> ## 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.

# Seed 2.1 Turbo API

> Seed 2.1 Turbo API on Venice: 250K context, $0.63 input and $3.13 output per 1M tokens. 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":"seed-2-1-turbo","name":"Seed 2.1 Turbo","modality":"text","task":"chat","provider":"bytedance","description":"Seed 2.1 Turbo (Dola-Seed-2.1) is ByteDance’s next-generation multimodal model for the coding and agent era, with engineering-grade code delivery, long-horizon agent execution, and upgraded GUI and video understanding. Supports text, image, and video inputs with a 256K context window.","primary":"seed-2-1-turbo","variants":["seed-2-1-turbo"],"created":1782604800,"updated":1782604800,"privacy":["anonymized"]},"models":[{"id":"seed-2-1-turbo","name":"Seed 2.1 Turbo","type":"text","modality":"text","task":"chat","variant":"standard","provider":"bytedance","created":1782604800,"description":"Seed 2.1 Turbo (Dola-Seed-2.1) is ByteDance’s next-generation multimodal model for the coding and agent era, with engineering-grade code delivery, long-horizon agent execution, and upgraded GUI and video understanding. Supports text, image, and video inputs with a 256K context window.","source":"https://console.byteplus.com/ark/region:ark+ap-southeast-1/model/detail?Id=dola-seed-2-1-turbo","privacy":"anonymized","text":{"context":256000,"maxOutput":65536,"reasoning":{"supported":true},"caps":{"tools":true,"structured":true,"vision":true,"maxImages":10,"videoInput":true,"maxVideos":4,"webSearch":true,"code":true}},"pricing":{"input":0.625,"output":3.125,"cacheRead":0.125,"blended":1.25},"headline":{"value":1.25,"unit":"per 1M tokens","basis":"blended"},"endpoints":[{"id":"chat","method":"POST","path":"/chat/completions","name":"Chat Completions","status":"stable","recommended":true},{"id":"responses","method":"POST","path":"/responses","name":"Responses","status":"alpha"}],"family":"seed-2-1-turbo"}],"related":{"similar":[{"slug":"nvidia-nemotron-3-ultra","name":"NVIDIA Nemotron 3 Ultra","provider":"nvidia","modality":"text","privacy":["private"],"created":1780531200,"headline":{"value":1.25,"unit":"per 1M tokens","basis":"blended"},"variants":1},{"slug":"grok-build-0-1","name":"Grok Build 0.1","provider":"xai","modality":"text","privacy":["private"],"created":1779321600,"headline":{"value":1.25,"unit":"per 1M tokens","basis":"blended"},"variants":1},{"slug":"aion-3-0-mini","name":"Aion 3.0 Mini","provider":"aion","modality":"text","privacy":["anonymized"],"created":1783468800,"headline":{"value":1.09375,"unit":"per 1M tokens","basis":"blended"},"variants":1},{"slug":"kimi-k2-7-code","name":"Kimi K2.7 Code","provider":"moonshot","modality":"text","privacy":["private"],"created":1781308800,"headline":{"value":1.4375,"unit":"per 1M tokens","basis":"blended"},"variants":1}],"versions":[]},"providers":{"bytedance":{"slug":"bytedance","name":"ByteDance Seed","logo":"/images/icons/models/bytedance.svg"},"nvidia":{"slug":"nvidia","name":"NVIDIA","logo":"/images/icons/models/nvidia.svg"},"xai":{"slug":"xai","name":"xAI","logo":"/images/icons/models/grok.svg"},"aion":{"slug":"aion","name":"Aion Labs","logo":"/images/icons/models/aionlabs.svg"},"moonshot":{"slug":"moonshot","name":"Moonshot AI","logo":"/images/icons/models/kimi.svg"}},"faq":[{"q":"How much does the Seed 2.1 Turbo API cost?","a":"$0.63 per 1M input tokens and $3.13 per 1M output tokens, with cached input at $0.13 per 1M. Prices are in USD and can be paid in DIEM at parity."},{"q":"What is the Seed 2.1 Turbo model ID?","a":"Use `seed-2-1-turbo` as the `model` parameter."},{"q":"Is the Seed 2.1 Turbo API private?","a":"Seed 2.1 Turbo 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 is the context window of Seed 2.1 Turbo?","a":"250K tokens of context, with up to 64K output tokens per response."},{"q":"What does Seed 2.1 Turbo support?","a":"Seed 2.1 Turbo supports function calling, structured outputs, reasoning, image input, web search and prompt caching."},{"q":"Which endpoint does the Seed 2.1 Turbo API use?","a":"Call `POST /chat/completions`. `/responses` (Alpha) is also supported."}]}} />

<div className="vx-static">
  <Accordion title="Plain-text specification">
    # Seed 2.1 Turbo API

    Seed 2.1 Turbo is a large language model by ByteDance Seed, available on the Venice API as `seed-2-1-turbo`. Requests are anonymized, so the provider never sees your identity.

    Seed 2.1 Turbo (Dola-Seed-2.1) is ByteDance’s next-generation multimodal model for the coding and agent era, with engineering-grade code delivery, long-horizon agent execution, and upgraded GUI and video understanding. Supports text, image, and video inputs with a 256K context window.

    ## Seed 2.1 Turbo API pricing

    | Model ID | Variant | Privacy | Price |
    | - | - | - | - |
    | `seed-2-1-turbo` | Standard | Anonymized | $0.63 input / $3.13 output per 1M tokens |

    ## Seed 2.1 Turbo specifications

    | Spec | Value |
    | - | - |
    | Provider | ByteDance Seed |
    | Released | Jun 28, 2026 |
    | Privacy | Anonymized |
    | Context window | 250K tokens |
    | Max output | 64K tokens |
    | Reasoning effort | Not adjustable |

    ## How to use the Seed 2.1 Turbo API

    Send requests to `POST https://api.venice.ai/api/v1/chat/completions` with `"model": "seed-2-1-turbo"` and your API key.

    ```bash theme={null}
    curl https://api.venice.ai/api/v1/chat/completions \
      -H "Authorization: Bearer $VENICE_API_KEY" \
      -H "Content-Type: application/json" \
      -d '{
        "model": "seed-2-1-turbo",
        "messages": [{ "role": "user", "content": "Explain TEE attestation in two sentences." }]
      }'
    ```

    ## Seed 2.1 Turbo API FAQ

    ### How much does the Seed 2.1 Turbo API cost?

    $0.63 per 1M input tokens and $3.13 per 1M output tokens, with cached input at \$0.13 per 1M. Prices are in USD and can be paid in DIEM at parity.

    ### What is the Seed 2.1 Turbo model ID?

    Use `seed-2-1-turbo` as the `model` parameter.

    ### Is the Seed 2.1 Turbo API private?

    Seed 2.1 Turbo 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 is the context window of Seed 2.1 Turbo?

    250K tokens of context, with up to 64K output tokens per response.

    ### What does Seed 2.1 Turbo support?

    Seed 2.1 Turbo supports function calling, structured outputs, reasoning, image input, web search and prompt caching.

    ### Which endpoint does the Seed 2.1 Turbo API use?

    Call `POST /chat/completions`. `/responses` (Alpha) is also supported.

    ## Related models

    * [NVIDIA Nemotron 3 Ultra API](/models/nvidia-nemotron-3-ultra): $0.63 input / $3.13 output per 1M tokens
    * [Grok Build 0.1 API](/models/grok-build-0-1): $1.00 input / $2.00 output per 1M tokens
    * [Aion 3.0 Mini API](/models/aion-3-0-mini): $0.88 input / $1.75 output per 1M tokens
    * [Kimi K2.7 Code API](/models/kimi-k2-7-code): $0.75 input / $3.50 output per 1M tokens
  </Accordion>
</div>


This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.