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MiMo V2.5 Pro vs Grok 4.5

At a glance

Xiaomi's flagship model for general agentic capabilities, complex software engineering, and long-horizon tasks.

1.0M ctx$0.43/$0.87 per M

xAI's Opus-class flagship for frontier coding, agentic tool use, and knowledge work.

89500K ctx$2.00/$6.00 per M#6/92
Demos
All demos

No shared demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Cheaper82%
Capability
Capability—
Reasoning & Knowledge
Graduate Science—Factual Recall—
Math
Competition Math—
Agentic
Terminal Tasks—
Reasoning
CI 86.2-90.3
CodingInsufficient data
Sources:Epoch ECI·Epoch AI·Provider·OpenRouter· as of 2026-07-10
Capability
CapabilityECI88.5
Reasoning & Knowledge
Graduate Science93.4%Factual Recall53.5%
Math
Competition Math97.8%
Agentic
Terminal Tasks83.3%
Specs
1.0M
Context
131K
Max output
Apr 2026
Released
500K
Context
16K
Max output
Jul 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input78%$0.43/M tokens
Output86%$0.87/M tokens
Cache read99%$0.004/M tokens
Live pricing, shown before you run
Input$2.00/M tokens
Output$6.00/M tokens
Cache read$0.30/M tokens
Web search$0.005/search
Chat with MiMo V2.5 ProGo to model
Chat with Grok 4.5Go to model
Frequently Asked Questions: MiMo V2.5 Pro vs Grok 4.5▼

Which is better, MiMo V2.5 Pro or Grok 4.5?

▼

Both MiMo V2.5 Pro 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.

Which is cheaper, MiMo V2.5 Pro or Grok 4.5?

▼

MiMo V2.5 Pro has a lower blended cost. MiMo V2.5 Pro: $0.43 input / $0.87 output. Grok 4.5: $2.00 input / $6.00 output.

Which has a larger context window, MiMo V2.5 Pro or Grok 4.5?

▼

MiMo V2.5 Pro has a larger context window: MiMo V2.5 Pro supports 1M tokens vs Grok 4.5 at 500K tokens.

Do both MiMo V2.5 Pro and Grok 4.5 support vision?

▼

Grok 4.5 supports vision/image input, but MiMo V2.5 Pro does not.

What are the key differences between MiMo V2.5 Pro and Grok 4.5?

▼

Key differences: MiMo V2.5 Pro is significantly cheaper; only Grok 4.5 supports vision input. Compare full specs on this page.

Which model should I choose for my use case?

▼

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 V2.5 Pro and Grok 4.5 for free on idapt.app to see which performs better for your specific needs.

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