OpenAI's original omni model supporting text and image inputs.
xAI's smartest model, with frontier performance on coding, knowledge work, and STEM.
No shared demos for these models yet.
No captured outputs for these models yet.
Both GPT 4o and Grok 4.6 are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.
Grok 4.6 has a lower blended cost. GPT 4o: $2.50 input / $10.00 output. Grok 4.6: $2.00 input / $6.00 output.
Grok 4.6 has a larger context window: GPT 4o supports 128K tokens vs Grok 4.6 at 500K tokens.
Yes, both GPT 4o and Grok 4.6 support vision/image input.
Key differences: only Grok 4.6 offers extended reasoning mode. Compare full specs on this page.
If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both GPT 4o and Grok 4.6 for free on idapt.app to see which performs better for your specific needs.