- **Free Tier:** Yes (30,000 items/month free). - **Quality:** High for general/business text; strong multi-language support. - **Underlying Tech:** IBM’s deep learning NLP stack. - **Stability & Support:** **High**; IBM’s enterprise focus means slow deprecation, but not as popular as the “big 3”. - **Cons:** Slightly dated interface, can lag behind in adopting newest NLP trends.