Price Per TokenPrice Per Token
OpenAI
OpenAI
vs
Xai
Xai

o3 vs Grok 3

A detailed comparison of pricing, benchmarks, and capabilities

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Key Takeaways

o3 wins:

  • Cheaper input tokens
  • Cheaper output tokens
  • Larger context window
  • Faster response time
  • Higher intelligence benchmark
  • Better at coding
  • Better at math
  • Supports vision
  • Has reasoning mode

Grok 3 wins:

  • No clear advantages in compared metrics
Price Advantage
o3
Benchmark Advantage
o3
Context Window
o3
Speed
o3

Pricing Comparison

Benchmark Comparison

Context & Performance

Capabilities

Feature Comparison

Featureo3Grok 3
Vision (Image Input)
Tool/Function Calls
Reasoning Mode
Audio Input
Audio Output
PDF Input
Prompt Caching
Web Search

License & Release

Propertyo3Grok 3
LicenseProprietaryProprietary
AuthorOpenAIXai
ReleasedApr 2025Jun 2025

o3 Modalities

Input
imagetextfile
Output
text

Grok 3 Modalities

Input
text
Output
text

Frequently Asked Questions

o3 has cheaper input pricing at $2.00/M tokens. o3 has cheaper output pricing at $8.00/M tokens.
o3 has a 200,000 token context window, while Grok 3 has a 131,072 token context window.
o3 supports vision. Grok 3 does not support vision.