Y Combinator

AssemblyAI Inc. is a technology company based in San Francisco, California, that specializes in providing a high-accuracy speech-to-text API. Founded in 2017, the company harnesses advanced deep neural networks to deliver state-of-the-art transcription services. AssemblyAI's API is designed for easy integration, allowing developers to start building applications quickly using various programming languages. The service supports customization for specific keywords and phrases, enhancing transcription accuracy. Additionally, AssemblyAI offers robust support with dedicated account managers and technical assistance available around the clock. Its scalable architecture enables the processing of multiple audio files or streams simultaneously, catering to the needs of thousands of developers who rely on its solutions for creating voice-powered applications and chat interfaces.

Typewise AG, founded in 2019 and based in Binningen, Switzerland, develops an innovative keyboard app for iOS and Android that enhances the typing experience. The app features a unique hexagonal layout designed for two-thumb typing, smart autocorrection, and predictive text capabilities, supporting over 30 languages and accommodating simultaneous multilingual use. It includes a custom dictionary that adapts to users' input languages and offers specialized support for Hinglish, catering to Indian users. Typewise prioritizes user privacy by utilizing private algorithms that function offline. The app has gained significant traction, with over 800,000 downloads and 200,000 active users, and has received several accolades, including recognition at the Swiss AI Awards and the Best of Swiss App Awards. Typewise aims to simplify communication by reducing typing frustration and improving both speed and accuracy in written interactions.

AssemblyAI Inc. is a technology company based in San Francisco, California, that specializes in providing a high-accuracy speech-to-text API. Founded in 2017, the company harnesses advanced deep neural networks to deliver state-of-the-art transcription services. AssemblyAI's API is designed for easy integration, allowing developers to start building applications quickly using various programming languages. The service supports customization for specific keywords and phrases, enhancing transcription accuracy. Additionally, AssemblyAI offers robust support with dedicated account managers and technical assistance available around the clock. Its scalable architecture enables the processing of multiple audio files or streams simultaneously, catering to the needs of thousands of developers who rely on its solutions for creating voice-powered applications and chat interfaces.

Phonic Inc. is a market research company that specializes in conversational audio, leveraging artificial intelligence to enhance survey methodologies. Established in 2019 and headquartered in Foster City, California, Phonic operates as a distributed platform, facilitating innovative market research solutions. The company's focus on integrating AI technology aims to improve the efficiency and effectiveness of data collection and analysis in the market research industry.

BoldVoice is a communication coaching app that helps non-native speakers improve their communication and confidence. The company's application helps foreign-born professionals and students in the US to improve their English accents via hyper-personalized content, enabling them to improve their English language pronunciation and confidence via personalized content from Hollywood's top accent coaches BoldVoice was founded in 2020 and is headquartered in New York, NY.

SliceQ is an automated phone ordering system for restaurants that enables the team to serve orders and ensures no missed orders.

Synth is an app that captures information such as text, audio, and video, and makes it easy to search and retrieve the information.

At Inspector Cloud we build image recognition services for retail industry. Our award winning shelf image recognition solution is used by a number of world famous brands to redefine how merchandizing works. nspector Cloud ambitious goal is to set the industry standard for retail image recognition.

BusinessOnBot is an automated sales and user acquisition platform that provides voice and text-based multilingual chat solutions.

Spokn helps companies develop their talent and build a culture of continuous learning - all in audio. Our 'bite-sized' insights cover skills like communication, collaboration, productivity and leadership and come from the top experts in the world - from Harvard Business School and MIT to HubSpot, Mindful, the Financial Times and more. The best part? It's 100% in audio, so learning fits into the daily routine of employees.

Spokn helps companies develop their talent and build a culture of continuous learning - all in audio. Our 'bite-sized' insights cover skills like communication, collaboration, productivity and leadership and come from the top experts in the world - from Harvard Business School and MIT to HubSpot, Mindful, the Financial Times and more. The best part? It's 100% in audio, so learning fits into the daily routine of employees.

Cord is building a data programming interface to label and manage your training data for AI applications.

Spokn helps companies develop their talent and build a culture of continuous learning - all in audio. Our 'bite-sized' insights cover skills like communication, collaboration, productivity and leadership and come from the top experts in the world - from Harvard Business School and MIT to HubSpot, Mindful, the Financial Times and more. The best part? It's 100% in audio, so learning fits into the daily routine of employees.

Datasaur, Inc. develops a data labeling solution for natural language processing related tasks. It offers Datasaur, a machine learning platform that provides ad hoc data labeling tools for clients’ data labeling needs. The company’s Datasaur is used in various applications, such as contract summarization and understanding, customer service call transcripts, receipt and invoice understanding, product review analysis, and fake news detection. The company was founded in 2019 and is based in Sunnyvale, California.

Phonic Inc. is a market research company that specializes in conversational audio, leveraging artificial intelligence to enhance survey methodologies. Established in 2019 and headquartered in Foster City, California, Phonic operates as a distributed platform, facilitating innovative market research solutions. The company's focus on integrating AI technology aims to improve the efficiency and effectiveness of data collection and analysis in the market research industry.

Perfect Recall allows the user to take video notes by marking important moments during Zoom calls. The company was founded in 2020 and based in Sunnyvale, California.

Deepgram, Inc. is a San Francisco-based company that specializes in artificial intelligence-driven automatic speech recognition solutions. Founded in 2015, Deepgram provides a platform that enables enterprises to label, train, and deploy customized speech recognition models, facilitating the conversion of audio data into actionable insights. The platform is designed for both individual developers and large organizations, including Fortune 500 companies. Deepgram's technology employs deep learning to enhance accuracy and scalability, allowing users to search for keywords in transcripts derived from audio and video files. This capability supports tasks such as transcribing calls, meetings, and voicemails, ultimately providing businesses with an efficient and high-accuracy speech-to-text service through a user-friendly API.

Ardis AI develops a toolkit for natural language understanding that extracts structured information from raw text. Ardis AI's software builds a simulation, it understands the goals, beliefs, and assertions of the people discussed in the text, it reasons about spatial and temporal relationships, and stores and learns from its experiences.

Flowbot is a natural language-driven programming assistant that helps users code faster. PySearch is context-aware by design, meaning it can give you more relevant results than ordinary search. PySearch learns from its interactions with developers around the world, allowing it to continuously improve recommendations it brings directly into the IDE.

Datasaur, Inc. develops a data labeling solution for natural language processing related tasks. It offers Datasaur, a machine learning platform that provides ad hoc data labeling tools for clients’ data labeling needs. The company’s Datasaur is used in various applications, such as contract summarization and understanding, customer service call transcripts, receipt and invoice understanding, product review analysis, and fake news detection. The company was founded in 2019 and is based in Sunnyvale, California.

Sandoras is a model assessment platform based in Bengaluru, India, specializing in natural language processing (NLP) and data augmentation. The company focuses on enhancing the evaluation of NLP models, providing tools that facilitate better performance analysis and improvement. By leveraging advanced technologies, Sandoras aims to support businesses and developers in optimizing their NLP applications, ultimately contributing to more effective data handling and utilization.

VoiceOps is the AI coaching & training platform. Our platform offers one place to get visibility into sales calls and to provide coaching to reps. Our customers plug into VoiceOps and immediately have a world-class coaching infrastructure at their fingertips. Founded in 2016, we're proud to work with the leading companies in insurance, mortgage, travel, and education. We’ve got incredible investors supporting us like Bain Capital Ventures, Accel, Founders Fund, and Y Combinator. Our team has been featured on Forbes 30 Under 30, highlighted by Inc., Business Insider, Huffington Post, Venture Beat, TechCrunch. Our team includes graduates from Harvard, Yale, and MIT, a Fulbright scholar, and the 2017 North American debate champion.

AudioFocus, Inc. develops a mobile application that helps users to hear the voices of their friends and family in noisy places. The company’s application is available for Android devices and iPhone users. AudioFocus, Inc. was incorporated in 2019 and is based in Oakland, California.

Percept.AI develops on-demand platform for artificial intelligence (AI) automated business functions. The company’s 24/7 AI support platform reduces common support tickets; handles recurring requests, configures valuable insights, accurately identifies user intentions, predicts case priorities, integrates between AI and support team, converts help center entries and live chat histories to knowledge level understanding, integrates with popular customer-communication platforms and CRM software, and enables natural language understanding. The company was founded in 2016 and is headquartered in Sunnyvale, California.

Khabri, Inc. is a digital audio platform that specializes in vernacular content, enabling users to access short news clips in various languages. Founded in 2016 by Aankit Roy, Pulkit Sharma, and Sandeep Singh, the company is headquartered in Palo Alto, California. Its application allows content creators to develop personalized channels and programs, thereby reaching millions of listeners both in India and internationally. Khabri's platform supports offline listening, allowing users to download news content from their local areas without requiring an internet connection. This focus on vernacular audio content positions Khabri as a unique player in the digital media landscape, catering specifically to the diverse linguistic needs of its audience.

Datasaur, Inc. develops a data labeling solution for natural language processing related tasks. It offers Datasaur, a machine learning platform that provides ad hoc data labeling tools for clients’ data labeling needs. The company’s Datasaur is used in various applications, such as contract summarization and understanding, customer service call transcripts, receipt and invoice understanding, product review analysis, and fake news detection. The company was founded in 2019 and is based in Sunnyvale, California.

People.ai operates a predictive platform that automates rep training, coaching, and Salesforce sync. The company is based in San Francisco, California.

Rune AI Inc. provides an application that connects mobile gamers on voice chat and finds them teammates using artificial intelligence. It offers Rune, a platform that matches and finds players with similar trophies and who speak the same language as the user, as well as allows players to use voice chat, track stats, and earn the brawl boxes. The company was incorporated in 2018 and is headquartered in Cambridge, Massachusetts.

Sapling Intelligence, Inc. provides AI assistant for business communication. The company provides platform for CRM and messages to agents. Sapling Intelligence, Inc. was incorporated in 2018 and is based in San Francisco, California.

Bensen AI develops artificial intelligence-powered software that enables restaurant brands to accept orders through voice platforms such as Alexa and Google Assistant. By integrating with existing ordering systems and loyalty programs, Bensen's solutions streamline the ordering process for quick-service restaurant chains, particularly those with drive-thrus. The software utilizes proprietary natural language processing technology based on menu data provided by restaurants, allowing for efficient order placement via voice commands. This approach not only enhances customer experience but also improves labor allocation and helps recover sales from missed calls.

People.ai operates a predictive platform that automates rep training, coaching, and Salesforce sync. The company is based in San Francisco, California.

Leena AI develops a human resource management platform that transforms employee experience with conversational AI. Its platform operates as an AI-powered HR assistant providing instant responses to employee queries over chat and voice, enabling organizations to get access to a platform which resolves HR services queries fast and improve the employee experience. The company was founded in 2015 and is headquartered in New York.

Observe.AI specializes in enhancing customer experiences and agent performance in contact centers through advanced artificial intelligence solutions. By analyzing 100% of customer calls, the company offers high-accuracy transcriptions and facilitates agent coaching, providing businesses with comprehensive insights into their customer service operations. Using technologies such as automatic speech recognition and Natural Language Processing, Observe.AI helps organizations streamline quality assurance workflows and improve overall service effectiveness. Trusted by over 150 clients, including notable brands like Root Insurance and Tripadvisor, Observe.AI operates from its headquarters in San Francisco and has an additional office in Bangalore, India. The company is supported by several prominent investors, contributing to its growth and innovation in the field of Contact Center AI.

askMyClass helps teachers save time with frequent daily tasks in the classroom with a voice helper, that runs on Alexa. askMyClass helps teachers in running a smoother classroom with quick ask-and-get guided activities for classroom management and SEL.

As of March 2, 2020, Edwin Technology Corp. was acquired by AI Buddy, Inc. Edwin Technology Corp. operates as an education technology company that uses natural language processing, machine learning, speech technology, and industry experience to bring a personalized English language curriculum and adaptive learning plans to students around the world. The company was founded in 2016 and is headquartered in San Francisco, California.

Invocable helps designers create and test high-fidelity voice prototypes in minutes. No code needed.

Voicery synthesizes the most realistic human voices using deep neural networks. Prior to starting Voicery, Andrew, one of the founders, led the speech synthesis research team at Baidu Research. By synthesizing speech nearly indistinguishable from human, Voicery aims to enable new media applications, such as auto-generated audiobooks, podcasts, television dubs, and voice overs. Their website lets users compare human and synthesized sentences and guess which is which.

Observe.AI specializes in enhancing customer experiences and agent performance in contact centers through advanced artificial intelligence solutions. By analyzing 100% of customer calls, the company offers high-accuracy transcriptions and facilitates agent coaching, providing businesses with comprehensive insights into their customer service operations. Using technologies such as automatic speech recognition and Natural Language Processing, Observe.AI helps organizations streamline quality assurance workflows and improve overall service effectiveness. Trusted by over 150 clients, including notable brands like Root Insurance and Tripadvisor, Observe.AI operates from its headquarters in San Francisco and has an additional office in Bangalore, India. The company is supported by several prominent investors, contributing to its growth and innovation in the field of Contact Center AI.

Volley Inc. develops conversational games designed for messaging applications and voice interfaces, focusing on voice-controlled entertainment experiences for platforms such as Amazon Alexa and Google Home. Founded in 2013 and based in San Francisco, California, the company offers a variety of games, including popular titles like Song Quiz, Yes Sire, and Trivia Showdown. Volley aims to enhance user engagement through interactive and entertaining gameplay that leverages voice technology.

AssemblyAI Inc. is a technology company based in San Francisco, California, that specializes in providing a high-accuracy speech-to-text API. Founded in 2017, the company harnesses advanced deep neural networks to deliver state-of-the-art transcription services. AssemblyAI's API is designed for easy integration, allowing developers to start building applications quickly using various programming languages. The service supports customization for specific keywords and phrases, enhancing transcription accuracy. Additionally, AssemblyAI offers robust support with dedicated account managers and technical assistance available around the clock. Its scalable architecture enables the processing of multiple audio files or streams simultaneously, catering to the needs of thousands of developers who rely on its solutions for creating voice-powered applications and chat interfaces.

Percept.AI develops on-demand platform for artificial intelligence (AI) automated business functions. The company’s 24/7 AI support platform reduces common support tickets; handles recurring requests, configures valuable insights, accurately identifies user intentions, predicts case priorities, integrates between AI and support team, converts help center entries and live chat histories to knowledge level understanding, integrates with popular customer-communication platforms and CRM software, and enables natural language understanding. The company was founded in 2016 and is headquartered in Sunnyvale, California.

Plasticity makes better natural language understanding open and accessible through simple APIs.

Vanido Inc. is a New Delhi-based company that specializes in developing an artificial intelligence-driven music education application for mobile devices. Launched in 2016, the app offers daily singing sessions designed to enhance users' vocal skills and auditory perception. It personalizes training based on individual vocal ranges and previous performances, allowing users to monitor their pitch in real-time, review recorded sessions, and assess their progress over time. Through this innovative approach, Vanido aims to provide an accessible platform for individuals seeking to improve their singing abilities.

Life Bot is the only voice app you need to complete daily activities with your voice. Life Bot is a team of voice designers and developers making it their mission to build the best voice apps for Alexa and Google home.

Lyrebird specializes in advanced speech synthesis technologies designed for developers. Originating from research at the MILA lab at the University of Montréal, the company provides tools that allow users to create digital replicas of their voices. This innovative technology enables users to generate spoken content from text, making it particularly useful for content creators and podcasters who seek efficient ways to produce audio material. By offering the ability to record a user's voice and synthesize any desired sentence, Lyrebird enhances the accessibility and versatility of voice generation in various applications.

Tetra uses AI to take notes on phone calls, to help you focus, remember the details, and keep your team in sync.

People.ai operates a predictive platform that automates rep training, coaching, and Salesforce sync. The company is based in San Francisco, California.

VoiceOps is the AI coaching & training platform. Our platform offers one place to get visibility into sales calls and to provide coaching to reps. Our customers plug into VoiceOps and immediately have a world-class coaching infrastructure at their fingertips. Founded in 2016, we're proud to work with the leading companies in insurance, mortgage, travel, and education. We’ve got incredible investors supporting us like Bain Capital Ventures, Accel, Founders Fund, and Y Combinator. Our team has been featured on Forbes 30 Under 30, highlighted by Inc., Business Insider, Huffington Post, Venture Beat, TechCrunch. Our team includes graduates from Harvard, Yale, and MIT, a Fulbright scholar, and the 2017 North American debate champion.

ScopeAI automates the process of communicating user insights to product and operation teams. The product leverages natural language processing (a form of AI) to extract insights from customer conversations. It integrates with existing support channels such as Zendesk, Intercom, Desk.com (salesforce) to automatically tag and analyze conversations for trends in customer feedback.

Speak is a mobile application designed to assist individuals in learning English through interactive conversations focused on real-world scenarios, such as job interviews and asking for directions. The app employs advanced speech recognition technology to help users articulate English words clearly, even with thick accents. This approach not only enhances the user's speaking skills but also contributes to a substantial database of accented English speech, which can improve both its own system and other speech recognition technologies. Speak addresses the significant market demand for effective language learning solutions, as people continue to invest in acquiring English language skills. The team behind Speak has a background in developing accent detection systems and has previously created successful educational products.

Deepgram, Inc. is a San Francisco-based company that specializes in artificial intelligence-driven automatic speech recognition solutions. Founded in 2015, Deepgram provides a platform that enables enterprises to label, train, and deploy customized speech recognition models, facilitating the conversion of audio data into actionable insights. The platform is designed for both individual developers and large organizations, including Fortune 500 companies. Deepgram's technology employs deep learning to enhance accuracy and scalability, allowing users to search for keywords in transcripts derived from audio and video files. This capability supports tasks such as transcribing calls, meetings, and voicemails, ultimately providing businesses with an efficient and high-accuracy speech-to-text service through a user-friendly API.

People.ai operates a predictive platform that automates rep training, coaching, and Salesforce sync. The company is based in San Francisco, California.

Mindori is the accurate way to search your app by voice for e-commerce companies. Build magical conversational search for your app in minutes, with no learning curve. "What about shirts that I can wear at a wedding?". Search over concepts that you may not have thought to index in your database. "Find a green shirt" - "What about in red?". Make the experience magical for users through context. Was it "Koffee Kult" or "coffee cult"? Customize speech recognition models for your product catalog and customer queries. Get started in minutes. Improving the model requires only minutes per day, not hours. Track user preferences and deliver customized suggestions based on their buying behavior and patterns. Export your generated models to popular assistant or chatbot frameworks automatically.

Mosaix develops a branded voice assistant for the localized services, languages, and needs of global footprint. Mosaix's dynamic language AI platform enables enterprise customers to create intelligent voice assistants for quick and accurate answers to queries from a plethora of languages. The company is replacing cumbersome text-based search with quality voice search interface.

Deepgram, Inc. is a San Francisco-based company that specializes in artificial intelligence-driven automatic speech recognition solutions. Founded in 2015, Deepgram provides a platform that enables enterprises to label, train, and deploy customized speech recognition models, facilitating the conversion of audio data into actionable insights. The platform is designed for both individual developers and large organizations, including Fortune 500 companies. Deepgram's technology employs deep learning to enhance accuracy and scalability, allowing users to search for keywords in transcripts derived from audio and video files. This capability supports tasks such as transcribing calls, meetings, and voicemails, ultimately providing businesses with an efficient and high-accuracy speech-to-text service through a user-friendly API.

Assembly offers high quality Chinese manufacturers an automated recording of factory production to document effectiveness, win new foreign business, and solve production quality problems.

Our AI Voice suite empowers companies to use conversational VoiceBots on their website and over the phone channel to connect, qualify and engage their leads and customers through highly-personalized, human-like voice conversations.

SoundFocus was founded with the goal of building revolutionary audio processing technologies to empower millions of people to hear better in their everyday lives. SoundFocus lets you hear music in full fidelity when listening to your iPhone or iPod Touch by tuning the audio to your hearing pattern and compensating for the sound frequencies you do not hear well.

SoundFocus was founded with the goal of building revolutionary audio processing technologies to empower millions of people to hear better in their everyday lives. SoundFocus lets you hear music in full fidelity when listening to your iPhone or iPod Touch by tuning the audio to your hearing pattern and compensating for the sound frequencies you do not hear well.

Profig provides transcriptions, call tracking, voice broadcasting, CRM integration and other custom features to businesses.

Voicegem is a web and iOS app offering an easy way to send voice messages to anyone. Users of Voicegem are provided with the facility to record long messages, and send it to anyone through an email or Facebook message. The recipients (friends or family) of the Voicegem messages can listen and reply to voice messages without installing or signing up with any platform.

Dubjoy makes it easy for anyone to translate and voice-over any video

Sonalight is an app that lets you text whilst you drive. Text by Voice by Sonalight allows you to safely text while you drive entirely through voice. There’s no need to touch or look at the screen at all. Text by Voice will automatically read incoming text messages aloud and give you a chance to respond. You can also set an auto responder for incoming text messages, and have Text by Voice start automatically when you start driving. Text by Voice lets you compose texts on the fly. It runs in the background so you can use other apps at the same time.

Lingt empowers teachers to speak more with their students. Create and manage online speaking assignments for use in the classroom.