
Open source Speech-to-Text engines are also much less accurate than the APIs discussed above. Some developers also see data security as a plus, since your data doesn’t have to be sent to a third party or to the cloud.īe warned-there is a high lift involved with open source engines, so you must be comfortable putting in a lot of work to get the results you want, especially if you are trying to use these libraries at scale. Open Source Speech-to-Text Transcription EnginesĪn alternative to APIs, open source Speech-to-Text libraries are completely free-with no limits on use. Its Transcribe Medical API is a medical-focused ASR option that is available today. However, if you’re looking for a specific feature, like medical transcription, AWS has some intriguing options. AWS also has lower accuracy compared to alternative APIs and only supports transcribing files already in an Amazon S3 bucket. Like Google, you must create an AWS account first if you don’t already have one, which is a complex process.

SPEECH TO TEXT CODE
You can even copy/paste code examples in your preferred language directly from the AssemblyAI API Docs.ĪWS Transcribe offers one hour free per month for the first 12 months of use. However, its easy to use API allows for quick set-up and transcription in any programming language. The API also supports virtually every audio and video file format out-of-the-box for easier transcription.Īs of today, AssemblyAI only supports English transcription, limiting its use to English speaking countries, and has limited SDKs available. Its high accuracy and extensive feature list, like Speaker Diarization and Sentiment Analysis, makes AssemblyAI a sound option for developers looking for a free Speech-to-Text API. The company offers three free transcription hours for audio files or video streams per month before transitioning to an affordable paid tier. AssemblyAIĪssemblyAI is a newer name in the Speech-to-Text API market that is growing quickly thanks to industry-best accuracy, an easy-to-use interface, and Audio Intelligence APIs such as Speaker Diarization, Topic Detection, Entity Detection, Automated Punctuation and Casing, Paragraph Detection, Sentiment Analysis, Text Summarization, and more. Still, with good accuracy and 63+ languages supported, Google is a good choice if you’re willing to put in some initial work. Google can also be a bit difficult to get started with since you need to sign up for a GCP account and project, even to use the free tier, which is surprisingly complicated. However, since Google only supports transcribing files already in a Google Cloud Bucket, the free credits won’t get you very far. Google gives users 60 minutes free transcription, with $300 in free credits for Google Cloud hosting. Google Speech-to-Text is a well known speech transcription API. Let’s look at three of the most popular Speech-to-Text APIs with a free tier: Google, AssemblyAI, and AWS Transcribe.

This means that the API is free for anyone to use up to a certain volume per month or per year.

SPEECH TO TEXT TRIAL
However, large scale use of APIs typically comes with a cost.īut if you’re looking to use an API for a small project or for a trial run, many of today’s Speech-to-Text APIs have a free tier. Learn more Free Speech-to-Text APIsĪPIs are more accurate, easier to integrate, and come with more out-of-the-box features than open source options.

Learn why developers choose AssemblyAI's Speech-to-Text APIs.
