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Analysis
AddedJun 26, 2023
UpdatedJul 15, 2026
Captions

Captions

Series D

Captions is a New York-based AI video company building the Captions app and Mirage foundation models.

HQ
New York City, NY, US
Founded
2021
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Overview
Analysis
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Fundraising
Employees
News
Website
Growth Score Market Dynamics
8
Growth Score Aggregate
8

Contents

  1. 01Products & Services
  2. 02Market Outlook
  3. 03Competitive Strengths
  1. 01Products & Services
  2. 02Market Outlook
  3. 03Competitive Strengths

Product Overview

Captions offers an AI-powered video editor on iOS, Android, and web that turns scripts, prompts, or raw footage into polished short-form videos. Core features include auto-captions, AI eye contact, B-roll and transition suggestions, custom AI avatars, voice cloning, and dubbing in dozens of languages.

Mirage extends the platform with in-house audio and video foundation models, Mirage Studio for brand and marketing teams creating AI-generated ads, and the Mirage API for developers integrating video generation and captioning into their own products.

Market Outlook

Short-form video continues to dominate social media consumption across TikTok, Instagram Reels, YouTube Shorts, and emerging platforms. Captions targets the growing population of creators, small businesses, and marketers who need fast, affordable video production tools and has expanded into enterprise ad creation with Mirage Studio.

The AI video market is increasingly competitive, with free tools such as CapCut and Meta Edits driving a freemium shift. Captions growth depends on maintaining model differentiation, expanding its AI research capabilities, and converting mobile creators into higher-value business users.

Competitive Advantages

Captions differentiates itself through a mobile-first, AI-native editing experience designed for talking-head and short-form social videos. Features such as automated captions in over 100 languages, AI eye contact correction, filler-word removal, one-tap AI Edit styles, custom avatars, and multilingual dubbing reduce production time for creators without professional editing skills.

The company also trains its own Mirage foundation models in-house, giving it control over model quality, pacing, and commercial rights for generated content. This vertical integration allows Captions to optimize outputs for TikTok, Reels, and Shorts while offering enterprise-facing tools through Mirage Studio and the Mirage API.