GLM 4.5 vs GLM 4.6
Both have similar output pricing, while GLM 4.6 offers a larger context window. Choose GLM 4.5 or GLM 4.6 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GLM 4.5 | GLM 4.6 |
|---|---|---|
| Provider | Z.ai | Z.ai |
| Input / 1M tokens | $0.60 | $0.55 |
| Output / 1M tokens | $2.20 | $2.20 |
| Context window | 131K | 205K |
| Parameters | 355B | 357B |
| Open weights | Yes | Yes |
| Released | Aug 2025 | Sep 2025 |
| SWE-bench Verified score | 64.2 | 68.2 |
| LMArena (Chatbot Arena) Elo score | 1430 | 1440 |
| LiveBench score | — | 54.7 |
| LMArena WebDev Elo score | — | 1341 |
| FrontierMath score | — | 3.8 |
FAQ
Is GLM 4.5 or GLM 4.6 cheaper?
GLM 4.5 and GLM 4.6 have comparable output pricing.
Which has the larger context window, GLM 4.5 or GLM 4.6?
GLM 4.6 has the larger context window (205K tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.