GLM 4.5 Air vs GLM-5-Turbo
GLM 4.5 Air is cheaper on output tokens, while GLM-5-Turbo offers a larger context window. Choose GLM 4.5 Air or GLM-5-Turbo based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GLM 4.5 Air | GLM-5-Turbo |
|---|---|---|
| Provider | Z.ai | Z.AI |
| Input / 1M tokens | $0.13 | $1.20 |
| Output / 1M tokens | $0.85 | $4.00 |
| Context window | 131K | 200K |
| Parameters | — | — |
| Open weights | — | No |
| Released | — | Mar 2026 |
| LMArena (Chatbot Arena) Elo score | 1384 | — |
FAQ
Is GLM 4.5 Air or GLM-5-Turbo cheaper?
GLM 4.5 Air is cheaper on output tokens ($0.85 vs $4.00 per 1M).
Which has the larger context window, GLM 4.5 Air or GLM-5-Turbo?
GLM-5-Turbo has the larger context window (200K tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.