Migrating from AssemblyAI to Gladia: A step-by-step switching guide

Migrating from AssemblyAI to Gladia involves updating the authorization header, remapping batch endpoints, adjusting the JSON response schema, and resampling audio for WebSocket connections, allowing customers to complete the transition in under a day with rollback options. This migration is driven by Gladia’s bundled cost model, which contrasts with AssemblyAI's feature-based rates that can escalate significantly when enabling additional functionalities like speaker diarization, sentiment analysis, and entity detection. The guide provides detailed instructions on parameter mappings, payload differences, WebSocket reconfiguration, and a zero-downtime cutover strategy, emphasizing the importance of preparation and the use of an abstraction layer to facilitate a smooth transition. Furthermore, the document highlights Gladia's competitive advantages, such as inclusive pricing and multilingual support, while recommending a feature-flag strategy for a gradual traffic shift to mitigate risks. The total cost of ownership is notably lower with Gladia, especially at scale, due to its all-inclusive pricing model that contrasts with AssemblyAI’s separate billing for add-ons.

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