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Claude Opus 5.5 · alternatives

12 alternatives to Claude Opus 5.5

Claude Opus 5.5 (Anthropic's first model in their new Claude 5.5 family) is unjudged so far on Roasty. These are the startups that do the closest thing, ranked by how the same strangers judged them.

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Claude Opus 5.5 alternatives: 12 similar startups, ranked