Grok 4.7 has a larger context window than Grok 3 (500K tokens vs 128K tokens).
| Spec | Grok 3 | Grok 4.7 |
|---|---|---|
| Input price | — | $1.5999999999999999/M tokens |
| Output price | — | $4.8/M tokens |
| Context window | 128K tokens | 500K tokens |
| Weights | — | Closed |
| Free API (OpenRouter) | No | No |
| Released | Feb 2025 | Sep 2026 |
Not enough votes to call it. On the specs, nothing separates them.
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 22 Sep 2026.