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Sora was OpenAI's text-to-video model that generated video clips from text prompts. Released in December 2024 for ChatGPT Plus and Pro users, it could create videos up to one minute long with coherent motion and detailed scenes. A second generation, Sora 2, launched in September 2025 with an iOS app, Android app, and social media features. The service was discontinued in April 2026, with the app shutting down on April 26 and the API planned for closure on September 24, 2026.

Runway is a generative AI company that builds foundational models for creating and editing video, images, and multimedia content. Its flagship models, Gen-4.5 and Aleph 2.0, enable text-to-video generation, video-to-video transformation, and advanced editing capabilities for filmmakers, advertisers, and content creators. Beyond its research models, Runway offers Edit Studio for professional video editing, Act-Two for performance-driven generation, and a consumer iOS app for mobile video creation. The company also co-created Stable Diffusion and partners with studios like Lionsgate for custom AI model development.

Descript is an all-in-one audio and video editor that uses AI to make editing as easy as editing a document. It transcribes audio and video, letting users edit media by editing the text transcript. Features include AI-generated voices, overdub for correcting mistakes without re-recording, studio sound for noise removal, and eye contact correction. Descript serves podcasters, content creators, and teams who need to produce polished audio and video content quickly.

CapCut is a Video tool developed by ByteDance, launched in 2020. It offers free video editing, ai-powered effects, auto captions and more as core capabilities. Designed for team collaboration and content creation. Available on web, mobile, desktop.

HeyGen is an AI video generation platform that creates realistic videos featuring AI avatars. Users can create videos in minutes with Avatar V, which learns behavior, gestures, and movements from prompts. The platform supports 175+ languages with phoneme-level lip-sync accuracy. Features include Video Agent for prompt-based generation, AI Studio for script-driven control, and Video Translation for multilingual content. Over 30 million users across 196 countries use HeyGen, including 85% of the Fortune 100.

Synthesia is an AI video generation platform that creates professional videos with AI avatars. Users input text and the platform generates videos featuring realistic AI presenters speaking in over 120 languages. Features include 140+ AI avatars, custom avatar creation, screen recording, and video templates. Synthesia serves businesses for training, sales, marketing, and internal communications. The platform eliminates the need for cameras, actors, and studios, enabling video creation in minutes.