Kling AI Review — Kuaishou's $300M ARR AI Video Powerhouse With Best-in-Class Dialogue and 4K Output

Kuaishou's Kling AI launched in June 2024 and became the highest-revenue AI video platform by end of 2025 — $240M ARR in 19 months. Kling 3.0 Omni (February 2026) delivers native audio in 6+ languages, phoneme-level lip-sync for multi-character dialogue, 4K output, and 15-second clips. We review the full version history, pricing, the unofficial MCP ecosystem, censorship concerns, and how Kling stacks up against Runway, Veo, Seedance, and Pika.