Voice
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Inworld TTS-1.5-Mini
For developers building responsive AI characters, this model offers the best trade-off of cost, speed, and quality in Inworld's lineup, outperforming competitors in latency-sensitive environments.
It delivers high-quality speech synthesis with minimal delay, supporting instant voice cloning across 15 languages.
TTS‑1.5‑Mini is Inworld’s ultra‑fast, most cost‑efficient TTS model within the TTS‑1.5 lineup, tuned for near‑instant audio turnaround rather than studio‑demo polish. It targets applications such as voice‑first chatbots, interactive avatars, and real‑time games where fast turn‑taking and low time‑to‑first‑audio
Despite its compact footprint, TTS‑1.5‑Mini API delivers high‑quality, expressive speech suitable for core customer‑facing interactions and immersive experiences. It supports adjustable speaking rate and naturally flowing prosody, giving developers control over rhythm and pacing without sacrificing smoothness.
TTS‑1.5‑Mini covers the same 15 languages as TTS‑1.5‑Max, simplifying global rollout with a single, optimized low‑latency model. It also supports instant voice cloning, allowing teams to create and reuse recognizable persona voices from short reference clips over most supported languages.
Inworld TTS-1.5-Mini excels in speed tests, hitting under 120ms P90 latency, making it 4x faster than prior generations for production workloads. It ranks #1 in quality among efficient models while maintaining top stability for high-volume use.
Deploy TTS-1.5-Mini in scenarios demanding rapid audio generation, such as interactive chatbots, virtual assistants, and game dialogue systems. It's perfect for high-volume production, prototyping voiceovers, content accessibility tools, and multilingual apps where budget and speed matter most.
TTS‑1.5‑Mini is Inworld’s ultra‑fast, most cost‑efficient TTS model within the TTS‑1.5 lineup, tuned for near‑instant audio turnaround rather than studio‑demo polish. It targets applications such as voice‑first chatbots, interactive avatars, and real‑time games where fast turn‑taking and low time‑to‑first‑audio
Despite its compact footprint, TTS‑1.5‑Mini API delivers high‑quality, expressive speech suitable for core customer‑facing interactions and immersive experiences. It supports adjustable speaking rate and naturally flowing prosody, giving developers control over rhythm and pacing without sacrificing smoothness.
TTS‑1.5‑Mini covers the same 15 languages as TTS‑1.5‑Max, simplifying global rollout with a single, optimized low‑latency model. It also supports instant voice cloning, allowing teams to create and reuse recognizable persona voices from short reference clips over most supported languages.
Inworld TTS-1.5-Mini excels in speed tests, hitting under 120ms P90 latency, making it 4x faster than prior generations for production workloads. It ranks #1 in quality among efficient models while maintaining top stability for high-volume use.
Deploy TTS-1.5-Mini in scenarios demanding rapid audio generation, such as interactive chatbots, virtual assistants, and game dialogue systems. It's perfect for high-volume production, prototyping voiceovers, content accessibility tools, and multilingual apps where budget and speed matter most.
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