Bonega AI, formerly known as Lengthen, makes unlimited-duration AI video creation accessible to everyone. We use advanced AI technology to remove traditional limitations and empower creators.
At bonega.ai, we believe that creativity should never be constrained by technical limitations. Our mission is to democratize video creation by providing powerful AI tools that enable anyone to create professional-quality videos of any duration from simple text descriptions.
We're building the future of content creation, where imagination is the only limit.
Latest AI technology at your fingertips
No duration restrictions, flexible pricing
Built by creators, for creators
We built Bonega around a single pipeline that always routes through the best AI tools available right now, so you never have to pick or compare anything.
One pipeline, continuously benchmarked and auto-upgraded as better AI tools ship. You type a prompt or upload an image, we route it through whatever delivers the highest quality today, all at the same price.
Generate videos of any duration
Generated at 720p on every plan, with an optional 4x upscale
Pushing the boundaries of what's possible with AI technology
Building a thriving community of creators
Making advanced video creation tools available to everyone
Delivering professional-grade results with every generation
We're looking for talented individuals who share our passion for innovation. Shape the future of video creation with us.
Bonega AI is a video generation platform that turns a text prompt or an image into video, and extends a clip by chaining successive generations. It was previously called Lengthen, and the two names refer to the same product and the same accounts.
One pipeline, not a menu. We route each request to whichever model we currently rate highest for that job and change the routing as better models ship, so you do not choose or compare models and the price does not change when the routing does.
Choose a plan on the pricing page, then describe the video you want or upload an image to animate. Each generation and each extension consumes plan credits, and the current prices and credit amounts are on that page rather than here, so this text cannot go stale against them.
Bonega is operated by Clashware, a Swiss company based in Lausanne. The same team builds the iOS apps listed on our apps page; about half of them call this backend, and the rest do their work entirely on the device.
The benefit is that you never pick a model and never pay more when we upgrade one. The drawback is the other side of the same decision: you cannot pin a specific model or reproduce an old render exactly once we have moved on from the model that made it.
If you want video out of a prompt without researching which model is best this month, Bonega is built precisely for that and the routing is the product. If you need a named model, a fixed seed, or byte-identical reruns months later for a client deliverable, use a tool that exposes the model directly, because we will keep changing ours when something better ships.
