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Real-Time Long Video Generation (Fastest Variant)

Most AI video tools top out at short clips (5–10 seconds) or slow to a crawl for longer content — and they often need an expensive multi-GPU cluster to keep up. Helios Distilled is the fastest, most efficient member of the Helios family: it turns text prompts, images, or existing videos into fluid, high-quality clips of up to ~60 seconds, generated in real time on a single GPU. Purpose-built for teams that need production-ready video at speed and scale. Built by PKU-YuanGroup.

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What it does

Helios Distilled is an AI video generation model that turns text prompts, images, or existing videos into fluid, high-quality video content. It is the fastest and most efficient version in the Helios model family, purpose-built for teams that need production-ready video output at speed and scale. Unlike most competing video AI tools that struggle with longer clips or require expensive multi-GPU infrastructure, Helios Distilled generates up to 60 seconds of coherent, high-quality video in real time.

Problem it solves

• Long-form video at speed – Most AI video tools top out at short clips (5–10 seconds) or slow down dramatically for longer content. Helios Distilled generates up to 60 seconds of video in real time
• Cost-effective infrastructure – Runs on a single GPU rather than expensive multi-GPU server clusters, significantly reducing compute costs
• Flexible creative input – Works from a text description alone, a starting image, or an existing video clip — fitting a wide range of creative and production workflows
• Temporal coherence – Videos remain visually consistent and coherent throughout their full length, without the common "drift" or degradation seen in longer AI-generated clips
• Production-ready deployment – Designed from the ground up to integrate into existing production pipelines and tools

Input/Output

• Input:

  • Text to Video: Describe the scene you want in plain language and Helios generates the video

    

  • Image to Video: Provide a starting image and a description of the motion or scene

  • Video to Video: Provide an existing video clip and a description to transform or extend it

• Output: A fully generated MP4 video file

  • Up to ~60 seconds in length

  • High visual quality with smooth, coherent motion throughout

    

    78989cd3-b90b-47cd-b316-0cd638caddaa.mp4

• Parameters:

  • Resolution — fixed at 640 × 384 (5:3) — not user-selectable in this build

  • Frame count (chunk multiples, default 99 frames (~4s @ 24fps)) — pick from a fixed list of chunk-multiple values that maps to standard clip lengths at 24 fps:

    Frames	Duration @ 24 fps
    99 (default)	~4 s
    198	~8 s
    297	~12.5 s
    396	~16.5 s
    495	~21 s
    594	~25 s
    693	~29 s
    792	~33 s
    891	~37 s
    990	~41 s
    1,089	~45 s
    1,188	~49.5 s
    1,287	~54 s
    1,386	~58 s
    1,452	~60.5 s

    Frame counts must be chunk multiples — the model generates in 33-frame autoregressive chunks (99 = 3 chunks, 198 = 6 chunks, and so on), which is why the dropdown offers only these specific values.

  • Output FPS (dropdown, default 24) — choose 16 or 24 fps

    • 24 — standard cinematic frame rate
    • 16 — lighter alternative for shorter or more animation-style output

  • Advanced Options:

    • Random seed (-1 = random, default 1) — set a fixed integer to reproduce the same video across runs

Accuracy & Speed

• Technical Details

Model Source

• HuggingFace:

  BestWishYsh/Helios-Distilled · Hugging Face

Compliance & Provenance