Speko offers a unified API that integrates various speech models, allowing users to select the appropriate model based on language and objective using published benchmark measurements. Supported languages include English, Arabic, French, German, Hindi, and others, with models like GPT-4o and Whisper-1 available for transcription and speech recognition tasks.

A Māori broadcaster in New Zealand trains speech models for te reo, ensuring data remains with its community. PwC has fine-tuned an open model for financial language, serving hundreds of clients on its own hardware without a per-token fee. Researchers in Lausanne developed an open medical model in collaboration with the Red Cross, focusing on humanitarian applications.