Price Per TokenPrice Per Token
Anthropic
Anthropic
vs
Perplexity
Perplexity

Claude Opus 4.6 vs Sonar Reasoning

A detailed comparison of pricing, benchmarks, and capabilities

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Key Takeaways

Claude Opus 4.6 wins:

  • Larger context window
  • Faster response time
  • Higher intelligence benchmark
  • Better at coding

Sonar Reasoning wins:

  • Cheaper input tokens
  • Cheaper output tokens
Price Advantage
Sonar Reasoning
Benchmark Advantage
Claude Opus 4.6
Context Window
Claude Opus 4.6
Speed
Claude Opus 4.6

Pricing Comparison

Benchmark Comparison

Context & Performance

Capabilities

Feature Comparison

FeatureClaude Opus 4.6Sonar Reasoning
Vision (Image Input)
Tool/Function Calls
Reasoning Mode
Audio Input
Audio Output
PDF Input
Prompt Caching
Web Search

License & Release

PropertyClaude Opus 4.6Sonar Reasoning
LicenseProprietaryProprietary
AuthorAnthropicPerplexity
ReleasedFeb 2026Unknown

Claude Opus 4.6 Modalities

Input
textimage
Output
text

Sonar Reasoning Modalities

Input
Output

Frequently Asked Questions

Sonar Reasoning has cheaper input pricing at $1.00/M tokens. Sonar Reasoning has cheaper output pricing at $5.00/M tokens.
Claude Opus 4.6 has a 1,000,000 token context window, while Sonar Reasoning has a 127,000 token context window.
Claude Opus 4.6 supports vision. Sonar Reasoning supports vision.