Build next-generation voice UIs today

Speechly is the developer tool for real-time voice user interfaces.

Speechly offers a full suite of developer tools for easily adding Spoken Language Understanding (SLU) features to any product or service across different platforms. The suite consists of:

  • SLU API: Speechly’s SLU API can be easily configured to support any intent or entity that can be identified in real-time from the user’s speech.
  • Libraries & SDKs: Speechly offers a range of libraries and SDKs for different platforms for easily plugging into the Speechly SLU API.
  • Development tools: Tools for analyzing and optimizing the SLU models help developers improve their real-time voice experiences
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Chief Chief Technologies Oy


Speechly was founded on the fundamental belief that voice will be the next big paradigm shift following touch. Around 2016 while building Apple’s Siri in Paris, our CTO Hannes realized that the foundational technologies enabling modern voice UIs had finally reached a level where something unique could be built.
The first MVP prototype for a modern voice UI was built for tracking meals in a meal diary. This was piloted in a closed user group of around 50 people and the initial feedback was totally surprising: everyone loved it and kept using it. This was the evidence that we were on to something.

We aim to build the “Twilio for Voice UIs”. We develop technology with which developers and companies can easily add voice UI features into their existing products and services.