DeepSeek V4.1 Flash is cheaper than GLM 5.3 FlashX at $0.15/M vs $0.37/M input tokens.
| Spec | DeepSeek V4.1 Flash | GLM 5.3 FlashX |
|---|---|---|
| Input price | $0.15/M tokens | $0.37/M tokens |
| Output price | $0.6/M tokens | $1.25/M tokens |
| Context window | 1.0M tokens | 1.0M tokens |
| Weights | Open | — |
| Free API (OpenRouter) | No | No |
| Released | Sep 2026 | Sep 2026 |
Not enough votes to call it. On the specs, nothing separates them.
DeepSeek V4.1 Flash is cheaper on both: 2.5× input, 2.1× output.
Per million tokens. Prices and uptime via OpenRouter, checked 22 Sep 2026.