xAI's Opus-class flagship for frontier coding, agentic tool use, and knowledge work.
Mistral's large MoE model with 8 expert groups and 22B each.
No shared demos for these models yet.
No captured outputs for these models yet.
Both Grok 4.5 and Mixtral 8x22B 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 4.5 has a lower blended cost. Grok 4.5: $2.00 input / $6.00 output. Mixtral 8x22B: $2.00 input / $6.00 output.
Grok 4.5 has a larger context window: Grok 4.5 supports 500K tokens vs Mixtral 8x22B at 66K tokens.
Grok 4.5 supports vision/image input, but Mixtral 8x22B does not.
Key differences: only Grok 4.5 supports vision input; only Grok 4.5 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 4.5 and Mixtral 8x22B for free on idapt.app to see which performs better for your specific needs.