> ## Documentation Index
> Fetch the complete documentation index at: https://veniceai-feat-models-redesign.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Runway Gen-4.5 API

> Runway Gen-4.5 API on Venice: text to video and image to video, 10s clips, from $0.16 per second. Anonymized access without your identity.

export const HubMount = ({view, children, ...props}) => {
  const [hub, setHub] = useState(null);
  const [failed, setFailed] = useState(false);
  useEffect(() => {
    let alive = true;
    const w = window;
    if (!w.__veniceModelHub) {
      const urls = w.location.hostname === 'localhost' ? ['http://localhost:3333/data/model-hub.bundle.json', '/data/model-hub.bundle.json'] : ['/data/model-hub.bundle.json'];
      const load = i => fetch(urls[i], {
        cache: 'no-cache'
      }).then(res => {
        if (!res.ok) throw new Error(`bundle ${res.status}`);
        return res.json();
      }).catch(err => i + 1 < urls.length ? load(i + 1) : Promise.reject(err));
      const Frag = <></>.type;
      const h = (type, props, ...kids) => {
        const T = type;
        const {key, ...rest} = props || ({});
        if (!kids.length) return <T key={key} {...rest} />;
        if (kids.length === 1) return <T key={key} {...rest}>{kids[0]}</T>;
        return <T key={key} {...rest}>{kids.map((kid, i) => <Frag key={i}>{kid}</Frag>)}</T>;
      };
      w.__veniceModelHub = load(0).then(bundle => new Function(`return (${bundle.code})`)()({
        h,
        Fragment: Frag,
        useState,
        useEffect,
        useRef,
        useMemo,
        useCallback
      }));
    }
    w.__veniceModelHub.then(instance => {
      if (alive) setHub(instance);
    }).catch(() => {
      w.__veniceModelHub = null;
      if (alive) setFailed(true);
    });
    return () => {
      alive = false;
    };
  }, []);
  const View = hub ? hub[view] : null;
  if (View) return <View {...props}>{children}</View>;
  if (failed) {
    return <div className="vx-mount is-failed">
        <p className="vx-mount-note">The interactive model catalog could not load. The full data is below.</p>
        {children}
      </div>;
  }
  return <div className="vx-mount" aria-busy="true">
      <div className="vx-mount-skeleton" aria-hidden="true"><span /><span /><span /></div>
      <div className="vx-mount-source">{children}</div>
    </div>;
};

<HubMount view="ModelPage" data={{"family":{"slug":"runway-gen-4-5","name":"Runway Gen-4.5","modality":"video","task":"video","provider":"runway","primary":"runway-gen4-5-text","variants":["runway-gen4-5-text","runway-gen4-5"],"created":1775952000,"updated":1775952000,"privacy":["anonymized"],"sets":["cinematic","photorealistic"],"modes":["t2v","i2v"]},"models":[{"id":"runway-gen4-5-text","name":"Runway Gen-4.5","type":"video","modality":"video","task":"video","variant":"t2v","provider":"runway","created":1775952000,"privacy":"anonymized","sets":["cinematic","photorealistic"],"video":{"mode":"t2v","durations":[{"value":"2s","seconds":2},{"value":"3s","seconds":3},{"value":"4s","seconds":4},{"value":"5s","seconds":5},{"value":"6s","seconds":6},{"value":"7s","seconds":7},{"value":"8s","seconds":8},{"value":"9s","seconds":9},{"value":"10s","seconds":10}],"aspectRatios":["16:9","9:16"],"audio":"none","promptLimit":1000},"pricing":{"status":"quoted","quotedAt":"2026-09-28T23:23:06.572Z","aspectRatio":"16:9","quotes":{"-|2s|off":0.32,"-|3s|off":0.49,"-|4s|off":0.65,"-|5s|off":0.81,"-|6s|off":0.97,"-|7s|off":1.13,"-|8s|off":1.3,"-|9s|off":1.46,"-|10s|off":1.62},"perSecond":{"-|off":0.162},"fromPerSecond":0.162,"toPerSecond":0.162},"headline":{"unit":"per second","basis":"lens"},"endpoints":[{"id":"video-queue","method":"POST","path":"/video/queue","name":"Queue generation","status":"stable","recommended":true},{"id":"video-retrieve","method":"POST","path":"/video/retrieve","name":"Retrieve result","status":"stable"},{"id":"video-quote","method":"POST","path":"/video/quote","name":"Quote price","status":"stable"}],"media":[{"prompt":"cinematic-landscape","type":"video","url":"https://venice.ai/samples/runway-gen4-5/cinematic-landscape.mp4","title":"Cinematic landscape","caption":"Slow aerial drone shot gliding over a misty mountain valley at golden hour, sunlight piercing clouds onto a winding river, ancient pine forests on either side, ultra-smooth motion, professional color grading, atmospheric haze, 4K","date":"2026-08-07","page":"https://venice.ai/models/runway-gen4-5"}],"family":"runway-gen-4-5"},{"id":"runway-gen4-5","name":"Runway Gen-4.5","type":"video","modality":"video","task":"video","variant":"i2v","provider":"runway","created":1775952000,"privacy":"anonymized","sets":["cinematic","photorealistic"],"video":{"mode":"i2v","durations":[{"value":"2s","seconds":2},{"value":"3s","seconds":3},{"value":"4s","seconds":4},{"value":"5s","seconds":5},{"value":"6s","seconds":6},{"value":"7s","seconds":7},{"value":"8s","seconds":8},{"value":"9s","seconds":9},{"value":"10s","seconds":10}],"aspectRatios":["16:9","9:16","1:1","4:3","3:4","21:9"],"audio":"none","inputs":{"image":true},"promptLimit":1000},"pricing":{"status":"quoted","quotedAt":"2026-09-28T23:23:06.310Z","aspectRatio":"16:9","quotes":{"-|2s|off":0.32,"-|3s|off":0.49,"-|4s|off":0.65,"-|5s|off":0.81,"-|6s|off":0.97,"-|7s|off":1.13,"-|8s|off":1.3,"-|9s|off":1.46,"-|10s|off":1.62},"perSecond":{"-|off":0.162},"fromPerSecond":0.162,"toPerSecond":0.162},"headline":{"unit":"per second","basis":"lens"},"endpoints":[{"id":"video-queue","method":"POST","path":"/video/queue","name":"Queue generation","status":"stable","recommended":true},{"id":"video-retrieve","method":"POST","path":"/video/retrieve","name":"Retrieve result","status":"stable"},{"id":"video-quote","method":"POST","path":"/video/quote","name":"Quote price","status":"stable"}],"media":[{"prompt":"cinematic-landscape","type":"video","url":"https://venice.ai/samples/runway-gen4-5/cinematic-landscape.mp4","title":"Cinematic landscape","caption":"Slow aerial drone shot gliding over a misty mountain valley at golden hour, sunlight piercing clouds onto a winding river, ancient pine forests on either side, ultra-smooth motion, professional color grading, atmospheric haze, 4K","date":"2026-08-07","page":"https://venice.ai/models/runway-gen4-5"}],"family":"runway-gen-4-5"}],"related":{"similar":[{"slug":"grok-imagine-video","name":"Grok Imagine","provider":"xai","modality":"video","privacy":["private"],"created":1776038400,"headline":{"unit":"per second","basis":"lens"},"videoFrom":0.06333,"variants":4},{"slug":"pixverse-c1","name":"PixVerse C1","provider":"pixverse","modality":"video","privacy":["anonymized"],"created":1775865600,"headline":{"unit":"per second","basis":"lens"},"videoFrom":0.03333,"variants":4},{"slug":"topaz-video-upscale","name":"Topaz Video Upscale","provider":"topaz","modality":"video","privacy":["anonymized"],"created":1775174400,"headline":{"unit":"per second","basis":"lens"},"variants":1},{"slug":"kling-o3-4k","name":"Kling O3 4K","provider":"kling","modality":"video","privacy":["anonymized"],"created":1776816000,"headline":{"unit":"per second","basis":"lens"},"videoFrom":0.462,"variants":3}],"versions":[]},"providers":{"runway":{"slug":"runway","name":"Runway","logo":"/images/icons/models/runway.svg"},"xai":{"slug":"xai","name":"xAI","logo":"/images/icons/models/grok.svg"},"pixverse":{"slug":"pixverse","name":"PixVerse","logo":"/images/icons/models/pixversevideo.svg"},"topaz":{"slug":"topaz","name":"Topaz Labs","logo":"/images/icons/models/topaz.svg"},"kling":{"slug":"kling","name":"Kling AI","logo":"/images/icons/models/kling.svg"}},"faq":[{"q":"How much does the Runway Gen-4.5 API cost?","a":"From $0.16 to $0.16 per second of video, depending on resolution, duration and audio. A 5-second  clip costs $0.81. Call `POST /video/quote` for the exact price before queueing. Prices are in USD and can be paid in DIEM at parity."},{"q":"What is the Runway Gen-4.5 model ID?","a":"Use `runway-gen4-5-text` as the `model` parameter. Other variants: `runway-gen4-5` (Image to video)."},{"q":"Is the Runway Gen-4.5 API private?","a":"Runway Gen-4.5 is anonymized: Venice forwards requests to the provider without your identity, but the provider may retain prompt data, so use a private model for sensitive work."},{"q":"What resolutions and durations does Runway Gen-4.5 support?","a":"Durations: 2s, 3s, 4s, 5s, 6s, 7s, 8s, 9s, 10s. Aspect ratios: 16:9, 9:16. Audio: none."},{"q":"Which endpoint does the Runway Gen-4.5 API use?","a":"Queue a job with `POST /video/queue`, then poll `/video/retrieve` for the result."}]}} />

<div className="vx-static">
  <Accordion title="Plain-text specification">
    # Runway Gen-4.5 API

    Runway Gen-4.5 is a text to video and image to video model by Runway, available on the Venice API as `runway-gen4-5-text`. Requests are anonymized, so the provider never sees your identity.

    ## Runway Gen-4.5 API pricing

    | Model ID | Variant | Privacy | Price |
    | - | - | - | - |
    | `runway-gen4-5-text` | Text to video | Anonymized | from \$0.16 per second |
    | `runway-gen4-5` | Image to video | Anonymized | from \$0.16 per second |

    ## Runway Gen-4.5 specifications

    | Spec | Value |
    | - | - |
    | Provider | Runway |
    | Released | Apr 12, 2026 |
    | Privacy | Anonymized |
    | Modes | text to video and image to video |
    | Durations | 2s, 3s, 4s, 5s, 6s, 7s, 8s, 9s, 10s |
    | Aspect ratios | 16:9, 9:16 |
    | Audio | None |

    ## How to use the Runway Gen-4.5 API

    Send requests to `POST https://api.venice.ai/api/v1/video/queue` with `"model": "runway-gen4-5-text"` and your API key.

    ```bash theme={null}
    # 1. Queue the job (returns a queue_id)
    curl https://api.venice.ai/api/v1/video/queue \
      -H "Authorization: Bearer $VENICE_API_KEY" \
      -H "Content-Type: application/json" \
      -d '{
        "model": "runway-gen4-5-text",
        "prompt": "Slow aerial drone shot over a misty mountain valley at golden hour",
        "duration": "5s",
        "aspect_ratio": "16:9"
      }'

    # 2. Poll until the MP4 is ready
    curl https://api.venice.ai/api/v1/video/retrieve \
      -H "Authorization: Bearer $VENICE_API_KEY" \
      -H "Content-Type: application/json" \
      -d '{ "model": "runway-gen4-5-text", "queue_id": "<queue_id>" }' --output video.mp4
    ```

    ## Runway Gen-4.5 API FAQ

    ### How much does the Runway Gen-4.5 API cost?

    From $0.16 to $0.16 per second of video, depending on resolution, duration and audio. A 5-second  clip costs \$0.81. Call `POST /video/quote` for the exact price before queueing. Prices are in USD and can be paid in DIEM at parity.

    ### What is the Runway Gen-4.5 model ID?

    Use `runway-gen4-5-text` as the `model` parameter. Other variants: `runway-gen4-5` (Image to video).

    ### Is the Runway Gen-4.5 API private?

    Runway Gen-4.5 is anonymized: Venice forwards requests to the provider without your identity, but the provider may retain prompt data, so use a private model for sensitive work.

    ### What resolutions and durations does Runway Gen-4.5 support?

    Durations: 2s, 3s, 4s, 5s, 6s, 7s, 8s, 9s, 10s. Aspect ratios: 16:9, 9:16. Audio: none.

    ### Which endpoint does the Runway Gen-4.5 API use?

    Queue a job with `POST /video/queue`, then poll `/video/retrieve` for the result.

    ## Related models

    * [Grok Imagine API](/models/grok-imagine-video): from \$0.06 per second
    * [PixVerse C1 API](/models/pixverse-c1): from \$0.03 per second
    * [Topaz Video Upscale API](/models/topaz-video-upscale): Priced by source video length (use /video/quote)
    * [Kling O3 4K API](/models/kling-o3-4k): from \$0.46 per second
  </Accordion>
</div>


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