GLM-5.3-Flash vs GPT-5.4
GLM-5.3-Flash is cheaper on output tokens, while GLM-5.3-Flash offers a larger context window. Choose GLM-5.3-Flash or GPT-5.4 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GLM-5.3-Flash | GPT-5.4 |
|---|---|---|
| Provider | Vivgrid | Vivgrid |
| Input / 1M tokens | $0.15 | $2.50 |
| Output / 1M tokens | $0.50 | $15.00 |
| Context window | 1M | 400K |
| Parameters | — | — |
| Open weights | Yes | No |
| Released | Aug 2026 | Mar 2026 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.