RapVideo.ai focuses on short rap-duo videos. Its documented route uses two portraits or a photograph of two people, with supported song choices or an original-rap topic. The workflow is organized around a shared scene, making it different from a general editor or arbitrary character-replacement tool.
Workflow
- Choose the two people and prepare the supported portrait input. Name separate image files by role so you can track who should appear on each side. Decide whether the clip is a shared performance, alternating lines, or a lead-and-reaction format.
- Select a supported stage and audio route. An existing song option, an uploaded recording where supported, and a topic for an original verse are different creative inputs. Choose the one that matches the amount of lyrical control you need.
- Review the selected model, duration, and credit cost before generating. Read the free-preview conditions separately from the full-video conditions. A short on-site preview is not the same deliverable as a complete downloadable clip.
- Download the finished video and inspect both performers, vocal timing, framing, and sound. If you need another aspect ratio or a shorter excerpt, create a separate edit while preserving the original output and source portraits.
When this workflow fits
Use this route when a ready-made two-person rap format matches the project. Preset scenes and supported models shape the output. For an exact custom performance or an existing video whose characters must be replaced, compare a reference-driven workflow instead.
Alternatives for your project
Runway's separate-character workflow offers another way to assemble a duo with more production steps. Viggle Multi is relevant to multi-character motion. Hedra is a candidate for a solo portrait driven by a prepared audio track.
Inputs, output and limitations
RapVideo.ai
Input: Two portraits or a photo of two people, plus a supported song option or an original-rap topic.
Output: A short rap-duo video.
Main limitation: Built around preset stages and supported models, rather than arbitrary reference-video replacement. The advertised free offer is a short on-site preview, not a full downloadable video.
Multiple people: Documented two-person format
Related guides
Updated October 26, 2026. Editorial policy