Xiaomi's flagship MiMo V2.6 Pro served for speed: the same 1T checkpoint at roughly 10x the output rate.
Z.ai's large-scale reasoning flagship for complex software engineering and long-horizon agent tasks.
No shared demos for these models yet.
No captured outputs for these models yet.
Both MiMo V2.6 Pro UltraSpeed and GLM 5.3 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.
GLM 5.3 has a lower blended cost. MiMo V2.6 Pro UltraSpeed: $4.35 input / $8.70 output. GLM 5.3: $0.22 input / $3.39 output.
MiMo V2.6 Pro UltraSpeed has a larger context window: MiMo V2.6 Pro UltraSpeed supports 1M tokens vs GLM 5.3 at 1M tokens.
MiMo V2.6 Pro UltraSpeed supports vision/image input, but GLM 5.3 does not.
Key differences: GLM 5.3 is significantly cheaper; only MiMo V2.6 Pro UltraSpeed 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 MiMo V2.6 Pro UltraSpeed and GLM 5.3 for free on idapt.app to see which performs better for your specific needs.