Inworld TTS 1.5 Mini is Inworld's text to speech model. A compact, low-latency variant of Inworld's TTS 1.5 series, optimized for fast voice synthesis in real-time interactive applications.
Specifications
Canonical IDinworld-tts-1-5-mini
TypeText to Speech
StatusActive
CreatorInworld
Input ModalitiesText
Output ModalitiesAudio
Benchmarks
Elo Rating
1159
#84

Capabilities

Input1/5
Text
Image·
Audio·
Video·
PDF·
Output1/5
Text·
Image·
Audio
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Other models

ModelTierReleasedContextInput / 1MOutput / 1M
Step TTS 2
StyleTTS 2
TTS HD 2.5
Inworld TTS 1 Max
TTS 1
TTS 1 HD
Inworld TTS 1.5 MaxMax
Azure Neural
Fun TTS Realtime
Inworld TTS 1

Model IDs