xAI's Opus-class flagship for frontier coding, agentic tool use, and knowledge work.
12B model from Mistral and NVIDIA — efficient and multilingual.
No shared demos for these models yet.
No captured outputs for these models yet.
Both Grok 4.5 and Mistral Nemo 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.
Mistral Nemo has a lower blended cost. Grok 4.5: $2.00 input / $6.00 output. Mistral Nemo: $0.02 input / $0.03 output.
Grok 4.5 has a larger context window: Grok 4.5 supports 500K tokens vs Mistral Nemo at 131K tokens.
Grok 4.5 supports vision/image input, but Mistral Nemo does not.
Key differences: Mistral Nemo 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 Mistral Nemo for free on idapt.app to see which performs better for your specific needs.