Z.AI GLM-5.1 vs DeepSeek v4 Pro
DeepSeek v4 Pro is cheaper on output tokens, while Z.AI GLM-5.1 offers a larger context window. Choose Z.AI GLM-5.1 or DeepSeek v4 Pro based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Z.AI GLM-5.1 | DeepSeek v4 Pro |
|---|---|---|
| Provider | FrogBot | FrogBot |
| Input / 1M tokens | $1.40 | $1.74 |
| Output / 1M tokens | $4.40 | $3.48 |
| Context window | 198K | 128K |
| Parameters | — | 1.6T |
| Open weights | Yes | No |
| Released | Jan 2025 | Apr 2026 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.