Caption First Competitors

Rev is a speech technology company transforming how legal professionals, journalists, and researchers work with critical speech data. Since 2010, we've processed over 18 billion words from 7 million hours of human speech data, developing AI models that deliver 96% accurate AI transcription and 99% accuracy with human review. Our comprehensive suite of services includes industry-leading APIs, audio/video recording, real-time transcription, AI note-taking, and advanced summarization tools. In 2025, Rev acquired SmartDepo, the legal industry's most trusted solution for AI-powered deposition summaries with 100% accurate page-line citations. Our technology is trusted by over 1 million users, including AM Law 100 firms, the industry's leading court reporting agencies, and media publications worldwide. Our commitment to security is demonstrated through SOC 2 Type 2, HIPAA, and GDPR compliance—ensuring the confidentiality of your most sensitive legal information.

3Play Media provides captioning, transcription, audio description, and localization services, as well as interactive transcripts and video search tools. We work with customers in higher education, entertainment, government, enterprise, and media. The company was founded in 2008 by four MIT graduate students and is headquartered in Boston, MA. For more information, visit www.3playmedia.com.

Otter.ai is the Conversational Knowledge Engine built for the modern enterprise, giving AI agents the organizational context to act on by connecting thousands of conversations across thousands of people. Available on desktop on Mac and Windows, iPhone, Android, web. Used by more than 35 million people, across over one billion meetings, generating more than 30 million action items. The pioneer of the AI meeting assistant category. Backed by early investors in Google, Zoom, and Tesla. Headquartered in Mountain View, California.