DeepSeek

Open-source AI rivaling commercial models, used by developers and tech-savvy professionals who want powerful capabilities without recurring subscription costs. The open nature allows customization and fine-tuning for specialized business applications, creating opportunities for consultants to build bespoke AI solutions for enterprise clients. Developers use DeepSeek to create proprietary AI products and services without licensing fees, maximizing profit margins on AI-powered SaaS offerings. For budget-conscious freelancers, it offers performance close to the leading commercial models, and because the weights are open you can run it yourself without paying a subscription. Just note that the free part applies to self-hosting; the official app and API have their own pricing.