If you need a platform that can transcribe speech to text in real time for live audio streams, AssemblyAI is a top contender. It's got a powerful speech-to-text transcription service, including low-latency streaming speech-to-text, and supports more than 99 languages. It's geared for developers, with flexible integration options and a free tier for prototyping. AssemblyAI also has strong security and privacy protections, which can be important for sensitive audio data.
Another top contender is Rev AI. Rev AI offers a speech-to-text API that can transcribe speech both asynchronously and in real time. The real-time transcription is available in 9 languages, but the asynchronous mode can be useful for situations where you need to transcribe live audio streams more quickly. Rev AI also offers some extra features like language identification and sentiment analysis, which can be useful for different industries.
If you need high accuracy and multilingual support, Gladia is worth a look. Gladia's AI transcription API uses optimized Whisper ASR technology and can transcribe speech to text in 99 languages. It can transcribe and translate in real time, and offers add-ons like summarization and topic classification. Gladia's API is designed to be easy to integrate with different tech stacks, so it's good for content and media, virtual meetings and more.
Last, Deepgram offers a suite of APIs for speech-to-text, text-to-speech and audio intelligence. Its speech-to-text API can handle multiple languages and offers lots of transcription data, which can be useful for speech analytics and media transcription. Deepgram's platform has high accuracy and low latency, and it offers a free API playground to get you started.