Andreessen Horowitz

Slingshot AI is a research company dedicated to enhancing global access to mental healthcare through artificial intelligence. Based in New York City and London, the company develops advanced large language models to understand human psychology deeply, empowering individuals to cope with daily challenges and seek mental support.

WaveForms AI is a technology company specializing in advancing audio intelligence. It develops and deploys innovative audio language models that enhance human-AI interactions, making them more natural, engaging, and immersive. The company's core mission is to pass the Speech Turing Test by facilitating real-time, emotionally resonant, and immersive voice interactions, thereby fostering deeper connections and engagement among users.

ElevenLabs is an artificial intelligence company that provides tools for speech synthesis, voice cloning, dubbing, and audio generation. Its platform enables developers and content creators to create and deploy voice agents, generate expressive speech in dozens of languages, and localize content at scale. The company offers a developer API, creative tools, and enterprise solutions to integrate AI voice capabilities into applications. Key features include voice design, voice isolation, and audio effects, along with advanced text-to-speech that converts text into realistic speech and clones voices from short samples. It also supports translating spoken content while preserving tone and emotion, enabling dubbing of videos and podcasts into multiple languages. The platform supports multilingual outputs to improve accessibility and global reach. By combining text-to-speech, voice cloning, and multilingual localization, ElevenLabs helps organizations produce natural-sounding voiceovers and enhance user experiences across applications.

Klu.ai is a generative AI platform that simplifies the process of designing, deploying, and optimizing AI applications. The company integrates major large language models (LLMs) such as Anthropic Claude, Azure OpenAI, GPT-4, and over 15 other models, enabling rapid prompt/model experimentation, data gathering, and user feedback. The platform offers features like Klu Actions for content generation, business operations workflows, content analysis, and summarization, as well as optimization techniques for A/B testing and fine-tuning support for models like OpenAI's GPT-3.5 Turbo and GPT-4. Klu.ai is committed to data privacy and security, providing data obfuscation and redaction features to protect sensitive information. Klu.ai is founded by Stephen M. Walker II in 2022 and is located in San Francisco, California.

Character.ai develops an open-ended conversational platform where users can create characters and engage in dialogues. The company focuses on neural language models to power these interactions, facilitating creativity, learning, and entertainment.

Golden is a developer of a self-constructing knowledge platform designed to aggregate information from various public and private sources, creating a comprehensive repository. The company's platform employs natural language processing to facilitate structured representation of entities and topics, making detailed and canonical information easily searchable and accessible. By leveraging both human effort and machine intelligence, Golden enhances the process of knowledge gathering and communication. Its features include powerful search capabilities, fine-grain alerts to track changes, and semi-automatic research assistance, all aimed at helping organizations stay informed and leverage the latest industry trends. This approach improves collaboration among researchers and academics while enhancing operational efficiency.

Wit.AI, Inc. is a natural language solutions provider based in Palo Alto, California, incorporated in 2013. The company offers an application programming interface that enables developers to integrate natural language interfaces into their applications and devices. Wit.AI's platform facilitates the creation of voice interfaces that allow users to interact through speech or messages, transforming this input into actionable data. It employs machine learning to enhance its understanding of human language from each interaction, benefiting from contributions made by its community. In 2015, Wit.AI became a subsidiary of Facebook, Inc., further expanding its reach and capabilities in the field of natural language processing.