GPT 5.6 Luna vs GLM-5.3-Flash
GLM-5.3-Flash is cheaper on output tokens, while GPT 5.6 Luna offers a larger context window. Choose GPT 5.6 Luna or GLM-5.3-Flash based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GPT 5.6 Luna | GLM-5.3-Flash |
|---|---|---|
| Provider | Vivgrid | Vivgrid |
| Input / 1M tokens | $1.00 | $0.15 |
| Output / 1M tokens | $6.00 | $0.50 |
| Context window | 1.1M | 1M |
| Parameters | — | — |
| Open weights | No | Yes |
| Released | Jul 2026 | Aug 2026 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.