o3 Mini and Z.ai: GLM 5 Turbo?
Input: $1.10 vs $1.20 per 1M tokens. Output: $4.40 vs $4.00 per 1M tokens.
What context windows do OpenAI: o3 Mini and Z.ai: GLM 5 Turbo support?
OpenAI: o3 Mini supports up to 200K tokens. Z.ai: GLM 5 Turbo supports up to 203K tokens.
Do both OpenAI: o3 Mini and Z.ai: GLM 5 Turbo support tool calling?
OpenAI: o3 Mini: yes. Z.ai: GLM 5 Turbo: yes.