DeepSeek V4.1 Flash is cheaper than GLM 4.5 at $0.15/M vs $0.6/M input tokens.
| Spec | DeepSeek V4.1 Flash | GLM 4.5 |
|---|---|---|
| Input price | $0.15/M tokens | $0.6/M tokens |
| Output price | $0.6/M tokens | $2.2/M tokens |
| Context window | 1.0M tokens | 128K tokens |
| Weights | Open | Open |
| Free API (OpenRouter) | No | No |
| Released | Sep 2026 | Jul 2025 |
Not enough votes to call it. On the specs, DeepSeek V4.1 Flash has the edge: newer, bigger context window.
DeepSeek V4.1 Flash costs 3.7x less per token.
DeepSeek V4.1 Flash is cheaper on both: 4.0× input, 3.7× output.
Per million tokens. Prices and uptime via OpenRouter, checked 22 Sep 2026.