FLUX.2 Klein 4B vs GLM-5.1
Both have similar output pricing, while GLM-5.1 offers a larger context window. Choose FLUX.2 Klein 4B or GLM-5.1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | FLUX.2 Klein 4B | GLM-5.1 |
|---|---|---|
| Provider | Nvidia | Nvidia |
| Input / 1M tokens | $0.00 | $0.00 |
| Output / 1M tokens | $0.00 | $0.00 |
| Context window | 41K | 131K |
| Parameters | — | 754B |
| Open weights | Yes | Yes |
| Released | Jan 2026 | Mar 2026 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.