Project AURIONAI Use-Cases Research & Innovation
image generationfamily

Seedream

ByteDance Seed image model line.

ByteDanceByteDanceChina
ByteDance
Levelfamily
Classimage generation
Parametersnot in the notes
Contextnot in the notes
Releasednot in the notes
Opennessunknown
Runs onnot in the notes
Statusactive

Benchmark Results

independent
Artificial Analysis Text-to-Image Arena AA-Image-T2I v2.0generative media
Seedream 5.0 Prorank shown as 17-18independent
1,080
rank 17, AA Text-to-Image Arena, overall10 Oct 2026 artificialanalysis.ai
Seedream 4.0rank shown as 20-27independent
1,030
rank 20, AA Text-to-Image Arena, overall10 Oct 2026 artificialanalysis.ai
Seedream 4.5independent
1,023 +-9; 95% interval 1014 to 1032
5009001,300

Score in Elo; the axis starts at 500, as Elo has no zero. Higher is better.

rank 27, AA Text-to-Image leaderboard, overall11 Oct 2026 artificialanalysis.ai
LMArena Text-to-Image Arenagenerative media
Seedream 5.0 Proindependent
1,255 ±4
1,1001,3001,500

Score in Elo; the axis starts at 1,100, as Elo has no zero. Higher is better.

rank 12, LMArena Text-to-Image, overall, updated 7 Oct 20267 Oct 2026 arena.ai
Where this comes from
Every score names who ran it: vendor-reported, maintainer-run or independent. A rank is shown with the population it was ranked in (gap rule 3).

Lineage

202520262027Seedream 3.0Seedream 3.0, Apr 2025Seedream 4.0Seedream 4.0, Sep 2025Seedream 4.5Seedream 4.5, Dec 2025Seedream 5.0 ProSeedream 5.0 Pro, Jul 2026

1 member has no release date in the notes, so it is not on this timeline.

ByteDanceSeedream 5.0 Pro belongs to this familyimage generationJul 2026
ByteDanceSeedream 4.5 belongs to this familyimage generationDec 2025
ByteDanceSeedream 4.0 belongs to this familyimage generationSep 2025
ByteDanceSeedream 3.0 belongs to this familyimage generation15 Apr 2025
ByteDanceSeedream 5.0 Lite belongs to this familyimage generation
Where this comes from
Parent and child relations from model cards, Hugging Face base_model fields and the genealogy tables of the research notes. Confidence and evidence are the notes' own.

R&D Topics

Text-to-image foundation models (diffusion and flow transformers)produced by

Identity

Developer
ByteDance
Family
not in the notes
Released
– sources
Weights published
–
Record checked
10 Oct 2026
Where this comes from
Developer and dates from the research notes. Release date is the vendor's public announcement; weights date is when open weights were published.

Architecture and Size

Architecture
not in the notes
Total parameters
– sources
Active parameters
–
Checkpoint parameters
–
Context length
not in the notes
Input
not in the notes
Output
not in the notes
Where this comes from
Parameter counts as the developer states them. Where the checkpoint holds a different total, both are shown (register A16).

Openness and Access

Openness
unknown
Licence
not in the notes sources
Access routes
not in the notes
Where this comes from
The licence file governs over registry tags and aggregator labels.

Deployment

Runs on
not in the notes
Footprint
not in the notes
Runtimes
not in the notes
Where this comes from
Deployment tiers and runtimes as named in the notes. Footprint is the notes' figure, not a measurement by AURION.

Indonesia

Indonesian support
not stated
Regional languages
not in the notes
Jakarta hosting
unknown
Languages
not in the notes
Where this comes from
Indonesia fields are carried on every model; unknown is an allowed value.

Industry Use Cases

No industry use case links this model.

Sources

  1. ByteDance releases Seedream 5.0 Pro image generator ahead of planned Seedance 2.5 video model launch , Digg digg.com https://digg.com/ai/19tzlk11
  2. AA-Image-T2I v2.0 Leaderboard - Top AI Image Models | Artificial Analysis artificialanalysis.ai https://artificialanalysis.ai/text-to-image/arena/leaderboard-text

To cite this page: Project AURION, AI Use-Cases Research & Innovation, "Seedream", https://aurion.semai.id/models/bytedance-seedream/, records of October 2026.