Modeldex
ByteDance

Seed 1.6 Flash

CTX256K
Reasoning · Vision · Tools
TextImageInput$0.022/M
TextOutput$0.22/M

Low-latency ByteDance Seed model for high-throughput chat, extraction, and lightweight tool use

PaidProprietary647/1044
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ByteDanceTextCommon

Seed 1.6 Flash

Low-latency ByteDance Seed model for high-throughput chat, extraction, and lightweight tool use

doubao-seed-1-6-flash-250828
Type
Text
Quality
Not rated yet
Context window
256,000 tokens
Max output
32,000 tokens
Input price
$0.022 / 1M tokens
Output price
$0.22 / 1M tokens
Cache read
$0.0044 / 1M tokens
Cache write
—
Released
Aug 28, 2025
Knowledge cutoff
—
Takes in
Text, Image
Puts out
Text
Reasoning
Yes
Tool calling
Yes
Structured output
Yes
File attachments
Yes
Access
Paid
License
Proprietary
Rarity
Common
Set number
647/1044

Weights aren’t public. Use is governed by ByteDance’s terms. Specs from models.dev, last changed Oct 19, 2026. Official source: www.volcengine.com.

How good is it?

Public leaderboard scores for Seed 1.6 Flash, refreshed daily from Epoch AI and LMArena.

No public leaderboard lists Seed 1.6 Flash yet. Epoch AI and LMArena cover most chat, image, and video models from the big labs; embeddings, speech, and small open models mostly go unrated.

Where to run it

7 providers sell Seed 1.6 Flash through an API. Prices are per million tokens, cheapest first.

API providers

ProviderInputOutputContext
OfoxCheapest paidvolcengine/doubao-seed-1-6-flash$0.03$0.22256K
Volcengine ArkOfficialdoubao-seed-1-6-flash-250828$0.022$0.22256K
DevPass (LLM Gateway)seed-1-6-flash-250715$0.07$0.30256K
LLM Gatewaybytedance/seed-1-6-flash-250715$0.07$0.30256K
Kilo Gatewaybytedance-seed/seed-1.6-flash$0.075$0.30262K
OpenRouterbytedance-seed/seed-1.6-flash$0.075$0.30262K
AI/ML APIbytedance-seed/seed-1.6-flash$0.10$0.41262K

From models.dev and Hugging Face, checked daily. Resellers’ listings can lag behind their price pages, so confirm with the provider before you commit.

Face off

Current text models from other labs at a similar output price.

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