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Seed 2.1 Turbo

Seed 2.1 Turbo is ByteDance’s multimodal language model supporting text, image, and video inputs with text output.

text + image + video → text · made by ByteDance

$0.45→$2.23per Mtok in / out
ByteDance · 6 sellers

Sold by 8 ways

SellerLaneRate
ByteDance apibatch$0.22per Mtok in$1.12per Mtok out$0.089per Mtok cachedvolcengine.com · read 2026-08-25
ByteDance apistandard$0.45per Mtok in$2.23per Mtok out$0.089per Mtok cachedvolcengine.com · read 2026-08-25
ByteDance apilow-latency$0.89per Mtok in$4.46per Mtok out$0.18per Mtok cachedvolcengine.com · read 2026-08-25
AtlasCloud aggregatorstandard$0.45per Mtok in$2.25per Mtok out$0.09per Mtok cachedapi.atlascloud.ai · read 2026-09-20
Nous Research aggregatorstandard$0.5per Mtok in$2.5per Mtok outinference-api.nousresearch.com · read 2026-09-12
OpenRouter aggregatorstandard$0.5per Mtok in$2.5per Mtok outopenrouter.ai · read 2026-08-24
Vercel AI Gateway aggregatorstandard$0.5per Mtok in$2.5per Mtok out$0.1per Mtok cachedai-gateway.vercel.sh · read 2026-09-20
Venice AI aggregatorstandard$0.62per Mtok in$3.12per Mtok out$0.12per Mtok cachedmodels.dev · read 2026-11-01

About

Seed 2.1 Turbo — a text model from ByteDance, sold by 6 companies from $0.45 in and $2.23 out per million tokens.

It takes text, images and video and returns text, with a context window of 262,144 tokens. It was published in June 2026. Its sellers say it can reason step by step and call a tool. The catalogue files it under chat. Six companies sell it. The cheapest is $0.45 in and $2.23 out per million tokens at ByteDance. Beside the standard rate there are batch and separately routed lanes.

Every current figure

Maker
ByteDance
Register
model
Takes
text + image + video
Returns
text
Context
262,144 tokens
Published
June 2026
Licence
not read
Sellers
6
Price
$0.45 in and $2.23 out per million tokens — ByteDance

Known as 4 names

bytedance/doubao-seed-2.1-turbo-260628doubao-seed-2-1-turbo-260628bytedance-seed/seed-2-1-turbobytedance/seed-2.1-turbo