Two AI video generators, side by side. Facts below link to their sources; last checked 2026-10-17.

Video generation platform from Kuaishou. Kling 3.0 supports up to 15-second videos with native audio and consistent characters. source

AI video platform for talking avatars and digital twins: record yourself once, then generate presenter videos, translations and edits from text. source
Kling AI: Kuaishou's video model: 15s clips, native audio, multi-shot storyboards. HeyGen: Turn one recording into a realistic AI avatar that presents any script.
Kling AI: See official pricing (free tier available). HeyGen: From $29/month (free tier available). Prices change often; confirm on the official pricing pages.