Migrating from Google Speech-to-Text to Gladia: a step-by-step switching guide

Published by Gladia, this migration guide presents switching from Google Speech-to-Text V2 as a configuration-mapping and integration-refactoring process, emphasizing a unified API that combines transcription, diarization, translation, summarization, sentiment analysis, named-entity recognition, and custom vocabulary features. It maps Google recognition settings, decoding parameters, language handling, diarization, response schemas, authentication, batch endpoints, and gRPC streaming workflows to Gladia’s asynchronous REST and real-time WebSocket APIs, while noting that diarization is available only for completed recordings. The guide recommends Solaria-3 for asynchronous European business and contact-center audio and Solaria-1 for real-time transcription, broad multilingual coverage, and code-switching, citing vendor benchmarks and customer examples while advising teams to benchmark their own audio. It contrasts Google’s potentially separate storage, translation, and NLP services with Gladia’s claimed all-inclusive pricing and larger upload limits, and outlines a staged deployment involving initial testing, parameter mapping, side-by-side evaluation, shadow mode, gradual cutover, monitoring, and rollback controls. It also addresses practical considerations including formats, rate limits, latency, data residency in EU and US cloud regions, compliance certifications, data-training policies by plan, and the lack of on-premises deployment.

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