Compare GPT-4o from OpenAI with Grok 4 from xAI. See how they perform on reasoning, analysis, and real-world questions.
GPT-4o from OpenAI is the established leader. Grok 4 from xAI (Elon Musk's AI company) is the ambitious challenger. Both are strong reasoning models with different personalities.
| Feature | GPT-4o | Grok 4 |
|---|---|---|
| Provider | OpenAI | xAI |
| Best for | General tasks, reliability | Bold analysis, direct answers |
| Personality | Professional, balanced | Direct, opinionated |
| Pricing | $2.50/$10 per 1M tokens | $5/$25 per 1M tokens |
| AI Brawls tier | Standard (1 cr) | Premium (3 cr) |
GPT-4o is the safer choice for everyday work. Grok 4 is worth trying when you want a second opinion that doesn't hold back. AI Brawls lets you compare them instantly.