Longtake

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Your keys

Help & key guides

Projects

Scene — what we're shooting

+ First frame

+ Last frame

Model

Parameters

Ratio

Resolution

Duration — 8s

auto15s

Sound generate audio

Takes at once

REEL IS EMPTY

Describe a scene on the left and hit "Generate" — the first take shows up here.

ART DEPT IS FREE

Describe a shot, location or prop — the artist renders it. Your next message edits the last frame, and the result goes to the library or straight into the video's first frame.

Variants

NO CASTING YET

Create a character with a portrait and a voice sample — and mention them in the prompt via @name. The voice stays the same across all scenes.

Upload images and audio drag files or click — they become available via @name in the prompt

LIBRARY IS EMPTY

Upload references for characters, styles, frames and voices — and drop them into the prompt via @name.

TC 00:00:00:00 / 00:00:00:00 1× speed · loop on

Prompt

Parameters

References

Prompt for the API — as sent

New character

Name — for the @mention

Appearance — mockup sheet

file or asset from the library — mockup sheet or portrait

…or Asset ID from the engine's library

up to 14 photos of a person — or leave empty and describe the character in text

Description — who this is

One sheet, 21:9, 2K: full-height front · profile · back · close-up portrait. ≈ $0.03–0.13 per sheet.

Voice

5–30s sample: mp3 / wav / m4a — file or audio asset

…or voice Asset ID (verified actor)

Voice — what it sounds like

Sample line — any of the 20 supported languages

Screen test

Longtake

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Soundstage · entry by pass

Sign in.
The floor is warm.

One account holds your projects, cast and takes. Renders keep running on your own key — signing in doesn't change what a take costs.

CUT —

First time here? Signing in creates your studio — no separate form.

Subscription — flat Renders — your own key Markup — $0.00

Studio pass No. 0001

Cardholder your name

RoleDirector AccessFull studio ValidWhile subscribed RendersYour own key

≈ $0.76 per 5s take
billed by the provider, not by us

Stage 3 · rolling | TC 00:04:15:07

Your cast, scenes and takes are waiting exactly where you left them.

API keys

Generations run on your own keys, directly at the provider's price — no markup. Keys are stored encrypted and used only for your renders.

Video & standard image engine — BytePlus ARK How to get this key, step by step — including model activation ↗

Backup image engine & prompt translation — Google Gemini How to get this key, step by step ↗

Character voices — BytePlus Seed Speech A separate key from the ARK one — how to get it ↗

Take upscaling — fal.ai Upscaling runs outside ModelArk — how to get this key ↗

Agent access — MCP

Lets Claude Code and other agents shoot in your studio. The token signs in as you — your projects, your keys, your subscription — and nobody else's.

Copy it now — only a hash is stored, so it can't be shown again.

Scene 01 First day on set

Your soundstage is lit.

Longtake is a cloud AI video studio built on Seedance 2.0 — cinematic shots at token cost, no middleman markup.

01
Cast with a locked voiceCharacters keep the exact same voice across every scene — no drift.
02
Series structureProject → episode → scene → takes. Organise like a real production.
03
Scene chainsContinue any shot from its final frame — seamless sequences.
04
Art DeptGenerate reference frames in a chat, drop them straight into shots.

Bring your keys.

Renders run on your own provider keys, directly at their price — Longtake takes no cut. Stored encrypted, used only for your renders.

Video & standard image engine — BytePlus ARK How to get this key, step by step — including model activation ↗

Backup image engine & prompt translation — Google Gemini How to get this key, step by step ↗

Optional — you can add these later from the account menu. Renders won't run without them.

One flat fee for the whole studio.

The studio runs on a subscription. Model tokens stay on your own key — no markup, ever.

7-day free trial

Cancel anytime from the account menu. The trial charges nothing up front.

Projects

Longtake

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The floor is warm.