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    • © 2025 OpenRouter, Inc

    ByteDance Seed: Seed 1.6

    bytedance-seed/seed-1.6

    Created Dec 23, 2025262,144 context
    Starting at $0.25/M input tokensStarting at $2/M output tokens

    Seed 1.6 is a general-purpose model released by the ByteDance Seed team. It incorporates multimodal capabilities and adaptive deep thinking with a 256K context window.

    Providers for Seed 1.6

    OpenRouter routes requests to the best providers that are able to handle your prompt size and parameters, with fallbacks to maximize uptime.

    Performance for Seed 1.6

    Compare different providers across OpenRouter

    Apps using Seed 1.6

    Top public apps this month

    Recent activity on Seed 1.6

    Total usage per day on OpenRouter

    Prompt
    1.14M
    Completion
    166K
    Reasoning
    152K

    Prompt tokens measure input size. Reasoning tokens show internal thinking before a response. Completion tokens reflect total output length.

    Uptime stats for Seed 1.6

    Uptime stats for Seed 1.6 across all providers

    Sample code and API for Seed 1.6

    OpenRouter normalizes requests and responses across providers for you.

    OpenRouter supports reasoning-enabled models that can show their step-by-step thinking process. Use the reasoning parameter in your request to enable reasoning, and access the reasoning_details array in the response to see the model's internal reasoning before the final answer. When continuing a conversation, preserve the complete reasoning_details when passing messages back to the model so it can continue reasoning from where it left off. Learn more about reasoning tokens.

    In the examples below, the OpenRouter-specific headers are optional. Setting them allows your app to appear on the OpenRouter leaderboards.

    Using third-party SDKs

    For information about using third-party SDKs and frameworks with OpenRouter, please see our frameworks documentation.

    See the Request docs for all possible fields, and Parameters for explanations of specific sampling parameters.