All Models

Seed 1.8

seed Reasoning Tool Calling Attachments

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

Providers 3
Released Sep 1, 2025
Input Modalities text, image
Output Modalities text
Tarsk Use coding

Available Providers (3)

Provider Model ID Input Cost Output Cost Context Max Output Docs
Ofox volcengine/doubao-seed-1-8 $0.12/MTok $0.29/MTok 256K 64K
Requesty seed-1.8 $0.23/MTok $1.80/MTok 256K 256K
Vercel AI Gateway bytedance/seed-1.8 $0.25/MTok $2/MTok 256K 64K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output