Price Per TokenPrice Per Token
OpenAI
OpenAI
vs
X
Xiaomi

GPT-5.3 Codex vs MiMo v2 Pro

A detailed comparison of pricing, benchmarks, and capabilities

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Key Takeaways

GPT-5.3 Codex wins:

  • Larger context window
  • Faster response time
  • Higher intelligence benchmark
  • Better at coding
  • Supports vision
  • Has reasoning mode
  • Supports tool calls

MiMo v2 Pro wins:

  • Cheaper input tokens
  • Cheaper output tokens
Price Advantage
MiMo v2 Pro
Benchmark Advantage
GPT-5.3 Codex
Context Window
GPT-5.3 Codex
Speed
GPT-5.3 Codex

Pricing Comparison

Benchmark Comparison

Context & Performance

Capabilities

Feature Comparison

FeatureGPT-5.3 CodexMiMo v2 Pro
Vision (Image Input)
Tool/Function Calls
Reasoning Mode
Audio Input
Audio Output
PDF Input
Prompt Caching
Web Search

License & Release

PropertyGPT-5.3 CodexMiMo v2 Pro
LicenseProprietaryProprietary
AuthorOpenAIXiaomi
ReleasedFeb 2026Unknown

GPT-5.3 Codex Modalities

Input
textimage
Output
text

MiMo v2 Pro Modalities

Input
Output

Related Comparisons

Compare GPT-5.3 Codex with:

Compare MiMo v2 Pro with:

See all model comparisons

Frequently Asked Questions

MiMo v2 Pro has cheaper input pricing at $1.00/M tokens. MiMo v2 Pro has cheaper output pricing at $3.00/M tokens.
GPT-5.3 Codex scores higher on coding benchmarks with a score of 53.1, compared to MiMo v2 Pro's score of 41.4.
GPT-5.3 Codex has a 400,000 token context window, while MiMo v2 Pro has a unknown token context window.
GPT-5.3 Codex supports vision. MiMo v2 Pro does not support vision.

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