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MiMo V2.6 Pro UltraSpeed vs Claude Fable 5.1

At a glance

Xiaomi's flagship MiMo V2.6 Pro served for speed: the same 1T checkpoint at roughly 10x the output rate.

1.0M ctx$4.35/$8.70 per M

Anthropic's upgraded Mythos-class flagship, with the biggest gains in agentic coding, long-running agentic workflows, and knowledge work.

1M ctx$10.00/$50.00 per M
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
Cheaper73%
Reasoning & Knowledge
Expert-Level—Factual Recall—
Math
Competition Math—
Agentic
Novel Reasoning—
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
Sources:Epoch AI·OpenRouter· as of 2026-10-02
Reasoning & Knowledge
Expert-Level46.5%Factual Recall70.8%
Math
Competition Math100.0%
Agentic
Novel Reasoning90.0%
Specs
1.0M
Context
131K
Max output
Sep 2026
Released
1M
Context
128K
Max output
Sep 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input57%$4.35/M tokens
Output83%$8.70/M tokens
Cache read86%$0.04/M tokens
Live pricing, shown before you run
Input$10.00/M tokens
Output$50.00/M tokens
Cache read$0.25/M tokens
Cache write$12.50/M tokens
Web search$0.01/search
Chat with MiMo V2.6 Pro UltraSpeedGo to model
Chat with Claude Fable 5.1Go to model
Frequently Asked Questions: MiMo V2.6 Pro UltraSpeed vs Claude Fable 5.1▼

Which is better, MiMo V2.6 Pro UltraSpeed or Claude Fable 5.1?

▼

Both MiMo V2.6 Pro UltraSpeed and Claude Fable 5.1 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 V2.6 Pro UltraSpeed or Claude Fable 5.1?

▼

MiMo V2.6 Pro UltraSpeed has a lower blended cost. MiMo V2.6 Pro UltraSpeed: $4.35 input / $8.70 output. Claude Fable 5.1: $10.00 input / $50.00 output.

Which has a larger context window, MiMo V2.6 Pro UltraSpeed or Claude Fable 5.1?

▼

MiMo V2.6 Pro UltraSpeed has a larger context window: MiMo V2.6 Pro UltraSpeed supports 1M tokens vs Claude Fable 5.1 at 1M tokens.

Do both MiMo V2.6 Pro UltraSpeed and Claude Fable 5.1 support vision?

▼

Yes, both MiMo V2.6 Pro UltraSpeed and Claude Fable 5.1 support vision/image input.

What are the key differences between MiMo V2.6 Pro UltraSpeed and Claude Fable 5.1?

▼

Key differences: MiMo V2.6 Pro UltraSpeed is significantly cheaper. 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 V2.6 Pro UltraSpeed and Claude Fable 5.1 for free on idapt.app to see which performs better for your specific needs.

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