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Models/Anthropic

Claude Opus 5.5

Vendor
Anthropic
Model id
claude-opus-5-5
Effort
Max effort
Harness
Claude Code 2.1.302

Website UI

SaaS landing page

Built in 43m 20s

Compare all fourOpen live

Software UI

Analytics dashboard

Built in 1h 21m

Compare all fourOpen live

Simulation

Balls in a spinning hexagon

Built in 40m 11s

Compare all fourOpen live

3D game

First-person shooter

Built in 2h 30m

Compare all fourOpen live

Head to head

Claude Opus 5.5vsClaude Fable 5.1Claude Opus 5.5vsGPT-6 AstraClaude Opus 5.5vsGPT-6.1 Sol