Price Per TokenPrice Per Token
Anthropic
Anthropic
vs
OpenAI
OpenAI

Claude 3 Opus vs o3 Pro

A detailed comparison of pricing, benchmarks, and capabilities

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Key Takeaways

Claude 3 Opus wins:

  • Cheaper input tokens
  • Cheaper output tokens
  • Better at coding

o3 Pro wins:

  • Faster response time
  • Higher intelligence benchmark
  • Has reasoning mode
Price Advantage
Claude 3 Opus
Benchmark Advantage
Claude 3 Opus
Context Window
o3 Pro
Speed
o3 Pro

Pricing Comparison

Benchmark Comparison

Context & Performance

Capabilities

Feature Comparison

FeatureClaude 3 Opuso3 Pro
Vision (Image Input)
Tool/Function Calls
Reasoning Mode
Audio Input
Audio Output
PDF Input
Prompt Caching
Web Search

License & Release

PropertyClaude 3 Opuso3 Pro
LicenseProprietaryProprietary
AuthorAnthropicOpenAI
ReleasedUnknownJun 2025

Claude 3 Opus Modalities

Input
Output

o3 Pro Modalities

Input
textfileimage
Output
text

Frequently Asked Questions

Claude 3 Opus has cheaper input pricing at $15.00/M tokens. Claude 3 Opus has cheaper output pricing at $75.00/M tokens.
Claude 3 Opus has a 200,000 token context window, while o3 Pro has a 200,000 token context window.
Claude 3 Opus supports vision. o3 Pro supports vision.