Microsoft's comprehensive speech service offering text-to-speech, speech-to-text, translation, and speaker recognition.
| Type | REST/WEBSOCKET |
| Authentication | API Key / Azure AD |
| Rate Limits | 20 concurrent requests default, adjustable |
$0
usage-based
Looking for something different? Here are the top alternatives to Azure Speech:
Purpose-built vector database API for similarity search and retrieval-augmented generation at production scale.
OpenAI's speech recognition API based on the Whisper model, offering accurate transcription and translation across 57 languages.
European AI lab offering efficient open-weight and commercial models through a high-performance API.
AI data platform providing high-quality training data through human annotation combined with AI-assisted labeling tools.
Open-source embedding database designed for AI applications with simple APIs and integrations with LangChain and LlamaIndex.
High-performance open-source vector search engine with filtering, payload indexing, and distributed deployment support.
Access Claude models for safe, helpful AI with strong reasoning and long context capabilities.
Open-source text-to-speech toolkit and API offering voice cloning with just a few seconds of audio reference.