Amazon Polly is a text-to-speech service that uses advanced deep learning technologies to synthesize speech that sounds like a human voice.
Starting at $4.00 per 1 million characters
Best Azure AI Speech Alternatives ranked by AI · updated Aug 2026
Azure AI Speech provides text-to-speech, speech recognition, voice translation, and custom voice capabilities for enterprise applications. Its neural voices and SSML controls support contact centers, accessibility features, media, and conversational software.
Developer: Microsoft
Price: From $4 per 1M characters
🎯 azure.microsoft.com/products/ai-services/ai-speech
Top 6 Azure AI Speech alternatives
ReadSpeaker provides text-to-speech software and hosted voice services for websites, e-learning, accessibility, customer service, and embedded applications. It supports multilingual natural-sounding voices,...
Pros
- Strong accessibility and e-learning integrations
- Supports many languages and voice delivery options
- Offers hosted and embedded deployment models
Cons
- Pricing is not publicly transparent
- Less self-service than major cloud speech APIs
- Voice-generation flexibility is narrower than ElevenLabs
Deepgram is an automatic speech recognition (ASR) software that offers accurate and fast transcription of audio files.
Custom pricing based on usage
AssemblyAI offers speech-to-text and text-to-speech services with advanced AI capabilities.
Varies based on usage
Speechly was a developer platform for adding real-time speech recognition and voice interactions to web and mobile applications. It focused on low-latency...
Pros
- Designed for low-latency speech interfaces rather than only post-call transcription
- Supported real-time partial transcripts and structured voice commands
- Provided client libraries aimed at web and mobile developers
Cons
- The service has been discontinued, so it is not suitable for new production deployments
- Smaller ecosystem and fewer integrations than major cloud speech platforms
- Less flexible model and deployment control than open-source speech recognition
TexVoz is an online text-to-speech service that converts written content into spoken audio, primarily for Portuguese-speaking users. It is suited to quick...
Pros
- Simple browser-based text-to-speech workflow
- Useful for Portuguese narration and accessibility
- No desktop installation required
Cons
- Fewer voice customization tools than AI voice platforms
- Less suitable for professional voice production than ElevenLabs or Azure Speech
- Language, export, and usage limits may be narrower than paid competitors
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