ByteDance Seed

Seed 1.8

ByteDance Seed model for multimodal reasoning, long-context analysis, and agent workflows

bytedance-seed/seed-1-8

Context

256K

Output

64K

Released

2025-12-28

Knowledge cutoff

—

Types

InputTextImage
OutputText

Reasoning

Supported

Tool use

Supported

Structured output

Supported

Attachments

Supported

Open weights

—

Provider pricing

No providers currently list this model.

From the same lab