xAI's Opus-class flagship for frontier coding, agentic tool use, and knowledge work.
MiniMax's previous flagship model — strong long context and multimodal.
No shared demos for these models yet.
No captured outputs for these models yet.
Both Grok 4.5 and MiniMax M1 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.
MiniMax M1 has a lower blended cost. Grok 4.5: $2.00 input / $6.00 output. MiniMax M1: $0.55 input / $2.20 output.
MiniMax M1 has a larger context window: Grok 4.5 supports 500K tokens vs MiniMax M1 at 1M tokens.
Grok 4.5 supports vision/image input, but MiniMax M1 does not.
Key differences: MiniMax M1 is significantly cheaper; only Grok 4.5 supports vision input. 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 MiniMax M1 for free on idapt.app to see which performs better for your specific needs.