Soniox Text-to-Speech is an AI-powered speech synthesis API that generates natural, expressive audio in over 60 languages with fine-grained emotional control via audio tags. It supports instant voice cloning from short recordings, mixed-language utterances, and low-latency streaming for real-time voice applications. The platform handles complex alphanumerics, specialized terminology, and proper nouns with high accuracy, making it suitable for voice agents, IVR systems, and accessibility tools. Pricing is usage-based at $0.70 per generated hour, with infrastructure available across multiple global regions.