DeepSeek V4.1 Flash is cheaper than Llama 3.1 405B at $0.15/M vs $2.7/M input tokens.
| Spec | DeepSeek V4.1 Flash | Llama 3.1 405B |
|---|---|---|
| Input price | $0.15/M tokens | $2.7/M tokens |
| Output price | $0.6/M tokens | $3.1/M tokens |
| Context window | 1.0M tokens | 128K tokens |
| Weights | Open | Open |
| Free API (OpenRouter) | No | No |
| Released | Sep 2026 | Jul 2024 |
Not enough votes to call it. On the specs, nothing separates them.
DeepSeek V4.1 Flash costs 5.2x less per token.
DeepSeek V4.1 Flash is cheaper on both: 18× input, 5.2× output.
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 22 Sep 2026.