Arcee AI's flagship model for complex enterprise tasks.
xAI's Opus-class flagship for frontier coding, agentic tool use, and knowledge work.
No shared agent demos for these models yet.
No captured outputs for these models yet.
This model hasn't been benchmarked yet.
Both Virtuoso Large and Grok 4.5 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.
Virtuoso Large has a lower blended cost. Virtuoso Large: $0.75 input / $1.20 output. Grok 4.5: $2.00 input / $6.00 output.
Grok 4.5 has a larger context window: Virtuoso Large supports 131K tokens vs Grok 4.5 at 500K tokens.
Grok 4.5 supports vision/image input, but Virtuoso Large does not.
Key differences: Virtuoso Large is significantly cheaper; 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 Virtuoso Large and Grok 4.5 for free on idapt.app to see which performs better for your specific needs.