Whistle

Whistle gets your agent the words sooner.

Whistle hands your agent the caller’s words while the speech-to-text is still printing them, so everything the agent does next starts sooner. It runs beside the speech-to-text you already use.

Measured

480 ms

sooner to each word, on the words Whistle has first.

Version1
ReleaseOct 26, 2026

Everything after the words starts sooner.

The speech-to-text you run today keeps printing the words. Your agent just gets them sooner.

  • The words come sooner

    Whistle hands your agent the words while the speech-to-text is still printing them.

  • Your speech-to-text, your transcript

    Whistle runs beside the speech-to-text you already use. The transcript stays the one it prints.

  • Set up with us

    Leave your email and we’ll set you up.

Works with the stack you already run.

Rabel APIBeta

Bell, at $0.005 a minute, billed by the second while a conversation is open. Every account starts with 60 free minutes.

Contact us

Leave your email and we’ll set you up.