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Best AI for consistent characters in video: 14 tools compared (2026)

The best AI for consistent characters depends on how long the thing you are making is. For a whole story, from a short film to an hour, use a tool that saves each character once and gives it to every shot of a script it has broken into scenes: Nima's Long-form Video, OpenArt Director or LTX Studio. For single clips of up to 15 or 30 seconds with a saved character, Kling, Google Flow, Pika, Vidu and Runway all have one. Midjourney's video takes no character reference at all. We make Nima, so weigh our view accordingly; every fact about the other tools was read on the company's own site on 11 October 2026.

Pride and Prejudice, chapters four to six, in felted wool. Three chapters as one 27-minute episode. (27:37)
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Last updated 11 October 2026

The short version

ToolHow it keeps a characterLongest piece it makesCharacters speakPaid from
Nima Long-form VideoEach character drawn once as a sheet you approve, given to every shotWhole films from your text; our longest runs an hourYes, a voice per characterPlans by the minute, from as low as $10 a minute
OpenArt DirectorSaved charactersUp to five minutes, no stitchingYes, a voice per character$14 a seat a month, billing period not stated
LTX StudioElements, up to 10 pictures, inside one projectA storyboard of many shots from a scriptYes, a voice per character$35 a month for Elements
Google FlowCharacters: 1 or 2 pictures plus a voice8 to 10 seconds a clipYes$4.99 a month (Google AI Plus, US)
KlingElement Library: 2 to 4 pictures, voice bound to it15 secondsYes, in five languagesNot readable on its pricing page
RunwaySaved References, up to 3 a generation10 seconds a clip; joins clips up to 60 minutesYes$15 a month
PikaCharacter Studio, from one picture30 seconds, several shotsYes$10 a month
ViduReference to Video: up to 15 pictures and 3 voices16 secondsYesNot readable on its pricing page
MiniMax HailuoOmni Reference: up to 9 pictures, given per generation15 secondsYes$14.99 a month, from an FAQ on its pricing page
HiggsfieldSoul ID, trained on 20 or more photosDepends on the model it runsYesNot readable on its pricing page
HedraSaved ElementsA talking head of up to 10 minutesYes$20 a month
KreaA LoRA trained on up to 50 picturesShort clips, extended and mergedThrough the models it hosts$9 a month, selected video models
LumaCharacter reference in its Uni-1 image model10 seconds a clip (Ray3.2)No sound from Ray3.2 itself$30 a month
MidjourneyNone for video5 seconds, extended to 21Not mentioned$10 a month

We have not tested every tool here. The descriptions are what each company says about its own product, and the prices are monthly prices billed monthly, as printed on its site on the day we looked, unless the table says otherwise. Check before you buy.

What a consistent character has to mean

Almost every tool on this list can make one good shot of a person. The test is the tenth shot. There are two kinds of consistency, and they are not the same thing:

The longer the film, the more the first kind matters. A 30-minute film is 180 to 360 shots at 5 to 10 seconds a shot. How to make a 30 or 60 minute movie with AI goes through the numbers.

For a whole story: a short film to an hour

Nima Long-form Video. You paste a story, a chapter or a script, up to 10,000 words at a time. Nima draws each character once from the descriptions in the text, as a sheet you approve, builds each place once as a set, and gives the sheets to every shot it draws, so the person in minute fifty is the person from minute one. A thing that comes back, a letter or a hat, gets its own sheet too. Each speaking character keeps one voice, picked from five auditions. You review the whole film as a storyboard with the voices before anything is animated. Our longest film made this way, The Red-Headed League, runs 60 minutes and 44 seconds. One trailer of 15 to 20 seconds is free.

OpenArt Director. A chat-driven film maker that, in its own words, generates "videos up to five minutes long with no stitching" and "holds a character, mood, or visual world consistent across scenes". Several characters in a scene each get their own voice. The Starter plan is $14 a seat a month.

LTX Studio. Turns a script into scenes, shots and a storyboard, and pulls the characters, objects and places out of the script as reusable Elements, each with up to 10 reference pictures. A character can be given a voice. Two catches from its own pages: Elements live inside one project, and creating them needs the Standard plan, $35 a month, not the cheaper Lite plan.

For clips with a saved character

These tools save a character and reuse it, inside a single clip of 8 to 30 seconds. Several now make a few shots inside that one clip. For a longer film you generate clip by clip and join them in an editor.

Where character reference is weak for video

Many of these run the same models

Runway, Pika, Luma, Hedra, Krea and Higgsfield all offer other companies' video models beside, or instead of, their own: MiniMax H3, Kling 3.0, Veo 3.1 and Seedance appear on several of their price lists. The same model can sit behind four names, so the difference that decides consistency is what the tool does around the model: whether it saves a character and gives it to every shot without being asked.

OpenAI removed its Sora video models from its API on 24 September 2026, so Sora is not on this list.

Test any of them in five minutes

  1. Make one character in the tool, from its own reference feature, not a long description.
  2. Generate three shots: standing, walking, and a close-up from another angle.
  3. Generate a fourth shot in a different place, in a new session if the tool has them.
  4. Line the four up and ask someone who has not seen them whether it is one person.
  5. Count what you had to do by hand to get there. Whatever you did four times, you will do a hundred times in a long film.

More on why faces drift and what fixes it: how to get consistent characters in AI video.

Common questions

What is the best AI for consistent characters?

For a whole story, a tool that saves each character and gives it to every shot of a script: Nima's Long-form Video (films up to an hour from your text), OpenArt Director (up to five minutes) or LTX Studio (a storyboard from a script). For single clips, Kling, Google Flow, Pika, Vidu and Runway all have a saved character feature.

Which AI can keep the same character across a whole film?

Nima's Long-form Video draws each character once and gives that drawing to every shot; our longest film made that way runs an hour. OpenArt Director makes films of up to five minutes and LTX Studio builds a storyboard of many shots around saved Elements.

Can Midjourney keep a character consistent in video?

Not with a reference. Midjourney's own guide says its reference types are not compatible with video, so a video holds a face only as far as its starting image does, for 5 seconds, extendable to 21.

Does Runway have consistent characters?

Yes, through References: up to three pictures a generation, which can be saved by name and reused. Runway's feature called Characters is different: it makes live conversational avatars.

Is there a free AI for consistent characters?

Google Flow gives free accounts 50 credits a day and has saved Characters. Runway gives 125 credits once. LTX Studio's free plan does not include Elements. In Nima, your first trailer is free.

How many reference pictures do I need?

It depends on the tool: Google Flow takes 1 or 2 per character, Kling 2 to 4, Runway up to 3 a generation, LTX Studio up to 10, MiniMax Hailuo up to 9, Vidu up to 15. Higgsfield trains on 20 or more photos and Krea on up to 50. Nima draws the sheet for you from your text.

What happened to Sora?

OpenAI removed its Sora video models from its API on 24 September 2026.

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