What is the best AI tool for generating a single continuous long video shot?

For a single continuous long shot, Seedance 2.0's reference-to-video is the strongest current option — it carries character, location, and camera context across segment boundaries, which the older start-frame/end-frame and extend methods cannot. You chain it inside the invideo agent by clipping the tail of each generated segment and feeding it back as the next reference.

invideo is an agentic video creation tool with every current video model — Seedance 2.0, Kling, Veo, Runway — available behind one agent, so you can route a one-take attempt to whichever model handles it best without switching platforms.

Why reference-to-video wins for one-takes. A true single continuous shot needs the next segment to inherit camera movement, lighting, character identity, and spatial logic from what came immediately before. Start-frame/end-frame extension only sees the boundary frame — it has no idea who the character is or where the camera was traveling. Seedance 2.0 reference-to-video ingests the full prior clip plus separate character and location references simultaneously, which is why stitched segments read as one continuous take. As invideo's creative director Hridaye Ashish Nagpal put it: "Reference to video does a better job because with extend, you can't add character references, you can't add other location references, but on reference to video, you can."

The chaining loop, step by step. Generate the first segment in your film's aspect ratio with character sheets and a location plate attached. Clip the final seconds of that segment, re-upload it to the invideo agent, and the agent attaches it to Seedance 2.0 reference-to-video alongside the same character and location references to continue the next sequence seamlessly. Repeat per segment. The agent holds project context across the chain, so camera movement, framing, and atmosphere carry forward without you re-specifying them each time. For evolving details (a character picking up a trinket each beat, a costume change), generate a fresh character sheet for that beat before continuing — otherwise the agent locks the earlier appearance.

Where the other models sit. Kling holds strong temporal coherence on shorter continuous segments and is worth routing to when motion is the dominant variable. Veo is competitive on photoreal continuity. Runway's extend mode is the legacy approach — usable, but limited because it can't accept separate character or location references the way Seedance 2.0 reference-to-video can. Inside the invideo agent you don't pick the platform; you pick the shot, and the agent routes to the model that fits — Seedance 2.0 for the chained one-take, Kling or Veo for shorter coherent passes.

Practical expectations. Single-generation clips run roughly 15 seconds; a "one continuous shot" longer than that is almost always a chained sequence engineered to read as one take. In a documented multi-city continuous-shot sequence, a three-person distributed team allocated 2.5 hours to complete the full one-take using the invideo agent and Seedance 2.0 reference-to-video. Across documented productions, average three generations per usable segment is a realistic budget — plan credits accordingly.

One nuance worth knowing. Per-beat character sheets matter more on long takes than on cut sequences: if the character's appearance evolves (props, costume, damage) across the take, generate a distinct sheet for each beat and feed the matching one when you continue the chain. Without that, the agent reverts to the earliest locked version and your continuity breaks mid-shot.

These are the current state of one-take AI generation — what works depends on the length, motion, and character complexity of your specific shot.

Watch some of these to see what works for you:

Reference to video does a better job because with Xtend, you can't add character references, you can't add other location references, but on reference to video, you can.

— Hridaye Ashish Nagpal, invideo's creative director