Model comparison
GLM-4.5 vs o3
Capability radar, value bars, and side-by-side posture.
GLM-4.5
Not scored
value score
o3
93
value score
GLM-4.5 ctx
—
o3 ctx
200K
Capability radar
Value · context · multimodal · openness · speed posture
Value head-to-head
- o393
Attribute tape
| Field | GLM-4.5 | o3 |
|---|---|---|
| Developer | Z.ai | OpenAI |
| Context | — | 200K |
| Modalities | Text, Code | |
| Openness | — | Proprietary Model |
| Speed | — | — |
| Price | — | $10/1M in · $40/1M out |
| Value score | — | 93 |
| Summary | GLM-4.5 is Z.ai's flagship large language model designed for agent-oriented applications, combining reasoning, coding, and tool-use capabilities in a single system. It supports a hybrid 'thinking/non-thinking' mode for flexible deployment across complex and latency-sensitive tasks, using a Mixture-of-Experts architecture with up to 128k context tokens. | OpenAI reasoning model focused on hard problems. |