Veo 4 is a web-based AI video generator that blends text with image, video and audio references to produce multi-shot cinematic clips with native lip-synced audio, consistent characters and precise motion replication.
Veo 4 is a browser-based AI video generator built around multi-modal input. Instead of typing a prompt and hoping for the best, you upload images, video clips and audio tracks alongside your text, then describe in plain language how each asset should be used. The interface accepts prompts up to 5000 characters, offers Auto and 5s / 480p style output settings, a Return Last Frame option and an Advanced panel, so a single generation can combine a first frame from one image with the camera movement of a reference clip and the voice tone of an audio sample.
The model's headline capability is reference-driven control. You can tag assets inside the prompt (for example using an uploaded still as the opening frame while copying motion from a reference video) and Veo 4 replicates choreography, camera moves, effects and pacing without a long technical description. Native audio generation is handled in the same pass: lip-synced dialogue, Foley effects and background music arrive already aligned with the picture, which removes the usual step of syncing sound in a separate editor.
Multi-shot storytelling is the second pillar. A single prompt can produce a logical sequence of 4 to 15 second shots in which faces, outfits, lighting and visual style hold together across cuts. Existing footage can be extended, clips merged or individual segments edited, with characters or elements swapped while the rest of the frame stays intact. Output is offered in landscape and portrait, which suits both widescreen presentation work and vertical social formats.
Practical uses listed on the site span advertising template replication, course and training visuals, short films and music videos, dance and motion clips, film pre-visualization, real estate walkthroughs and beat-synced audio work. That positions Veo 4 as a production-oriented tool for marketers, filmmakers and social teams rather than a casual toy, though it competes in a crowded field of text-to-video models and its advantage rests on reference fidelity and consistency rather than on being the only option.