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Pyyan / Compare / Muse Spark 1.2 vs Claude Opus 5

Muse Spark 1.2 vs Claude Opus 5

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Language Models · verified 13 Aug 2026

Muse Spark 1.2Metacurrent
Claude Opus 5Anthropiccurrent
3 slots left
SpecificationMuse Spark 1.2Claude Opus 5
SummaryMeta's first paid, closed model line.Complex agentic coding and enterprise work at half the cost of Fable 5.
Context—1M
Input ($/Mtok)—$5
Output ($/Mtok)—$25
LicenceProprietaryProprietary
Max output—128K
ReleasedJul 202624 Jul 2026
Model ID—claude-opus-5
CategoryLanguage ModelsLanguage Models
OfficialMeta ↗Anthropic ↗

Highlighted rows are where these differ.

Muse Spark 1.2

Meta's first paid, closed model line.

Best for Meta ecosystem.

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 →