Qwen3.8 Max Prime has a larger context window than Riverflow V2 Fast (1.0M tokens vs 8K tokens).
| Spec | Qwen3.8 Max Prime | Riverflow V2 Fast |
|---|---|---|
| Input price | $4/M tokens | — |
| Output price | $12/M tokens | — |
| Context window | 1.0M tokens | 8K tokens |
| Weights | Closed | — |
| Free API (OpenRouter) | No | No |
| Released | Sep 2026 | Feb 2026 |
Not enough votes to call it. On the specs, Qwen3.8 Max Prime has the edge: newer, bigger context window.
Per million tokens. Prices and uptime via OpenRouter, checked 25 Sep 2026.