Speechify

Speechify is a text-to-speech company founded in the United States in 2017. Founder Cliff Weitzman designed the product around his own dyslexia. It originally served people with dyslexia and attention difficulties before expanding into a general-purpose voice assistant. On AI, the company develops its in-house Simba speech model series, which ranks first on the Artificial Analysis TTS leaderboard, with over 50 million users worldwide.