o1-mini vs GLM 5.1
GLM 5.1 is cheaper on output tokens, while GLM 5.1 offers a larger context window. Choose o1-mini or GLM 5.1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | o1-mini | GLM 5.1 |
|---|---|---|
| Provider | Azure | Z.ai |
| Input / 1M tokens | $1.10 | $0.97 |
| Output / 1M tokens | $4.40 | $3.04 |
| Context window | 128K | 205K |
| Parameters | — | 754B |
| Open weights | No | — |
| Released | Sep 2024 | Apr 2026 |
| Aider Polyglot score | 32.9 | — |
| FrontierMath score | 1.7 | 33.5 |
| Epoch Capabilities Index score | 136 | 150 |
| LMArena (Chatbot Arena) Elo score | 1317 | 1463 |
| GPQA Diamond score | 62.4 | 89.9 |
| LiveBench score | — | 70.6 |
| LMArena WebDev Elo score | — | 1508 |
FAQ
Is o1-mini or GLM 5.1 cheaper?
GLM 5.1 is cheaper on output tokens ($3.04 vs $4.40 per 1M).
Which has the larger context window, o1-mini or GLM 5.1?
GLM 5.1 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.