OpenAI o4-mini is cheaper than Grok 4.7 at $1.1/M vs $1.6/M input tokens.
| Spec | Grok 4.7 | OpenAI o4-mini |
|---|---|---|
| Input price | $1.6/M tokens | $1.1/M tokens |
| Output price | $4.8/M tokens | $4.4/M tokens |
| Context window | 500K tokens | — |
| Weights | Closed | Closed |
| Free API (OpenRouter) | No | No |
| Released | Sep 2026 | Apr 2025 |
Not enough votes to call it. On the specs, Grok 4.7 has the edge: bigger model tier, newer, bigger context window.
OpenAI o4-mini is cheaper on both: 1.5× input, 1.1× output.
Per million tokens. Prices and uptime via OpenRouter, checked 22 Sep 2026.