Lightning V3.1


Lightning V3.1 is Smallest AI's text to speech model. A fast, compact TTS model from Smallest.ai in the Lightning series, optimized for low-latency real-time speech synthesis.
Spec
Canonical IDsmallest-ai-lightning-3-1
TypeText to Speech
StatusActive
CreatorSmallest AI
Input ModalitiesText
Output ModalitiesAudio
Elo Rating
1021
#206

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·

Model IDs