The AI Tokens

Claude Opus 4.6 vs Claude Sonnet 4.6 Comparison

Compare Anthropic's Claude Opus 4.6 with Claude Sonnet 4.6. Intelligence vs efficiency analysis.

Quick Summary

Claude Sonnet 4.6 offers better performance than Opus at a fraction of the cost, making it the better choice for most use cases.

Winner: Claude Sonnet 4.6

Pricing Comparison

Claude Opus 4.6

Input
$5/1M tokens
Output
$25/1M tokens

Claude Sonnet 4.6

Input
$3/1M tokens
Output
$15/1M tokens

Key Differences

  • Claude Sonnet 4.6 is 5x cheaper than Opus
  • Claude Sonnet 4.6 is faster
  • Claude Opus 4.6 has slightly better reasoning on complex tasks
  • Claude Sonnet 4.6 has more recent training data
  • Both have 200K context windows

Best Use Cases

Claude Opus 4.6

  • Extremely complex reasoning
  • Research applications
  • When cost is not a concern
  • Maximum quality requirements
  • Complex mathematical proofs

Claude Sonnet 4.6

  • Production applications
  • Business use cases
  • Content creation
  • Code generation
  • Most AI applications

Related Comparisons

GPT-4o vs Claude Sonnet 4.6GPT-4o vs Gemini 2.5 ProClaude Sonnet 4.6 vs Gemini Pro