Inworld TTS-1.5 Max

• 🔊 Text-to-speech model from Inworld AI
• 🎯 "Max" tier for highest-fidelity voice synthesis
• 🏢 Built by character-AI startup Inworld AI
• 🎨 Suited for expressive, natural-sounding speech output
• 💬 Converts written text into spoken audio

Inworld AI

Inworld AI is an artificial intelligence company focused on building generative voice and character technology for real-time, interactive applications. Its work centers on speech synthesis and conversational AI systems designed to feel natural in…

Inworld TTS-1.5 Max is a text-to-speech model from Inworld AI, a startup known for conversational character and voice technology. Released in April 2026, it represents the top "Max" tier of Inworld's TTS-1.5 generation, positioned for users who prioritize the highest-quality, most expressive voice synthesis over lighter or faster alternatives.

As a dedicated speech model, its job is to turn written text into natural, lifelike spoken audio. That makes it well suited to applications like voice-over generation, interactive characters and agents, audio narration, and accessibility tooling where the realism and emotional nuance of the output matter. The "Max" designation signals an emphasis on fidelity, making it a strong default for production audio rather than throwaway prototyping.

If your project needs convincing, high-fidelity spoken output and you're willing to trade a little speed for richer, more human-sounding delivery, Inworld TTS-1.5 Max is built for exactly that use case.