Skip to content
IFAI
Daily
Resources
Resources
Model rankings
App rankings
Agent Skills
Submit or update an app
This week
Model rankings
Who holds the intelligence crown this week, and who is new
App rankings
The apps climbing fastest this week
SKILL.md
Agent Skills
The Skills installed most this week
EN
Model rankings
/
StepAudio
S
StepAudio models
StepFun · 1 series
Series
StepAudio TTS
Latest: StepAudio 2.5 TTS
1 model
In the news: StepFun
All 1 stories ›
Sep 20
2026
AI models
StepFun drops Step 5 Preview, a 600B MoE model built for agents
