Deepgram is a research-driven, foundational AI company focused on building voice technology that transforms human-to-machine interactions.Offers real-time and pre-recorded transcription, with features like speaker diarization and language detection.  It's highly customizable and scalable for developers. Deepgram offers advanced voice AI solutions beyond speech-to-text, including audio intelligence, text-to-speech, and a voice agent API, helping businesses worldwide enhance natural voice interactions.

Deepgram

Amazon Transcribe is a fully managed automatic speech recognition (ASR) service that makes it straightforward for you to add speech-to-text capabilities to your applications. The new ASR system delivers several key features across all the 100+ languages related to ease of use, customization, user safety, and privacy. These include features such as automatic punctuation, custom vocabulary, automatic language identification, speaker diarization, word-level confidence scores, and custom vocabulary filter. The system’s expanded support for different accents, noise environments, and acoustic conditions enables you to produce more accurate outputs and thereby helps you effectively embed voice technologies in your applications. Integrates seamlessly with other AWS services, making it a good choice for those already in the AWS ecosystem.

Amazon Transcribe

Top startups and enterprises rely on AssemblyAI’s breakthrough speech-to-text and speech understanding models for reliable source-truth data that powers world-class products. Unlock the value of voice data, and power workflows with unmatched accuracy, diarization, and language capabilities. Build intuitive voice agent workflows with high accuracy, low latency, precise end-of-utterance controls, and more. Enable deep analysis and high-value insights with sophisticated audio-intelligence models and the most advanced LLM capabilities. AssemblyAI offers a developer-friendly environment with RESTful API access, WebSocket support for real-time applications, SDKs for popular programming languages, detailed documentation and examples, ensuring seamless integration of speech recognition capabilities into existing systems.

assembly ai

Rev AI provides both AI-powered and human transcription services. Offers high accuracy options, and caters to both quick, automated needs and situations requiring perfect transcripts. Rev AI consistently outperforms other speech-to-text providers in accuracy for virtually every use case. Rev AI's Word Error Rate (WER) is significantly lower than the competition on ethnic background, nationality, gender, and accent. It offers both asynchronous and real-time transcripts as well as analytical insights.

Rev AI

Verbit provides a combination of AI-powered transcription and human review for high accuracy. It offers services for various industries, including legal, education, and media. Key features include real-time transcription, support for multiple languages, and integration with various platforms. Verbit aims to provide both speed and accuracy, catering to professional needs.

Verbit

Happy Scribe offers both AI-powered transcription and human transcription services, along with translation. It supports a wide range of languages and provides an online editor for reviewing and editing transcripts. It's designed for individuals and businesses who need accurate transcripts and translations. Providing interactive editors made for transcription, dubbing and subtitles

Happy Scribe

Scribie primarily provides human-powered transcription services, focusing on high accuracy. While they may use AI to assist their transcribers, the core of their service is human review and quality assurance.  They offer different turnaround times and pricing tiers based on accuracy requirements. Less AI-focused than other tools in this category.

Scribie

Speechmatics offers speech recognition technology known for its accuracy, particularly with diverse accents and dialects.  It's designed to be robust in noisy environments and handle different audio formats. It offers live transcription and translation both shown, in real-time. Speechmatics also powers a conversational AI API that enables natural, responsive, and secure voice interactions, called Flow. Built on Speechmatics' leading ASR technology, Flow ensures that conversations glide naturally - regardless of accent, language, or environment​​.

Speechmatics

IBM Watson Speech to Text converts audio to text, supporting customization and multiple languages.  It's part of the broader IBM Cloud platform and offers features like speaker diarization and keyword spotting. Use smart formatting to control how the engine transcribes numbers and dates for U.S. English and Spanish. You can request results that are not final using the interim_results parameter for use cases that require ultra low latency and partial transcripts. Use inactivity timeout to avoid transcribing silence if your end user walks away from a live mic. Use the timestamps parameter to know when a word stops and ends. This is key for users looking to combine multiple channels of audio or pinpoint when particular words occur in a transcript.

IBM Watson Speech to Text

OpenAI Whisper is a general-purpose speech recognition model trained on a large and diverse dataset. Known for its robustness, ability to handle various accents, languages, and background noise, and transcription and translation capabilities. They are open-sourcing models and inference code to serve as a foundation for building useful applications and for further research on robust speech processing.

OpenAI Whisper

Sonix provides automated transcription, translation, and subtitling services. Offers an in-browser editor and collaboration tools, making it suitable for media production, research, and general transcription needs. Translate your transcripts in minutes with Sonix's advanced automated translation engine. Perform any type of analysis you need on your audio, video, and transcripts. Get AI-powered summaries, automatically create chapter titles, thematic analysis, topic detection, entity detection. Enhance your videos with Sonix's automated subtitles feature. Share video clips in seconds or publish full transcripts with subtitles using the Sonix media player.

Sonix AI

Trint focuses on transcription and provides tools for content creation. Offers features like collaborative editing, keyword extraction, and integration with platforms like Adobe Premiere Pro. Designed for teams working with audio and video. Verify, edit, playback and search transcripts just like a text doc. Then pull quotes from multiple transcripts and use editorial tools to create articles, podcasts, scripts and soundbites. Work together in real time with highlight and comment tools to make teamwork simple. Share using granular access permissions and create Shared Drives to make sign-offs quick and easy.

Trint

Gladia provides an API for speech-to-text, translation, and audio analysis. Offers features like speaker diarization, word-level timestamps, and code-switching detection. Gladia leverages an optimized version of sophisticated Automatic Speech Recognition (ASR) models to deliver high-quality transcriptions. Gladia’s speech-to-text engine converts calls and meetings into text in real time or asynchronously, making it easy to integrate conversational features, advanced note-taking and search into your platform. Their real-time transcription API is optimized to provide next-best-action recommendations to customer support and sales agents while on-call. Compatible with SIP and WebSockets.

Gladia

Google Cloud Speech-to-Text is a powerful and widely used service that converts audio to text. Offers high accuracy, supports a large number of languages and dialects, and provides customization options for specific use cases. Speech-to-Text can utilize Chirp, Google Cloud’s foundation model for speech trained on millions of hours of audio data and billions of text sentences. This contrasts with traditional speech recognition techniques that focus on large amounts of language-specific supervised data. Speech-to-Text uses model adaptation to improve the accuracy of frequently used words, expand the vocabulary available for transcription, and improve transcription from noisy audio. Model adaptation lets users customize Speech-to-Text to recognize specific words or phrases more frequently than other options that might otherwise be suggested. For example, you could bias Speech-to-Text towards transcribing "weather" over "whether."

Google Cloud Speech-to-Text

Microsoft Azure Speech to Text converts audio to text, supporting various languages and customization options.  Part of the Azure cloud platform and integrates well with other Azure services. The speech to text service offers the following core features like Real-time transcription: Instant transcription with intermediate results for live audio inputs, Fast transcription: Fastest synchronous output for situations with predictable latency, Batch transcription: Efficient processing for large volumes of prerecorded audio and Custom speech: Models with enhanced accuracy for specific domains and conditions.

Microsoft Azure Speech to Text

Vosk is an open-source, offline speech recognition toolkit. Supports many languages and works on various platforms, including embedded systems and mobile devices.  Good for privacy-sensitive applications. Works offline, even on lightweight devices - Raspberry Pi, Android, iOS. Installs with simple pip3 install vosk. Portable per-language models are only 50Mb each, but there are much bigger server models available. Provides streaming API for the best user experience (unlike popular speech-recognition python packages). There are bindings for different programming languages, too - java/csharp/javascript etc. Allows quick reconfiguration of vocabulary for best accuracy. Supports speaker identification beside simple speech recognition.

Vosk

Clipto helps take notes from meetings and videos, summarize information, and generate action items.  It's designed to make video content more searchable and actionable. Clipto is an advanced AI-powered tool that helps creators manage their footage, streamline transcription processes, and accelerate video editing. Offering near 99% transcription accuracy in over 99 languages, Clipto integrates effortlessly with popular tools like Adobe Premiere. This platform not only enhances productivity but also ensures data security. With features like speaker identification and unlimited uploads, Clipto is designed to cater to diverse transcription and content creation needs.

clipto

Based on state-of-the-art deep learning technology, Alrite offers a comprehensive solution for many business scenarios. As one of the world’s most advanced speech transcription and recognition system, it lets you transcribe audio and video files effortlessly in just a few seconds. Convert your speech to text in a secure, cloud-based environment. One of the unique features of Alrite is burned-in custom captions. This feature lets you customize font, size, color, background, and position. Captions remain visible on any platform, and you can even add unique effects like progress indicators or karaoke-style highlights.

Alrite

TurboScribe offers accurate and fast transcription services for audio and video files, leveraging advanced AI technology. Ideal for a variety of applications, it supports over 98 languages.TurboScribe is powered by Whisper, the most accurate and powerful AI speech to text transcription technology currently. It supports long uploads. Each file can be up to 10 hours long / 5 GB, with the posssibility to upload 50 files at a time.

TurboScibe

AdpexAI is an AI-powered platform specializing in fast, accurate speech-to-text transcription, video captioning, and image-to-text conversion. It enables users to transcribe audio, generate YouTube video transcripts, create SRT subtitle files from MP4/MP3, and extract text from images. The tool supports multilingual transcription and offers advanced features like AI summarization, mind map generation, and image text translation. AdpexAI stands out for its unlimited, ad-free transcript extraction, seamless workflow integration, and high-precision output, making it ideal for creators, educators, marketers, and researchers working with multimedia content.

AdpexAI

Convert audio to text with AIVERSE. Explore AI transcription and text-to-speech tools that accurately process meetings, podcasts, and videos in real time.

AI for Speech-to-Text (STT) & Transcription

Deepgram

Real-time speech transcription

Amazon Transcribe

Convert speech to text

assembly ai

Transcribe and analyze speech

Rev AI

Real-time speech transcription

Verbit

Hybrid speech transcription

Happy Scribe

Transcribe audio to text

Scribie

Human-verified transcripts

Speechmatics

Real-time multilingual transcription

IBM Watson Speech to Text

Transcribe speech in real time

OpenAI Whisper

Real-time multilingual transcription

Sonix AI

Automated transcript editing

Trint

Transcribe and edit audio

Gladia

Real-time multilingual transcription

Google Cloud Speech-to-Text

Transcribe speech to text

Microsoft Azure Speech to Text

Transcribe speech instantly

Vosk

Offline speech recognition

clipto

Transcribe and translate media

Alrite

Transcribe and caption media

TurboScibe

Transcribe audio with summaries

AdpexAI

Unified AI transcription & captions