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AssemblyAI · First-party API · LLM

LeMUR

DeprecatedDeprecated · removal on Mar 31, 2026Published date has passed

Provider-recommended replacement: LLM Gateway

AssemblyAI has deprecated LeMUR, with removal on Mar 31, 2026. The replacement AssemblyAI recommends is LLM Gateway. Source: assemblyai.com · Last checked Oct 23, 2026

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Notice

DeprecatedPublished date has passed

Deprecated · removal on Mar 31, 2026

AssemblyAI marks this model as deprecated.

Hosting route
First-party API
Affected scope
Not stated in the notice
Replacement
LLM Gateway
Announced
Nov 18, 2025
First seen by ModelClock
Oct 15, 2026

What the provider published

assemblyai.com ↗

# LeMUR Deprecation

LeMUR will be deprecated on March 31, 2026 and will no longer work after this date…

Read more LeMUR will be deprecated on March 31, 2026 and will no longer work after this date. Users will need to migrate to LLM Gateway by that date for continued access to language model capabilities and benefit from an expanded model selection as well as better performance. For more information, check out our documentation on LLM Gateway and our LeMUR to LLM Gateway migration guide .

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