xAI's Opus-class flagship for frontier coding, agentic tool use, and knowledge work.
Nano-efficient Gemma 3 variant optimized for mobile and edge devices.
No shared demos for these models yet.
No captured outputs for these models yet.
Both Grok 4.5 and Gemma 3n E4B 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.
Gemma 3n E4B has a lower blended cost. Grok 4.5: $2.00 input / $6.00 output. Gemma 3n E4B: $0.06 input / $0.12 output.
Grok 4.5 has a larger context window: Grok 4.5 supports 500K tokens vs Gemma 3n E4B at 33K tokens.
Grok 4.5 supports vision/image input, but Gemma 3n E4B does not.
Key differences: Gemma 3n E4B 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 Grok 4.5 and Gemma 3n E4B for free on idapt.app to see which performs better for your specific needs.