SIDE BY SIDE
GLM 4.5V vs GLM 4.6V
Both are GLM models. GLM 4.6V was added to OpenRouter on 2025-12-08, GLM 4.5V on 2025-08-11.
| Field | GLM 4.5V | GLM 4.6V |
|---|---|---|
| Provider | Z.ai | Z.ai |
| Family | GLM | GLM |
| Province | Maple Highlands | Maple Highlands |
| Context window | 66K tokens | 131K tokens |
| Maximum output | 16K tokens | 33K tokens |
| Input / 1M tokens | $0.600 | $0.300 |
| Output / 1M tokens | $1.80 | $0.900 |
| Accepts | text, images | text, images, video |
| Produces | text | text |
| Reasoning | Yes | Yes |
| Tool use | Yes | Yes |
| Added to OpenRouter | 2025-08-11 | 2025-12-08 |
| Model ID | z-ai/glm-4.5v | z-ai/glm-4.6v |
Questions and answers
Which is cheaper, GLM 4.5V or GLM 4.6V?
GLM 4.6V costs less for both input ($0.300 vs $0.600) and output ($0.900 vs $1.80) per million tokens. On input, GLM 4.6V is 50% cheaper.
Which has the larger context window?
GLM 4.6V: 131K tokens against 66K for GLM 4.5V (2× as long).
What can one do that the other cannot?
Nothing among reasoning, tool use and image input: both support reasoning, tool use and image input.
Answers are computed from the 2026-10-24 catalog snapshot.