Pelican Test: Opus 5.5 Burns 2x Tokens for 4% Higher Cost

A Reddit test pitting Fable 5.2 Low against Opus 5.5 Med on a single-file HTML pelican animation found Opus used roughly 2x the tokens for only 4% higher cost, producing more work but with some errors.

2026-11-11 ~ 2026-11-11 · 2 related posts

• Pelican Test: Opus 5.5 uses 2x tokens of Fable 5.2 for only 4% more cost — and makes mistakes — PilgrimofHaqq2 · 2026-11-11
• Pelican test: Opus 5.5 uses 2x tokens of Fable 5.2 for only 4% more cost — and more bugs — PilgrimofHaqq2 · 2026-11-11