Pelican-on-a-bike benchmark: GPT 6 spends just $0.26 while Opus 5.5 costs $1.32

MosskeepForest · reddit · 2026-10-14

A Reddit user ran the classic "pelican riding a bicycle" generation benchmark across several frontier models (with playful fictional names). Results: GPT 6.1 Sol was cheapest at $0.26, Gemini 4 Argon spent $0.38 with the richest scene (lighthouse, ocean, fish in the basket), GPT 6 Astra cost $1.06, and Opus 5.5 was priciest at $1.32 with a minimal style. The test直观ly shows differences in instruction following, scene detail, and cost.

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