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Step TTS 2 specs, prices, where it runs and its benchmark standing

closed weights · top 10 on 0 of 1 · released Feb 12, 2026

Facts

Provider
StepFun
Release date
Feb 12, 2026
Boards
Parameters
Not disclosed by StepFun
Modalities
Text to Audio
Boards
License
Proprietary
Boards
Weights
Closed weights
Benchmarks
1 board captured
RankBoardScore
33Speech ArenaSpeech · as “Step TTS 2 (Mar 2026)”1,138
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