seed-1.6

Seed1.6 integrates multimodal capabilities, with "adaptive thinking" balancing model performance with reasoning capability.

Context
256K
Input price
$0.25/1M tokens
Output price
$2/1M tokens

Capabilities

Reasoning & Interaction
Reasoning
Tool Calling
Infrastructure
Streaming

Details

Model IDbytedance/seed-1.6
Provider Vercel AI Gateway
Creator ByteDance Seed
Family—
License—
Statusactive
Typechat
Input modalitiestext, image
Output modalitiestext
Open weight—
Parameters—
Architecture—
Context window256K tokens
Max input—
Max output—
Reasoning tokens—
Knowledge cutoff—
Release date—
Sourceofficial

Tools

Function Callingfunction_calling
Call external functions and APIs

Pricing

Input
$0.25
Output
$2
Cache write
—
Cache read
—
Batch in
—
Batch out
—

API

GET/v1/models/vercel/bytedance/seed-1.6

seed-1.6

bytedance/seed-1.6

Seed1.6 integrates multimodal capabilities, with "adaptive thinking" balancing model performance with reasoning capability.

Changes · 4 entries
bytedance/seed-1.6updateca7a400Nov 2, 2026, 03:02 AM
modalitiesinput["text"]→["text","image"]
bytedance/seed-1.6updateb301ebeMar 23, 2026, 11:47 PM
model_typechat
modalitiesinput["text"]output["text"]
bytedance/seed-1.6update2b100acMar 23, 2026, 05:30 AM
tools["function_calling"]
bytedance/seed-1.6create7f5c66fMar 21, 2026, 05:16 AM