I have been using Yapper.so (Tier 4) in a small agency setting to create AI videos for multiple clients, and overall I have been very impressed with what it can do. The platform gives you access to several high-end video models inside one interface, a shared credit system, and a mix of templates and open prompt options. I mostly use the open prompt mode to describe the scenes I want and then iterate, and it has handled client work, experiments, and multiple versions without getting in my way. Results are strong as long as you are willing to learn how to prompt for video and accept that AI sometimes needs a few passes to get where you want.

Pros
• Strong results once dialed in: With a bit of iteration and prompt tuning, the quality of the videos is very good for marketing and content use.
• Multiple models in one place: You can switch between different video models from a single dashboard and choose what works best for each project.
• Templates plus open prompting: Templates make it easy to create quick content, while open prompts give you full control when you know what you want to see.
• Works for real client work: I use it across multiple clients, generating multiple versions and variations, and it has been reliable enough for production use.
• Helpful support: Their support has responded quickly to questions I had.

Cons / Things to know
• You must learn video prompting: This is not “type one sentence, get a perfect video,” and video prompting is different from normal ChatGPT-style prompting.
• Some trial and error: Expect to refine prompts, regenerate, and tweak scenes a few times to get the best results.
• Model side restrictions: Occasionally a video will fail or be blocked because of the underlying model’s rules, which is not really something Yapper controls.
• Not ideal for extreme volume: Very large agencies doing heavy daily output might eventually prefer a more customized or direct setup.

Overall verdict

As a tool, Yapper is excellent if you are serious about AI video and willing to invest a little time learning how to prompt properly. It gives you flexible ways to create videos, solid quality from the models, and enough reliability to use it for real client and business projects. If your expectations are realistic about AI limitations and you are ready to iterate on your prompts, Yapper is absolutely worth using.