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.
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The short version
| Tool | How it keeps a character | Longest piece it makes | Characters speak | Paid from |
|---|---|---|---|---|
| Nima Long-form Video | Each character drawn once as a sheet you approve, given to every shot | Whole films from your text; our longest runs an hour | Yes, a voice per character | Plans by the minute, from as low as $10 a minute |
| OpenArt Director | Saved characters | Up to five minutes, no stitching | Yes, a voice per character | $14 a seat a month, billing period not stated |
| LTX Studio | Elements, up to 10 pictures, inside one project | A storyboard of many shots from a script | Yes, a voice per character | $35 a month for Elements |
| Google Flow | Characters: 1 or 2 pictures plus a voice | 8 to 10 seconds a clip | Yes | $4.99 a month (Google AI Plus, US) |
| Kling | Element Library: 2 to 4 pictures, voice bound to it | 15 seconds | Yes, in five languages | Not readable on its pricing page |
| Runway | Saved References, up to 3 a generation | 10 seconds a clip; joins clips up to 60 minutes | Yes | $15 a month |
| Pika | Character Studio, from one picture | 30 seconds, several shots | Yes | $10 a month |
| Vidu | Reference to Video: up to 15 pictures and 3 voices | 16 seconds | Yes | Not readable on its pricing page |
| MiniMax Hailuo | Omni Reference: up to 9 pictures, given per generation | 15 seconds | Yes | $14.99 a month, from an FAQ on its pricing page |
| Higgsfield | Soul ID, trained on 20 or more photos | Depends on the model it runs | Yes | Not readable on its pricing page |
| Hedra | Saved Elements | A talking head of up to 10 minutes | Yes | $20 a month |
| Krea | A LoRA trained on up to 50 pictures | Short clips, extended and merged | Through the models it hosts | $9 a month, selected video models |
| Luma | Character reference in its Uni-1 image model | 10 seconds a clip (Ray3.2) | No sound from Ray3.2 itself | $30 a month |
| Midjourney | None for video | 5 seconds, extended to 21 | Not 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:
- A saved character. You make the person once, as pictures, and the tool gives those pictures to every new shot without being asked. Kling, Pika, Google Flow, Runway, Hedra, OpenArt, LTX Studio and Nima work this way.
- A reference you attach each time. The tool holds a face as long as you remember to give it the same pictures on every generation. Fine for a few clips, easy to get wrong across a hundred.
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.
- Kling. The Element Library takes 2 to 4 pictures of a character, item or place, and binds a voice to a character, "ensuring the character always maintains the same face and voice across different works". Video 3.0 makes clips of 3 to 15 seconds, with spoken lines in Chinese, English, Japanese, Korean and Spanish.
- Google Flow. Characters bundle 1 or 2 pictures with a voice, so the face, clothes and voice carry from clip to clip inside a project. Clips are 8 seconds on Veo 3.1 and up to 10 on Gemini Omni Flash. Free accounts get 50 Flow credits a day.
- Pika. Character Studio locks a face, hair and clothes from a single picture and saves the character for reuse; Video Studio makes up to 30 seconds of several shots, with sound. Starter is $10 a month.
- Vidu. Reference to Video takes up to 15 pictures and 3 voice references and makes up to 16 seconds, several shots included, with lip sync.
- Runway. References take up to 3 pictures a generation and can be saved by name. Gen-4.5 clips run 2 to 10 seconds; a separate app joins clips up to 60 minutes. Runway's "Characters" are something else: live conversational avatars.
- MiniMax Hailuo. Omni Reference on its H3 model takes up to 9 pictures, 3 videos and 3 audio clips, attached to each generation; clips run 5 to 15 seconds with sound.
- Higgsfield. Soul ID trains an identity on 20 or more photos of one person and uses it across the video and image models Higgsfield runs.
- Hedra. Saves characters as Elements in its studio, and its Character-3 model makes a talking, lip-synced head of up to 10 minutes.
- Krea. You train a LoRA on up to 50 pictures of your character, then generate with the video models Krea hosts.
Where character reference is weak for video
- Midjourney. Its reference features work for still images only. Its own video guide lists them as "not compatible with video generations", so a clip holds a face only as far as its starting picture does: 5 seconds, extended up to 21.
- Luma. Character reference lives in its Uni-1 image model. Its Ray3.2 video model keeps continuity with up to 16 keyframes a clip of 5 or 10 seconds, and makes no sound of its own.
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
- Make one character in the tool, from its own reference feature, not a long description.
- Generate three shots: standing, walking, and a close-up from another angle.
- Generate a fourth shot in a different place, in a new session if the tool has them.
- Line the four up and ask someone who has not seen them whether it is one person.
- 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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