---
name: Seed 1.8 (251228)
slug: seed-1-8-251228
type: Multimodal
providers:
  - llmgateway
description: 'Multimodal reasoning model for visual analysis, planning, and tool use'
tags:
  - open-source
  - reasoning
  - tool-use
  - multimodal
  - seed
is_open_source: true
context_window: 256000
max_output: 8192
pricing:
  - image: 0
    input: 0.25
    output: 2
    provider: llmgateway (Ver 251228)
release_date: '2025-12-18'
capabilities:
  audio: false
  vision: true
  tool_use: true
  citations: false
  reasoning: true
---
Seed 1.8 (251228) is a Multimodal model.
Multimodal reasoning model for visual analysis, planning, and tool use