Complete API pricing comparison for every frontier coding model in March 2026. GLM-5 at $1/$3.20, Claude Opus at $5/$25, GPT-5.4 at $2.50/$15, and more — with cost-per-task calculations.
A researcher extracted Claude 4.5 Opus's hidden 10,000+ token soul document revealing how Anthropic trains their AI to think about ethics, identity, and helpfulness.
