Price Per TokenPrice Per Token
Aion Labs
Aion Labs
vs
OpenAI
OpenAI

Aion-1.0-Mini vs GPT-5.2-Codex

A detailed comparison of pricing, benchmarks, and capabilities

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Key Takeaways

Aion-1.0-Mini wins:

  • Cheaper input tokens
  • Cheaper output tokens

GPT-5.2-Codex wins:

  • Larger context window
  • Faster response time
  • Higher intelligence benchmark
  • Better at coding
  • Has reasoning mode
Price Advantage
Aion-1.0-Mini
Benchmark Advantage
GPT-5.2-Codex
Context Window
GPT-5.2-Codex
Speed
GPT-5.2-Codex

Pricing Comparison

Benchmark Comparison

Context & Performance

Capabilities

Feature Comparison

FeatureAion-1.0-MiniGPT-5.2-Codex
Vision (Image Input)
Tool/Function Calls
Reasoning Mode
Audio Input
Audio Output
PDF Input
Prompt Caching
Web Search

License & Release

PropertyAion-1.0-MiniGPT-5.2-Codex
LicenseProprietaryProprietary
AuthorAion LabsOpenAI
ReleasedFeb 2025Jan 2026

Aion-1.0-Mini Modalities

Input
text
Output
text

GPT-5.2-Codex Modalities

Input
textimage
Output
text

Frequently Asked Questions

Aion-1.0-Mini has cheaper input pricing at $0.70/M tokens. Aion-1.0-Mini has cheaper output pricing at $1.40/M tokens.
Aion-1.0-Mini has a 131,072 token context window, while GPT-5.2-Codex has a 400,000 token context window.
Aion-1.0-Mini supports vision. GPT-5.2-Codex supports vision.