In the United States: Approx. $131,192 per year (Avg. $104,049). In the United Kingdom: Approx. £63,400 annually (Avg. £53,501). In India: Varies by experience — Junior: Rs 3-6 lakhs, Mid-Level: Rs 6-12 lakhs, Senior: Over Rs 12 lakhs (up to Rs 20 lakhs). Freelancers charge $83 to $105 per hour in the AI prompt engineer industry.