DeepSeek V4.1 Flash vs GLM 5.1
DeepSeek V4.1 Flash is cheaper on output tokens, while DeepSeek V4.1 Flash offers a larger context window. Choose DeepSeek V4.1 Flash or GLM 5.1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | DeepSeek V4.1 Flash | GLM 5.1 |
|---|---|---|
| Provider | Synthetic | Synthetic |
| Input / 1M tokens | $0.60 | $1.00 |
| Output / 1M tokens | $1.20 | $3.00 |
| Context window | 524K | 197K |
| Parameters | — | 754B |
| Open weights | Yes | Yes |
| Released | Sep 2026 | Mar 2026 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.