Solar Pro 4 is cheaper than Grok 3 Mini Beta at $0.09/M vs $0.4/M input tokens.
| Spec | Grok 3 Mini Beta | Solar Pro 4 |
|---|---|---|
| Input price | $0.4/M tokens | $0.09/M tokens |
| Output price | $0.8/M tokens | $0.36/M tokens |
| Context window | 131K tokens | 524K tokens |
| Free API (OpenRouter) | No | No |
| Released | Apr 2025 | Aug 2026 |
Not enough votes to call it. On the specs, Solar Pro 4 has the edge: bigger model tier, newer, bigger context window.
Solar Pro 4 is cheaper on both: 4.4× input, 2.2× output.
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 22 Sep 2026.