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Kling AI

Freemium

Kling generates short video clips from a text prompt or a still image. You can also drive an existing character with motion captured from a reference video, keep a person or object consistent across shots with element references, and extend a clip to roughly thirty seconds. The current model produces synchronized sound alongside the picture, and 4K export is available on paid tiers. A workspace holds your generations and their settings, and a free tier covers initial testing. Paid plans add monthly credits, faster queues, watermark removal and commercial usage rights.

HeyGen

Freemium

HeyGen turns a written script into a presenter-led video without a camera or studio. You pick a stock avatar or record yourself once to build a personal avatar, paste the script, and the tool generates speech with matching lip movement. Separate avatars and cloned voices can be produced for each language, so one recording can be published in Spanish, Japanese or German with the same on-screen presenter. A browser editor handles scenes, backgrounds, captions and imported slide decks. Teams can share templates and brand assets, and an API lets developers render videos programmatically. Free accounts get three watermarked videos a month, capped at one minute each.