Price Per TokenPrice Per Token
OpenAI
OpenAI
vs
Xiaomi

o4 Mini vs MiMo v2 Omni

A detailed comparison of pricing, benchmarks, and capabilities

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Key Takeaways

o4 Mini wins:

  • Faster response time
  • Better at math
  • Has reasoning mode

MiMo v2 Omni wins:

  • Cheaper input tokens
  • Cheaper output tokens
  • Larger context window
  • Higher intelligence benchmark
  • Better at coding
Price Advantage
MiMo v2 Omni
Benchmark Advantage
MiMo v2 Omni
Context Window
MiMo v2 Omni
Speed
o4 Mini

Pricing Comparison

Benchmark Comparison

Context & Performance

Capabilities

Feature Comparison

Featureo4 MiniMiMo v2 Omni
Vision (Image Input)
Tool/Function Calls
Reasoning Mode
Audio Input
Audio Output
PDF Input
Prompt Caching
Web Search

License & Release

Propertyo4 MiniMiMo v2 Omni
LicenseProprietaryProprietary
AuthorOpenAIXiaomi
ReleasedApr 2025Mar 2026

o4 Mini Modalities

Input
imagetextfile
Output
text

MiMo v2 Omni Modalities

Input
textaudioimagevideo
Output
text

Frequently Asked Questions

MiMo v2 Omni has cheaper input pricing at $0.40/M tokens. MiMo v2 Omni has cheaper output pricing at $2.00/M tokens.
MiMo v2 Omni scores higher on coding benchmarks with a score of 35.5, compared to o4 Mini's score of 25.6.
o4 Mini has a 200,000 token context window, while MiMo v2 Omni has a 262,144 token context window.
o4 Mini supports vision. MiMo v2 Omni supports vision.