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Pyyan / Compare / Claude Haiku 4.5 vs Claude Opus 5

Claude Haiku 4.5 vs Claude Opus 5

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Language Models · verified 13 Aug 2026

Claude Haiku 4.5Anthropiccurrent
Claude Opus 5Anthropiccurrent
3 slots left
SpecificationClaude Haiku 4.5Claude Opus 5
SummaryFastest and cheapest Claude tier.Complex agentic coding and enterprise work at half the cost of Fable 5.
Context200K1M
Input ($/Mtok)$1$5
Output ($/Mtok)$5$25
LicenceProprietaryProprietary
Max output64K128K
Released—24 Jul 2026
Model IDclaude-haiku-4-5claude-opus-5
CategoryLanguage ModelsLanguage Models
OfficialAnthropic ↗Anthropic ↗

Highlighted rows are where these differ.

Claude Haiku 4.5

Fastest and cheapest Claude tier.

Best for classification and subagents.

Full spec sheet →

Claude Opus 5

  • Thinking on by default — a step change over Opus 4.8
  • 512-token prompt-cache minimum, down from 1024
  • Separate rate-limit bucket from the Opus 4.x pool

Best for agentic coding.

Full spec sheet →