Open vs. Closed models on writing 1000 scripts
1,000 YouTube scripts. Two AI writers (Open vs. Closed).
Numbers from our internal writing benchmark:
Claude Opus 5.5 (max effort): $3,433, about 17 minutes per script.
GLM-5.3 Flash: $7.35, about 6.6 minutes per script.
Opus scores 3.7% higher. Yes. It also costs 467x more.
#short