All Models

Seed 1.8

seedReasoningTool CallingAttachmentsOpen WeightsStructured Output

Multimodal reasoning model for visual analysis, planning, and tool use

Providers6
ReleasedSep 1, 2025
Input Modalitiestext, image
Output Modalitiestext
Tarsk Usecoding

Available Providers (6)

ProviderModel IDInput CostOutput CostContextMax OutputDocs
Volcengine Arkdoubao-seed-1-8-251228$0.12/MTok$1.19/MTok256K64K
Ofoxvolcengine/doubao-seed-1-8$0.12/MTok$0.29/MTok256K64K
LLM Gatewaybytedance/seed-1-8-251228$0.25/MTok$2/MTok256K256K
Requestyseed-1.8$0.25/MTok$2/MTok256K256K
Vercel AI Gatewaybytedance/seed-1.8$0.25/MTok$2/MTok256K64K
DevPass (LLM Gateway)seed-1-8-251228$0.25/MTok$2/MTok256K8.2K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output