Qwen3.5 27B vs GLM 4.5
GLM 4.5 is cheaper on output tokens, while Qwen3.5 27B offers a larger context window. Choose Qwen3.5 27B or GLM 4.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Qwen3.5 27B | GLM 4.5 |
|---|---|---|
| Provider | Alibaba | Z.ai |
| Input / 1M tokens | $0.30 | $0.60 |
| Output / 1M tokens | $2.40 | $2.20 |
| Context window | 262K | 131K |
| Parameters | — | 355B |
| Open weights | Yes | Yes |
| Released | Feb 2026 | Aug 2025 |
| LMArena (Chatbot Arena) Elo score | 1409 | 1430 |
| LMArena WebDev Elo score | 1358 | — |
| LMArena Vision Elo score | 1241 | — |
| SWE-bench Verified score | — | 64.2 |
FAQ
Is Qwen3.5 27B or GLM 4.5 cheaper?
GLM 4.5 is cheaper on output tokens ($2.20 vs $2.40 per 1M).
Which has the larger context window, Qwen3.5 27B or GLM 4.5?
Qwen3.5 27B has the larger context window (262K tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.