xAI's flagship reasoning model with parallel tool calling.
OpenAI's upgraded high-end GPT-6.1 tier, positioned below the flagship GPT 6 Astra.
No shared demos for these models yet.
No captured outputs for these models yet.
This model hasn't been benchmarked yet.
Both Grok 4 and GPT 6.1 Sol 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.
GPT 6.1 Sol has a larger context window: Grok 4 supports 256K tokens vs GPT 6.1 Sol at 1.1M tokens.
Yes, both Grok 4 and GPT 6.1 Sol support vision/image input.
Key differences: only GPT 6.1 Sol 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 Grok 4 and GPT 6.1 Sol for free on idapt.app to see which performs better for your specific needs.