DeepSeek V4.1 Flash is cheaper than GLM 5.3 Prime at $0.15/M vs $2.8/M input tokens.
| Spec | DeepSeek V4.1 Flash | GLM 5.3 Prime |
|---|---|---|
| Input price | $0.15/M tokens | $2.8/M tokens |
| Output price | $0.6/M tokens | $8.8/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 costs 15x less per token.
DeepSeek V4.1 Flash is cheaper on both: 19× input, 15× output.
Per million tokens. Prices and uptime via OpenRouter, checked 25 Sep 2026.