AI marketing services in San Jose typically range from $5,000-$25,000 per month, depending on the scope of work. The Silicon Valley premium means San Jose agencies often charge 15-20% more than the national average, reflecting the high-value tech ecosystem and specialized AI talent pool. Most local agencies offer tiered packages: starter solutions for emerging tech companies ($5,000-$8,000/month), growth packages for mid-size companies ($8,000-$15,000/month), and enterprise solutions for established Silicon Valley players ($15,000-$25,000+/month). Many San Jose agencies also offer project-based pricing for specific initiatives like AI-driven market analysis or predictive customer modeling, typically starting at $10,000 per project. When evaluating costs, consider the agency's experience with your specific tech vertical, as specialized knowledge in semiconductor, healthcare tech, or enterprise software can significantly impact ROI.