Price Per TokenPrice Per Token
Anthropic
Anthropic
vs
OpenAI
OpenAI

Claude Opus 4.1 vs o3 Deep Research

A detailed comparison of pricing, benchmarks, and capabilities

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Key Takeaways

Claude Opus 4.1 wins:

  • Faster response time
  • Higher intelligence benchmark

o3 Deep Research wins:

  • Cheaper input tokens
  • Cheaper output tokens
Price Advantage
o3 Deep Research
Benchmark Advantage
Claude Opus 4.1
Context Window
o3 Deep Research
Speed
Claude Opus 4.1

Pricing Comparison

Benchmark Comparison

Context & Performance

Capabilities

Feature Comparison

FeatureClaude Opus 4.1o3 Deep Research
Vision (Image Input)
Tool/Function Calls
Reasoning Mode
Audio Input
Audio Output
PDF Input
Prompt Caching
Web Search

License & Release

PropertyClaude Opus 4.1o3 Deep Research
LicenseProprietaryProprietary
AuthorAnthropicOpenAI
ReleasedAug 2025Oct 2025

Claude Opus 4.1 Modalities

Input
imagetextfile
Output
text

o3 Deep Research Modalities

Input
imagetextfile
Output
text

Frequently Asked Questions

o3 Deep Research has cheaper input pricing at $10.00/M tokens. o3 Deep Research has cheaper output pricing at $40.00/M tokens.
Claude Opus 4.1 has a 200,000 token context window, while o3 Deep Research has a 200,000 token context window.
Claude Opus 4.1 supports vision. o3 Deep Research supports vision.