GPT-4oOpenAI
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Grok 3xAI
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GPT-4o vs Grok 3
GPT-4o and Grok 3 are flagship models from OpenAI and xAI. GPT-4o is known for multimodal excellence and tool use, while Grok 3 brings strong reasoning with a distinct personality.
| Feature | GPT-4o | Grok 3 |
|---|---|---|
| Provider | OpenAI | xAI |
| Context Window | 128K tokens | 131K tokens |
| Vision | Yes | No |
| Function Calling | Native | Limited |
| Input Price / 1M tokens | $2.50 | $3.00 |
Our Verdict
GPT-4o is more versatile with vision and tool use support. Grok 3 is competitive on reasoning and may have more recent training data. GPT-4o is slightly cheaper per token.
Frequently Asked Questions
Does Grok 3 support image input?
No, Grok 3 is text-only. GPT-4o supports image inputs for vision tasks like image analysis and chart reading.
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