GLM-5.3 vs GPT-4o mini
Both have similar output pricing, while GPT-4o mini offers a larger context window. Choose GLM-5.3 or GPT-4o mini based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GLM-5.3 | GPT-4o mini |
|---|---|---|
| Provider | Z.ai (Zhipu AI) | Abacus |
| Input / 1M tokens | — | $0.15 |
| Output / 1M tokens | — | $0.60 |
| Context window | — | 128K |
| Parameters | 744B | — |
| Open weights | No | No |
| Released | Aug 2026 | Jul 2024 |
FAQ
Is GLM-5.3 or GPT-4o mini cheaper?
GLM-5.3 and GPT-4o mini have comparable output pricing.
Which has the larger context window, GLM-5.3 or GPT-4o mini?
GPT-4o mini has the larger context window (128K tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.