Pyyan / Compare / Claude Sonnet 4.6 vs Claude Sonnet 5

Claude Sonnet 4.6 vs Claude Sonnet 5

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Language Models · verified 13 Aug 2026

Claude Sonnet 4.6Anthropiccurrent
Claude Sonnet 5Anthropiccurrent
3 slots left
SpecificationClaude Sonnet 4.6Claude Sonnet 5
SummaryPrevious Sonnet generation.Near-Opus quality on coding and agentic work at Sonnet cost.
Context1M1M
Input ($/Mtok)$3$3
Output ($/Mtok)$15$15
LicenceProprietaryProprietary
Max output128K128K
Model IDclaude-sonnet-4-6claude-sonnet-5
CategoryLanguage ModelsLanguage Models
OfficialAnthropicAnthropic

Highlighted rows are where these differ.

Claude Sonnet 4.6

Previous Sonnet generation.

Best for legacy pins.

Full spec sheet →

Claude Sonnet 5

  • Adaptive thinking on by default
  • New tokenizer — roughly 30% more tokens for the same text
  • Introductory $2/$10 through 31 Aug 2026

Best for high-volume production.

Full spec sheet →