GPT-5.3 Codex vs GLM-5.3
GLM-5.3 is cheaper on output tokens, while GLM-5.3 offers a larger context window. Choose GPT-5.3 Codex or GLM-5.3 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GPT-5.3 Codex | GLM-5.3 |
|---|---|---|
| Provider | Eden AI | Eden AI |
| Input / 1M tokens | $1.75 | $1.40 |
| Output / 1M tokens | $14.00 | $4.40 |
| Context window | 400K | 1M |
| Parameters | — | — |
| Open weights | No | Yes |
| Released | Feb 2026 | Aug 2026 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.