Seed 1.6

bytedance/seed-1.6

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.

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Context window: 262K
Input: Image · Text · Video
Output: Text
Released: 2025-12-23

Max output: 33K
Knowledge cutoff: 2024-10
Weights: Closed
Capabilities: Reasoning, Structured, Temperature, Tool call

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Performance

Overall capability

36.9/100

Coding: —
Reasoning: —
Professional work: —
Knowledge & language: 31.8


BullshitBench v2	Knowledge & language		BullshitBench	2026-11-05

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ModelRegistry · Catalog updated 2026-11-05