# Top 10 AssemblyAI - Speech to Text API Alternatives & Competitors **Average Rating:** 4.6/5 **Total Number of Reviews:** 124 Looking for alternatives or competitors to AssemblyAI - Speech to Text API? Other important factors to consider when researching alternatives to AssemblyAI - Speech to Text API include videos and calls. The best overall AssemblyAI - Speech to Text API alternative is Deepgram. Other similar apps like AssemblyAI - Speech to Text API are Google Cloud Speech-to-Text, OpenAI Whisper, Amazon Transcribe, and Krisp. AssemblyAI - Speech to Text API alternatives can be found in [Voice Recognition Software](https://www.g2.com/categories/voice-recognition) but may also be in [AI Meeting Assistants Software](https://www.g2.com/categories/ai-meeting-assistants) or [AI Legal Assistant Software](https://www.g2.com/categories/ai-legal-assistant). ## Best Paid & Free Alternatives to AssemblyAI - Speech to Text API - [Deepgram](https://www.g2.com/products/deepgram/reviews) - [Google Cloud Speech-to-Text](https://www.g2.com/products/google-cloud-speech-to-text/reviews) - [OpenAI Whisper](https://www.g2.com/products/openai-whisper/reviews) - [Amazon Transcribe](https://www.g2.com/products/amazon-transcribe/reviews) - [Krisp](https://www.g2.com/products/krisp/reviews) - [Otter.ai](https://www.g2.com/products/otter-ai/reviews) - [Rev](https://www.g2.com/products/rev/reviews) - [IBM Watson Speech to Text](https://www.g2.com/products/ibm-watson-speech-to-text/reviews) - [Speechmatics](https://www.g2.com/products/speechmatics/reviews) - [Notta](https://www.g2.com/products/notta/reviews) ## Top 10 Alternatives to AssemblyAI - Speech to Text API Recently Reviewed By G2 Community Browse options below. Based on reviewer data, you can see how AssemblyAI - Speech to Text API stacks up to the competition, check reviews from current & previous users in industries like Computer Software, Consulting, and Education Management, and find the best product for your business. ### 1. [Deepgram](https://www.g2.com/products/deepgram/reviews) By Deepgram **Average Rating:** 4.6/5 **Total Reviews:** 446 Deepgram builds artificial intelligence to recognize speech, search for moments, and categorize audio and video. Reviewers say compared to AssemblyAI - Speech to Text API, Deepgram is: - Slower to reach roi - More expensive - Easier to admin Categories in common with AssemblyAI - Speech to Text API: [Voice Recognition](https://www.g2.com/categories/voice-recognition) **Compare:** [AssemblyAI - Speech to Text API vs Deepgram](https://www.g2.com/compare/assemblyai-speech-to-text-api-vs-deepgram) **Compare Deepgram with other alternatives:** - [Deepgram vs Google Cloud Speech-to-Text](https://www.g2.com/compare/deepgram-vs-google-cloud-speech-to-text) - [Deepgram vs OpenAI Whisper](https://www.g2.com/compare/deepgram-vs-openai-whisper) - [Deepgram vs Amazon Transcribe](https://www.g2.com/compare/amazon-transcribe-vs-deepgram) - [Deepgram vs Krisp](https://www.g2.com/compare/deepgram-vs-krisp) - [Deepgram vs Otter.ai](https://www.g2.com/compare/deepgram-vs-otter-ai) - [Deepgram vs Rev](https://www.g2.com/compare/deepgram-vs-rev) - [Deepgram vs IBM Watson Speech to Text](https://www.g2.com/compare/deepgram-vs-ibm-watson-speech-to-text) - [Deepgram vs Speechmatics](https://www.g2.com/compare/deepgram-vs-speechmatics) - [Deepgram vs Notta](https://www.g2.com/compare/deepgram-vs-notta) ### 2. [Google Cloud Speech-to-Text](https://www.g2.com/products/google-cloud-speech-to-text/reviews) By Google **Average Rating:** 4.6/5 **Total Reviews:** 240 Google Cloud Speech-to-Text is a service that enables developers to quickly and accurately convert audio to text by applying neural network models in an easy to use API. The API covers 73 languages and 137 different local variants to support a global user base and can be used to power media voice control systems, content captioning and analysis, conversational platforms and more. Reviewers say compared to AssemblyAI - Speech to Text API, Google Cloud Speech-to-Text is: - Slower to reach roi - More expensive - More usable Categories in common with AssemblyAI - Speech to Text API: [Voice Recognition](https://www.g2.com/categories/voice-recognition) **Compare:** [AssemblyAI - Speech to Text API vs Google Cloud Speech-to-Text](https://www.g2.com/compare/assemblyai-speech-to-text-api-vs-google-cloud-speech-to-text) **Compare Google Cloud Speech-to-Text with other alternatives:** - [Google Cloud Speech-to-Text vs Deepgram](https://www.g2.com/compare/deepgram-vs-google-cloud-speech-to-text) - [Google Cloud Speech-to-Text vs OpenAI Whisper](https://www.g2.com/compare/google-cloud-speech-to-text-vs-openai-whisper) - [Google Cloud Speech-to-Text vs Amazon Transcribe](https://www.g2.com/compare/amazon-transcribe-vs-google-cloud-speech-to-text) - [Google Cloud Speech-to-Text vs Krisp](https://www.g2.com/compare/google-cloud-speech-to-text-vs-krisp) - [Google Cloud Speech-to-Text vs Otter.ai](https://www.g2.com/compare/google-cloud-speech-to-text-vs-otter-ai) - [Google Cloud Speech-to-Text vs Rev](https://www.g2.com/compare/google-cloud-speech-to-text-vs-rev) - [Google Cloud Speech-to-Text vs IBM Watson Speech to Text](https://www.g2.com/compare/google-cloud-speech-to-text-vs-ibm-watson-speech-to-text) - [Google Cloud Speech-to-Text vs Speechmatics](https://www.g2.com/compare/google-cloud-speech-to-text-vs-speechmatics) - [Google Cloud Speech-to-Text vs Notta](https://www.g2.com/compare/google-cloud-speech-to-text-vs-notta) ### 3. [OpenAI Whisper](https://www.g2.com/products/openai-whisper/reviews) By OpenAI **Average Rating:** 4.4/5 **Total Reviews:** 36 Whisper is a general-purpose speech recognition model. It is trained on a large dataset of diverse audio and is also a multitasking model that can perform multilingual speech recognition, speech translation, and language identification. Reviewers say compared to AssemblyAI - Speech to Text API, OpenAI Whisper is: - More expensive - Easier to do business with - Easier to admin Categories in common with AssemblyAI - Speech to Text API: [Voice Recognition](https://www.g2.com/categories/voice-recognition) **Compare:** [AssemblyAI - Speech to Text API vs OpenAI Whisper](https://www.g2.com/compare/assemblyai-speech-to-text-api-vs-openai-whisper) **Compare OpenAI Whisper with other alternatives:** - [OpenAI Whisper vs Deepgram](https://www.g2.com/compare/deepgram-vs-openai-whisper) - [OpenAI Whisper vs Google Cloud Speech-to-Text](https://www.g2.com/compare/google-cloud-speech-to-text-vs-openai-whisper) - [OpenAI Whisper vs Amazon Transcribe](https://www.g2.com/compare/amazon-transcribe-vs-openai-whisper) - [OpenAI Whisper vs Krisp](https://www.g2.com/compare/krisp-vs-openai-whisper) - [OpenAI Whisper vs Otter.ai](https://www.g2.com/compare/openai-whisper-vs-otter-ai) - [OpenAI Whisper vs Rev](https://www.g2.com/compare/openai-whisper-vs-rev) - [OpenAI Whisper vs IBM Watson Speech to Text](https://www.g2.com/compare/ibm-watson-speech-to-text-vs-openai-whisper) - [OpenAI Whisper vs Speechmatics](https://www.g2.com/compare/openai-whisper-vs-speechmatics) - [OpenAI Whisper vs Notta](https://www.g2.com/compare/notta-vs-openai-whisper) ### 4. [Amazon Transcribe](https://www.g2.com/products/amazon-transcribe/reviews) By Amazon Web Services (AWS) **Average Rating:** 3.9/5 **Total Reviews:** 16 Amazon Transcribe is a fully managed automatic speech recognition (ASR) service that enables developers to integrate speech-to-text capabilities into their applications effortlessly. Powered by advanced machine learning models, it delivers high-accuracy transcriptions for both streaming and recorded audio across a wide range of languages. Organizations across various industries utilize Amazon Transcribe to automate manual transcription tasks, extract valuable insights, enhance accessibility, and improve the discoverability of audio and video content. Key Features and Functionality: - Real-Time and Batch Transcription: Supports both live audio streams and pre-recorded files, providing flexibility for different use cases. - Custom Vocabulary and Language Models: Allows users to add domain-specific terminology and train custom language models to improve transcription accuracy. - Speaker Diarization: Identifies and labels different speakers in an audio file, facilitating clear attribution in conversations. - Automatic Punctuation and Formatting: Enhances readability by adding punctuation and formatting numbers appropriately. - Content Redaction: Automatically detects and redacts sensitive information, such as personally identifiable information (PII), to maintain privacy and compliance. - Channel Identification: Processes multi-channel audio files and provides a single transcript annotated with respective channel labels, beneficial for contact centers and media applications. - Language Identification: Automatically detects the dominant language in an audio file, streamlining workflows involving multilingual content. Primary Value and Problem Solved: Amazon Transcribe addresses the challenge of converting speech into accurate, readable text, enabling businesses to unlock the value hidden within their audio data. By automating transcription processes, it reduces the time and resources required for manual transcription, enhances content accessibility, and facilitates the analysis of customer interactions, meetings, and media content. This leads to improved customer experiences, better compliance with privacy regulations through automated redaction, and the ability to derive actionable insights from audio and video materials. Reviewers say compared to AssemblyAI - Speech to Text API, Amazon Transcribe is: - Slower to reach roi - More expensive Categories in common with AssemblyAI - Speech to Text API: [Voice Recognition](https://www.g2.com/categories/voice-recognition) **Compare:** [AssemblyAI - Speech to Text API vs Amazon Transcribe](https://www.g2.com/compare/amazon-transcribe-vs-assemblyai-speech-to-text-api) **Compare Amazon Transcribe with other alternatives:** - [Amazon Transcribe vs Deepgram](https://www.g2.com/compare/amazon-transcribe-vs-deepgram) - [Amazon Transcribe vs Google Cloud Speech-to-Text](https://www.g2.com/compare/amazon-transcribe-vs-google-cloud-speech-to-text) - [Amazon Transcribe vs OpenAI Whisper](https://www.g2.com/compare/amazon-transcribe-vs-openai-whisper) - [Amazon Transcribe vs Krisp](https://www.g2.com/compare/amazon-transcribe-vs-krisp) - [Amazon Transcribe vs Otter.ai](https://www.g2.com/compare/amazon-transcribe-vs-otter-ai) - [Amazon Transcribe vs Rev](https://www.g2.com/compare/amazon-transcribe-vs-rev) - [Amazon Transcribe vs IBM Watson Speech to Text](https://www.g2.com/compare/amazon-transcribe-vs-ibm-watson-speech-to-text) - [Amazon Transcribe vs Speechmatics](https://www.g2.com/compare/amazon-transcribe-vs-speechmatics) - [Amazon Transcribe vs Notta](https://www.g2.com/compare/amazon-transcribe-vs-notta) ### 5. [Krisp](https://www.g2.com/products/krisp/reviews) By Krisp Technologies, Inc. **Average Rating:** 4.7/5 **Total Reviews:** 1,536 Krisp delivers real-time Voice AI technology that improves digital conversations across meetings, contact centers, and embedded applications. The platform combines noise and echo removal, background voice cancellation, accent conversion, live voice translation, transcription, meeting summarization, and agent assistance in one solution. Krisp technology is deployed on more than 200 million devices and processes over 75 billion minutes of voice conversations each month. Organizations use it to capture accurate meeting records, enhance customer interactions, and build new voice-enabled products. Contact centers and service providers report measurable impact, including reductions in noise-related complaints, faster call handling, and higher customer satisfaction. By operating on-device and in the cloud, and by supporting any microphone, headset, or communication app, Krisp provides a scalable, privacy-focused layer of real-time voice AI for businesses of every size. Reviewers say compared to AssemblyAI - Speech to Text API, Krisp is: - Slower to reach roi - Better at meeting requirements - Easier to admin Categories in common with AssemblyAI - Speech to Text API: [Voice Recognition](https://www.g2.com/categories/voice-recognition) **Compare:** [AssemblyAI - Speech to Text API vs Krisp](https://www.g2.com/compare/assemblyai-speech-to-text-api-vs-krisp) **Compare Krisp with other alternatives:** - [Krisp vs Deepgram](https://www.g2.com/compare/deepgram-vs-krisp) - [Krisp vs Google Cloud Speech-to-Text](https://www.g2.com/compare/google-cloud-speech-to-text-vs-krisp) - [Krisp vs OpenAI Whisper](https://www.g2.com/compare/krisp-vs-openai-whisper) - [Krisp vs Amazon Transcribe](https://www.g2.com/compare/amazon-transcribe-vs-krisp) - [Krisp vs Otter.ai](https://www.g2.com/compare/krisp-vs-otter-ai) - [Krisp vs Rev](https://www.g2.com/compare/krisp-vs-rev) - [Krisp vs IBM Watson Speech to Text](https://www.g2.com/compare/ibm-watson-speech-to-text-vs-krisp) - [Krisp vs Speechmatics](https://www.g2.com/compare/krisp-vs-speechmatics) - [Krisp vs Notta](https://www.g2.com/compare/krisp-vs-notta) ### 6. [Otter.ai](https://www.g2.com/products/otter-ai/reviews) By Otter.ai **Average Rating:** 4.4/5 **Total Reviews:** 501 Otter.ai creates technologies and products that make information from important voice conversations instantly accessible and actionable. Reviewers say compared to AssemblyAI - Speech to Text API, Otter.ai is: - Slower to reach roi - More expensive Categories in common with AssemblyAI - Speech to Text API: [Voice Recognition](https://www.g2.com/categories/voice-recognition) **Compare:** [AssemblyAI - Speech to Text API vs Otter.ai](https://www.g2.com/compare/assemblyai-speech-to-text-api-vs-otter-ai) **Compare Otter.ai with other alternatives:** - [Otter.ai vs Deepgram](https://www.g2.com/compare/deepgram-vs-otter-ai) - [Otter.ai vs Google Cloud Speech-to-Text](https://www.g2.com/compare/google-cloud-speech-to-text-vs-otter-ai) - [Otter.ai vs OpenAI Whisper](https://www.g2.com/compare/openai-whisper-vs-otter-ai) - [Otter.ai vs Amazon Transcribe](https://www.g2.com/compare/amazon-transcribe-vs-otter-ai) - [Otter.ai vs Krisp](https://www.g2.com/compare/krisp-vs-otter-ai) - [Otter.ai vs Rev](https://www.g2.com/compare/otter-ai-vs-rev) - [Otter.ai vs IBM Watson Speech to Text](https://www.g2.com/compare/ibm-watson-speech-to-text-vs-otter-ai) - [Otter.ai vs Speechmatics](https://www.g2.com/compare/otter-ai-vs-speechmatics) - [Otter.ai vs Notta](https://www.g2.com/compare/notta-vs-otter-ai) ### 7. [Rev](https://www.g2.com/products/rev/reviews) By Rev.com **Average Rating:** 4.7/5 **Total Reviews:** 621 Digital evidence has surged — body cams, dash cams, smartphones, 911 calls, and interviews in every case — but legal and law enforcement teams haven’t grown with it, making thorough review nearly impossible. Rev helps teams keep pace. Our platform pairs industry-leading speech recognition with AI that cites its sources, delivering accurate, verifiable results tied to the original file. AI supports — never replaces — human judgment, with optional human review when precision matters most. Built with CJIS-, HIPAA-, and SOC 2-compliant security and zero data sharing with third-party LLMs, Rev reduces overtime, prevents missed details, and helps move cases forward with confidence. Reviewers say compared to AssemblyAI - Speech to Text API, Rev is: - Easier to admin - Easier to set up - Easier to do business with Categories in common with AssemblyAI - Speech to Text API: [Voice Recognition](https://www.g2.com/categories/voice-recognition) **Compare:** [AssemblyAI - Speech to Text API vs Rev](https://www.g2.com/compare/assemblyai-speech-to-text-api-vs-rev) **Compare Rev with other alternatives:** - [Rev vs Deepgram](https://www.g2.com/compare/deepgram-vs-rev) - [Rev vs Google Cloud Speech-to-Text](https://www.g2.com/compare/google-cloud-speech-to-text-vs-rev) - [Rev vs OpenAI Whisper](https://www.g2.com/compare/openai-whisper-vs-rev) - [Rev vs Amazon Transcribe](https://www.g2.com/compare/amazon-transcribe-vs-rev) - [Rev vs Krisp](https://www.g2.com/compare/krisp-vs-rev) - [Rev vs Otter.ai](https://www.g2.com/compare/otter-ai-vs-rev) - [Rev vs IBM Watson Speech to Text](https://www.g2.com/compare/ibm-watson-speech-to-text-vs-rev) - [Rev vs Speechmatics](https://www.g2.com/compare/rev-vs-speechmatics) - [Rev vs Notta](https://www.g2.com/compare/notta-vs-rev) ### 8. [IBM Watson Speech to Text](https://www.g2.com/products/ibm-watson-speech-to-text/reviews) By IBM **Average Rating:** 4.1/5 **Total Reviews:** 17 IBM Watson Speech to Text is a tool that can be used anywhere if there is a need to bridge the gap between the spoken word and its written form, it uses machine intelligence to combine information about grammar and language structure with knowledge of the composition of an audio signal to generate an accurate transcription. Reviewers say compared to AssemblyAI - Speech to Text API, IBM Watson Speech to Text is: - Slower to reach roi - More expensive Categories in common with AssemblyAI - Speech to Text API: [Voice Recognition](https://www.g2.com/categories/voice-recognition) **Compare:** [AssemblyAI - Speech to Text API vs IBM Watson Speech to Text](https://www.g2.com/compare/assemblyai-speech-to-text-api-vs-ibm-watson-speech-to-text) **Compare IBM Watson Speech to Text with other alternatives:** - [IBM Watson Speech to Text vs Deepgram](https://www.g2.com/compare/deepgram-vs-ibm-watson-speech-to-text) - [IBM Watson Speech to Text vs Google Cloud Speech-to-Text](https://www.g2.com/compare/google-cloud-speech-to-text-vs-ibm-watson-speech-to-text) - [IBM Watson Speech to Text vs OpenAI Whisper](https://www.g2.com/compare/ibm-watson-speech-to-text-vs-openai-whisper) - [IBM Watson Speech to Text vs Amazon Transcribe](https://www.g2.com/compare/amazon-transcribe-vs-ibm-watson-speech-to-text) - [IBM Watson Speech to Text vs Krisp](https://www.g2.com/compare/ibm-watson-speech-to-text-vs-krisp) - [IBM Watson Speech to Text vs Otter.ai](https://www.g2.com/compare/ibm-watson-speech-to-text-vs-otter-ai) - [IBM Watson Speech to Text vs Rev](https://www.g2.com/compare/ibm-watson-speech-to-text-vs-rev) - [IBM Watson Speech to Text vs Speechmatics](https://www.g2.com/compare/ibm-watson-speech-to-text-vs-speechmatics) - [IBM Watson Speech to Text vs Notta](https://www.g2.com/compare/ibm-watson-speech-to-text-vs-notta) ### 9. [Speechmatics](https://www.g2.com/products/speechmatics/reviews) By Speechmatics **Average Rating:** 4.7/5 **Total Reviews:** 66 Speech-to-text in 55+ languages. Available in real-time and for pre-recorded content, in the cloud and on-premises. Reviewers say compared to AssemblyAI - Speech to Text API, Speechmatics is: - More expensive - Easier to admin - Easier to do business with Categories in common with AssemblyAI - Speech to Text API: [Voice Recognition](https://www.g2.com/categories/voice-recognition) **Compare:** [AssemblyAI - Speech to Text API vs Speechmatics](https://www.g2.com/compare/assemblyai-speech-to-text-api-vs-speechmatics) **Compare Speechmatics with other alternatives:** - [Speechmatics vs Deepgram](https://www.g2.com/compare/deepgram-vs-speechmatics) - [Speechmatics vs Google Cloud Speech-to-Text](https://www.g2.com/compare/google-cloud-speech-to-text-vs-speechmatics) - [Speechmatics vs OpenAI Whisper](https://www.g2.com/compare/openai-whisper-vs-speechmatics) - [Speechmatics vs Amazon Transcribe](https://www.g2.com/compare/amazon-transcribe-vs-speechmatics) - [Speechmatics vs Krisp](https://www.g2.com/compare/krisp-vs-speechmatics) - [Speechmatics vs Otter.ai](https://www.g2.com/compare/otter-ai-vs-speechmatics) - [Speechmatics vs Rev](https://www.g2.com/compare/rev-vs-speechmatics) - [Speechmatics vs IBM Watson Speech to Text](https://www.g2.com/compare/ibm-watson-speech-to-text-vs-speechmatics) - [Speechmatics vs Notta](https://www.g2.com/compare/notta-vs-speechmatics) ### 10. [Notta](https://www.g2.com/products/notta/reviews) By Notta **Average Rating:** 4.4/5 **Total Reviews:** 236 Notta automatically converts meetings, interviews, and other audio/video into accurate text. Transcribe, edit, summarize, and collaborate in a single workflow to stay productive. Reviewers say compared to AssemblyAI - Speech to Text API, Notta is: - Slower to reach roi - More expensive - Easier to admin Categories in common with AssemblyAI - Speech to Text API: [Voice Recognition](https://www.g2.com/categories/voice-recognition) **Compare:** [AssemblyAI - Speech to Text API vs Notta](https://www.g2.com/compare/assemblyai-speech-to-text-api-vs-notta) **Compare Notta with other alternatives:** - [Notta vs Deepgram](https://www.g2.com/compare/deepgram-vs-notta) - [Notta vs Google Cloud Speech-to-Text](https://www.g2.com/compare/google-cloud-speech-to-text-vs-notta) - [Notta vs OpenAI Whisper](https://www.g2.com/compare/notta-vs-openai-whisper) - [Notta vs Amazon Transcribe](https://www.g2.com/compare/amazon-transcribe-vs-notta) - [Notta vs Krisp](https://www.g2.com/compare/krisp-vs-notta) - [Notta vs Otter.ai](https://www.g2.com/compare/notta-vs-otter-ai) - [Notta vs Rev](https://www.g2.com/compare/notta-vs-rev) - [Notta vs IBM Watson Speech to Text](https://www.g2.com/compare/ibm-watson-speech-to-text-vs-notta) - [Notta vs Speechmatics](https://www.g2.com/compare/notta-vs-speechmatics) ## Explore Articles - [Which client side protection software gives the best combination of real-time monitoring and low performance impact for a site that cannot accept any slowdown?](https://www.g2.com/discussions/which-client-side-protection-software-gives-the-best-combination-of-real-time-monitoring-and-low-performance-impact-for-a-site-that-cannot-accept-any-slowdown) - [Leading platform for sales enablement in tech](https://www.g2.com/discussions/leading-platform-for-sales-enablement-in-tech) - [Top CPQ software for streamlining sales processes](https://www.g2.com/discussions/what-is-the-top-cpq-software-for-streamlining-sales-processes) - [Top-rated sales enablement tools for small businesses](https://www.g2.com/discussions/best-sales-enablement-tools-for-small-businesses-what-s-working-in-2025) - [Which DNS security solutions are most reliable based on reviews from IT teams at financial services firms managing sensitive networks?](https://www.g2.com/discussions/which-dns-security-solutions-are-most-reliable-based-on-reviews-from-it-teams-at-financial-services-firms-managing-sensitive-networks) - [What is the top-rated visual collaboration platform for enterprises?](https://www.g2.com/discussions/what-is-the-top-rated-visual-collaboration-platform-for-enterprises) ## Spotlight Categories - [Product Lifecycle Management (PLM) Software](https://www.g2.com/categories/product-lifecycle-management-plm) - [AI Sales Assistant Software](https://www.g2.com/categories/ai-sales-assistant) - [Inbound Call Tracking Software](https://www.g2.com/categories/inbound-call-tracking)