DeepSeek V4.1 Flash vs GLM 5.3 Flash
DeepSeek V4.1 Flash is cheaper on output tokens. Choose DeepSeek V4.1 Flash or GLM 5.3 Flash based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | DeepSeek V4.1 Flash | GLM 5.3 Flash |
|---|---|---|
| Provider | DeepSeek | Z.ai |
| Input / 1M tokens | $0.01 | $0.04 |
| Output / 1M tokens | $0.89 | $0.90 |
| Context window | 1M | 1M |
| Parameters | — | — |
| Open weights | — | — |
| Released | — | — |
| GPQA Diamond score | 89.8 | 90.2 |
| LMArena (Chatbot Arena) Elo score | 1463 | 1471 |
| LMArena WebDev Elo score | 1619 | 1606 |
| LMArena Vision Elo score | 1277 | 1296 |
| Epoch Capabilities Index score | 156 | 153 |
FAQ
Is DeepSeek V4.1 Flash or GLM 5.3 Flash cheaper?
DeepSeek V4.1 Flash is cheaper on output tokens ($0.89 vs $0.90 per 1M).
Which has the larger context window, DeepSeek V4.1 Flash or GLM 5.3 Flash?
Both models offer a similar context window.
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.