ModelClock
OFFICIAL ASSEMBLYAI NOTICES

AssemblyAI model deprecation schedule

AssemblyAI has no upcoming shutdown dates published. 1 model is deprecated without a firm removal date. In the last 12 months 3 models were retired or shut down, most recently kimi-k2.5 on Jul 24, 2026.

Last updated · AssemblyAI dashboard and alerts

Upcoming shutdowns 0

AssemblyAI has not published an upcoming shutdown date for any tracked model.

Deprecated without a removal date 1

AssemblyAI models deprecated without a firm removal date
ModelStatusReplacementSource
u3-proDeprecated · no removal dateu3-rt-proNotice ↗

Retired or shut down in the last 12 months 3

AssemblyAI models retired in the last 12 months
DateModelStatusReplacementSource
kimi-k2.5RetiredNone publishedNotice ↗
LeMURRemoval date passedLLM GatewayNotice ↗
—gemini-3-flash-previewRetiredNone publishedNotice ↗

Official AssemblyAI sources

Each provider and hosting route sets its own dates. A model offered on several platforms can stop on different days; ModelClock reads each notice from the provider's own documentation.