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Claude Opus 5.5 vs Muse Wonder

Claude Opus 5.5 is the cheaper option on input; Claude Opus 5.5 is cheaper on output. Figures below are per million tokens, from vendor pricing cited in our reporting.

 Claude Opus 5.5Muse Wonder
Input per 1M tokens$4$4
Output per 1M tokens$20$20
Cached input per 1M——
Context window——
Parameters——
Licenceproprietaryproprietary
Benchmark——
VendorAnthropicMeta
Released14 Oct 202614 Oct 2026

What the numbers say

Sources

Claude Opus 5.5 specs · Muse Wonder specs · Full price index