Top California Conversational AI Startups (30)

Deepgram is the leading voice AI platform for developers building speech-to-text (STT), text-to-speech (TTS) and full speech-to-speech (STS) offerings. 200,000+ developers build with Deepgram’s voice-native foundational models – accessed through APIs or as self-managed software – due to our unmatched accuracy, latency and pricing. Customers include software companies building voice products, co-sell partners working with large enterprises, and enterprises solving...

Collectly is a fast-growing healthcare tech startup leading the charge in transforming the U.S. healthcare market through AI-driven innovation. In the U.S., millions of patients interact with healthcare providers daily, navigating a system that often struggles with inefficiencies, administrative burdens, and suboptimal financial experiences. At the forefront of the AI boom, Collectly is redefining revenue cycle management (RCM) by applying cutting-edge...

SuperDial is a voice AI company automating the phone calls that drain time and money from healthcare operations. Its voice AI agents handle benefits verification, prior authorization, claims follow-up, credentialing, and other RCM workstreams, freeing up revenue cycle teams to focus on what matters. Customers include leading provider organizations, billing companies, and payers.

Our live receptionist services have powered thousands of client interactions every day for over a decade, and we’re now expanding our technology portfolio with AI-driven products that combine human empathy with intelligent automation. The AI Receptionist Platform is Abby Connect’s latest innovation — an intelligent voice system that manages scheduling, intake, and communication in natural conversation. It’s a critical part of...

We empower districts with accredited middle and high school original credit, credit recovery, and multilingual courses that meet the needs of today’s learners and educators. Our platform was built from the ground up based on extensive feedback from educators and team members who understand firsthand the challenges of teaching today's digital-native students. Teachers told us they needed better ways to...

As crazy as it sounds, humanity has already free itself once — from hard, menial work. We’re just finishing the job, and using AI agents to get us rid of knowledge work. Our goal is to build "AI employees" which can collaborate with humans and other AI employees alike, over all channels (email, Slack, Zoom, etc), pursue ambiguous goals in changing...

Parakeet Health is building the AI-powered operating system for medical practices. Today, healthcare runs on phone calls, faxes, and manual labor, and everyone feels it. Practices burn through staff juggling inbound calls, chasing referrals, and filling last-minute cancellations, while patients sit on hold, wait weeks to hear back, and fall through the cracks when overloaded teams can't keep up. Our conversational...

Cypris is the vertical AI platform for corporate R&D and innovation teams. We centralize scientific papers, patents, market news, and company intelligence into a single platform with over 500M+ global data points. On top of this foundation, we’re building AI Agents tailored to R&D workflows, powered by the latest models from OpenAI, Anthropic, and others. With Cypris, teams can manage projects,...

The proactive AI assistant built for high-velocity teams.

https://www.cef.ai/blog/the-cef-mission

Quo is a modern business phone system that brings all your calls, texts, and customer information together in one easy-to-use, AI-powered platform. It helps your team stay organized and respond faster, so you can give every customer a great experience. AI handles busywork like logging calls, organizing messages, answering FAQs, and seamlessly hands off conversations to your team when needed. Whether...

Warp began with the vision of reimagining one of the fundamental dev tools—the terminal—to make it more usable and powerful for all developers. As AI has advanced, Warp has evolved beyond its terminal roots into the platform for Agentic Development: a workbench for dispatching agents to code, deploy, and debug production software. With over half a million active developers and revenue...

At 11x, we’re not just building tools—we’re redefining how work gets done. We build autonomous digital workers that execute entire go-to-market workflows, end-to-end. Instead of just augmenting tasks with AI, 11x automates the full execution of sales, marketing, and RevOps processes so teams can focus on what they do best: building relationships, closing deals, and driving impact. Our technology integrates across...

Specialty-specific generative voice AI that answers patient calls. Free your patients from waiting on hold. 9M+ patient interactions served with Voice AI. -63% operational costs. +3% net new patients. 5 weeks to go live. Trusted by thousands of providers across leading healthcare organizations: Palm Beach Orthopedics Institute, SharedPractices, Peninsula Orthopedics Associates, MDCS Dermatology, Cleaver Medical Group, Northern California Retina Vitreous Associates,...

Wonder Dynamics a media-tech startup developing an AI production tool that would allow indie filmmakers to deliver blockbuster-level VFX on a fraction of the budget.

Elicit, the AI research assistant, helps you automate time-consuming research tasks like summarizing papers, extracting data, and synthesizing your findings.We're a public benefit company with a mission is to scale up good reasoning. We want machine learning to help as much with thinking and reflection as it does with tasks that have clear short-term outcomes.

Level AI (https://thelevel.ai) is a Mountain View, CA and Delhi, India based startup innovating in the Voice AI space. We are backed by top VCs, technologists from Silicon Valley and industry experts. We are on a mission for AI to augment the worker and not replace them. We are innovating in speech AI, NLP and information retrieval systems to bring...

Creating revolutionary open-ended conversational applications through breakthrough research.

Newo.ai is a low-code platform where developers create advanced, human-level intelligent agents with omnichannel communication, outperforming other builders by 10x. Dubbed "the WordPress for AI Agents," it allows the development of Digital Employees, Workers, and AI-assistants without programming skills. Unique to Newo.ai, these AI agents can be integrated with VoIP channels, smart speakers, and robots for tasks like reception hosting and...

MindMeld is a technology company based in San Francisco, California. Our Deep-Domain Conversational AI platform is the first technology platform that enables companies to build intelligent conversational interfaces for any application or device. The world’s most innovative companies use our platform to power next-generation voice and chat assistants that enable users to quickly find and navigate information in a range...