# Claude Sonnet 4.5 is now live on Retell AI

**URL:** <https://community.retellai.com/t/claude-sonnet-4-5-is-now-live-on-retell-ai/118>\
**Category:** Mini-Updates\
**Created:** [October 3, 2025, 9:24pm UTC](https://community.retellai.com/t/claude-sonnet-4-5-is-now-live-on-retell-ai/118 "2025-10-03T21:24:34Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Saloni](https://avatars.discourse-cdn.com/v4/letter/s/ba8739/32.png) [@Saloni](https://community.retellai.com/u/Saloni)\
**Post date:** [October 3, 2025, 9:24pm UTC](https://community.retellai.com/t/claude-sonnet-4-5-is-now-live-on-retell-ai/118/1 "2025-10-03T21:24:34Z")

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> **[Claude Sonnet 4.5: Improved domain knowledge for voice agents | Retell AI...](https://www.linkedin.com/posts/retellai_claude-sonnet-45-is-now-live-on-retell-ai-activity-7379216702989012992-Yr56?utm_source=share&utm_medium=member_desktop&rcm=ACoAABT3mxcBAcfHl-fA5uo5-2IqEhgPhsR4eBU)**
>
> Claude Sonnet 4.5 is now live on Retell AI 🧡
> 
> With the new model, Anthropic has significantly improved subject matter expertise in finance, healthcare, law, and STEM.
> 
> If your voice agents handle specialized conversations like medical scheduling,...

Claude Sonnet 4.5 is now live on Retell AI 🧡

With the new model, Anthropic has significantly improved subject matter expertise in finance, healthcare, law, and STEM.

If your voice agents handle specialized conversations like medical scheduling, financial advisory, legal intake, they just got a lot smarter about the actual domain knowledge.

Available now in your Retell AI dashboard.