Jasper (Formerly Jarvis) Many recognize Jasper as the best overall AI writing assistant, leading the market with its impressive features and quality. You first provide it with seed words, which Jasper then analyzes before creating phrases, paragraphs, or documents based on the subject matter and tone of voice. It is capable of producing a 1,500-word article in less than 15 minutes. The platform has more than 50 AI content generation templates, including blog posts, emails, marketing copy, Facebook ad generator, Google ad generator, SEO meta title and description, press release, and much more. Here is a look at some of the best features of Jasper: More than 11,000 free fonts and 2,500 categories of writing styles Supports 25+ languages Intuitive interface Long-form writing assistant (1,000+ words) Identify key elements in text (pronouns, verbs, names, etc.