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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.

Recent activity on Seed 1.6

Total usage per day on OpenRouter

Prompt
454M
Reasoning
32.9M
Completion
12.2M

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