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    ByteDance Seed: Seed 1.6 Flash

    bytedance-seed/seed-1.6-flash

    Created Dec 23, 2025262,144 context
    Starting at $0.075/M input tokensStarting at $0.30/M output tokens

    Seed 1.6 Flash is an ultra-fast multimodal deep thinking model by ByteDance Seed, supporting both text and visual understanding. It features a 256k context window and can generate outputs of up to 16k tokens.

    Recent activity on Seed 1.6 Flash

    Total usage per day on OpenRouter

    Prompt
    37.3M
    Reasoning
    10.8M
    Completion
    3.65M

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