Key Info

GMI Cloud compared Claude Opus 5.5 and Sonnet 5.5 by asking each to build a 3D extreme-sports game demo starring a pelican, and reported that Sonnet 5.5 produced a better result at roughly half the cost of Opus 5.5.

Highlights

  • Task: build a 3D extreme-sports game demo featuring a pelican
  • Sonnet 5.5 judged to have done a better job than Opus 5.5
  • Sonnet 5.5 delivered the better result at approximately 2x lower cost