Key Takeaways SOUN posted 217% revenue growth in Q2 2025 and raised its full-year guidance to up to $178 million.SOUN expanded across restaurants and automotive while diversifying clients and acquiring voice AI firms.AI's Q1 revenue dropped 19% as leadership changes and weak sales execution delayed profitability goals.Artificial intelligence (“AI”) has fueled impressive rallies in many tech stocks, and two notable players are SoundHound AI (SOUN) and C3.ai (AI) . SoundHound focuses on conversational and voi ...