Kling AI vs Moonvalley (Marey)
A spec-by-spec comparison of Kling AI and Moonvalley (Marey): pricing, free tier, clip length, resolution, watermark, commercial use and API access.
Key differences
- Kling AI has a free option; Moonvalley requires a paid plan.
- Only Kling AI offers a public developer API; Moonvalley does not.
- Max resolution: Kling AI — 4K (native); Moonvalley — 1080p (native).
- Commercial use: Kling AI — Paid plans; Moonvalley — All plans (Terms allow commercial use of outputs).
| Kling AI | Moonvalley (Marey) | |
|---|---|---|
| Pricing | Free plan · from $8.8/mo | Paid |
| Free tier | Free Basic plan with no monthly credits; exports watermarked | |
| Max clip length | 15s per generation (Kling 3.0) | |
| Max resolution | 4K (native) | 1080p (native) |
| Watermark on free plan | Yes | |
| Commercial use | Paid plans | All plans (Terms allow commercial use of outputs) |
| Developer API | Yes | No |
| Open source | No | No |
Kling AI is Kuaishou's video and image generation platform, known for realistic motion and its Kling 3.0 and 4.0 model families. It supports text-to-video, image-to-video, multi-shot scenes, native audio and native 4K output. It suits creators and production teams who want long single clips and strong physics, and a separate developer API is available.
- Native 4K video generation on Kling 3.0 series
- Single generations of 3 to 15 seconds
- Developer API priced per second (e.g. Kling 3.0 Turbo 1080p at $0.14/s)
- Free Basic plan includes no monthly credits and adds a watermark
- Standard plan includes only 660 credits per month
- Advertised first-month prices differ from the recurring renewal price
Moonvalley makes Marey, a text-to-video and image-to-video model that the company says is trained only on licensed, high-resolution footage, which it presents as commercially safe. It targets professional filmmakers with director-style controls such as camera control, motion and pose transfer, trajectory drawing, keyframing and shot extension. Marey is available in Moonvalley's own app and through partners such as fal.ai and ComfyUI.
- Moonvalley says Marey is trained only on licensed footage, with no scraped content
- Fine-grained controls: camera control, motion/pose transfer, trajectory control, keyframing and shot extension
- Native 1080p output with no upscaling (Marey Realism v1.5)
- Moonvalley's own public API is waitlist-only; developers currently go through fal.ai or ComfyUI
- Pricing is not listed on the public website; you have to sign up to see plans
- Terms forbid reselling access or sharing API keys without written permission
Specs last verified 2026-10-23 (Kling AI) and 2026-10-23 (Moonvalley (Marey)). See each tool page for sources.