Seed 1.6 Flash API
About
Build advanced reasoning agents with Seed 1.6 Flash, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $0.02/1M input and $0.22/1M output tokens, native tool calling support. Access Seed 1.6 Flash via the Volcengine Ark API with up to 32K output tokens.
Capabilities
Input Modalities
textimage
Output Modalities
text
Reasoning
Yes
Structured Output
Limits
Context Window
256K
Tokens
Input Limit
256K
Tokens
Max Output
32K
Tokens
Pricing
Standard (per 1M tokens)
Input
$0.02
Output
$0.22
Caching (per 1M tokens)
Read
$0.0044
Frequently Asked Questions
Seed 1.6 Flash by Volcengine Ark costs $0.02 per 1M input tokens and $0.22 per 1M output tokens. Cached reads cost $0.0044 per 1M tokens.
Model Details
ID
doubao-seed-1-6-flash-250828
Provider
Volcengine ArkFamily
seed
Release Date
Aug 28, 2025
Knowledge Cutoff
N/A
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
ARK_API_KEY
API Base URL
https://ark.cn-beijing.volces.com/api/v3