AI API Pricing Explained: Why 'GPT-5' Got 4x More Expensive in Under a Year
TL;DR — Per-million-token API prices across Claude, GPT, and Gemini now range from about $1 to $30 depending on which specific model you pick — and confusingly, the same base name can span that whole range. The original GPT-5 still runs at $1.25 input / $10 output per