Pyyan / Compare / GPT-5.4 mini vs Claude Sonnet 5

GPT-5.4 mini vs Claude Sonnet 5

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Language Models · verified 13 Aug 2026

GPT-5.4 miniOpenAIcurrent
Claude Sonnet 5Anthropiccurrent
3 slots left
SpecificationGPT-5.4 miniClaude Sonnet 5
SummaryCheap tier for high-volume work.Near-Opus quality on coding and agentic work at Sonnet cost.
Context1M
Input ($/Mtok)$0.75$3
Output ($/Mtok)$4.5$15
LicenceProprietaryProprietary
Max output128K
Model IDclaude-sonnet-5
CategoryLanguage ModelsLanguage Models
OfficialOpenAIAnthropic

Highlighted rows are where these differ.

GPT-5.4 mini

Cheap tier for high-volume work.

Best for high volume.

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 →