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Bytedance Seed 1.8

Bytedance Seed 1.8 is ByteDance's generalized agentic model. It combines a Search Agent, Code Agent, and GUI Agent in one multimodal system with token-efficient visual encoding and three adaptive thinking modes.

ReasoningVision (Image)Implicit Cachingtiered-cost
index.ts
import { streamText } from 'ai'


const result = streamText({
  model: 'bytedance/seed-1.8',
  prompt: 'Why is the sky blue?'
})
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Provider
Context
Latency
Throughput
Input
Output
Cache
Web Search
Per Query
Capabilities
ZDR
No Training
Release Date
ByteDance
Legal:Terms
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256K
1.2s
130tps
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09/01/2025