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ByteDance

36 models on Artificials, 3 with published test results and 4 with open weights you can download.

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Best on the capability indexNot yetNone of its models is on the index yet
Best rankTop 10%Seedream 4.5 on T2I-CoReBench
Newest releaseDoubao Seed 2.1 ProJun 23, 2026
Models363 tested, 4 with open weights

Where ByteDance stands

Its best model’s rank among all models tested on each skill area’s main test, the same tests model pages use. A longer bar means a better rank.

  • OverallSeed 2.0 Pro on Arena text
    Top 15%
  • CodingSeed 2.0 Pro on Arena coding
    Top 11%
  • MathByteDance-Seed/Seed-OSS-36B-Instruct on Mock AIME 2024–2025
    Top 50%
  • LanguageSeed 2.0 Pro on Arena creative writing
    Top 23%
  • ReasoningByteDance-Seed/Seed-OSS-36B-Instruct on GPQA Diamond
    Top 47%
  • Image generationSeedream 4.5 on T2I-CoReBench
    Top 10%

Every test

Its best result on each published test, and that result’s rank among every model tested. Scores from different tests are never combined.

TestBest modelScoreRank
T2I-CoReBenchSeedream 4.577.0%#4 of 40
Arena codingSeed 2.0 Pro1514#42 of 384
Arena hard promptsSeed 2.0 Pro1481#55 of 389
Arena textSeed 2.0 Pro1457#55 of 389
Arena mathSeed 2.0 Pro1450#66 of 372
Arena instruction followingSeed 2.0 Pro1435#75 of 389
Arena creative writingSeed 2.0 Pro1403#89 of 387
Arena WebDevSeed 2.1 Pro Preview1517#42 of 123
GPQA DiamondByteDance-Seed/Seed-OSS-36B-Instruct71.5%#103 of 222
Mock AIME 2024–2025ByteDance-Seed/Seed-OSS-36B-Instruct67.5%#99 of 198
Chess puzzlesByteDance-Seed/Seed-OSS-36B-Instruct13.0%#76 of 141

Every model

Newest first. The price is per 1M tokens, blended three input tokens to one output token: ByteDance’s own listing, or else the middle price across hosts.

ModelReleasedContextPriceCapability index
Doubao Seed 2.1 ProJun 23, 2026256K tokens$1.41Not on the index
Doubao Seed CharacterJun 23, 2026256K tokens$0.162Not on the index
Seed 2.1 TurboJun 23, 2026256K tokens$0.708Not on the index
Seed 2.1 TurboJun 23, 2026262.1K tokens$1.00Not on the index
Seed EvolvingJun 23, 2026256K tokens$1.77Not on the index
Seed 2.0 Lite (260428)Apr 28, 2026262.1K tokens$0.688Not on the index
Seed 2.0 Mini (260428)Apr 28, 2026262.1K tokens$0.175Not on the index
Seed 2.0 Code PreviewMar 28, 2026262.1K tokens$1.13Not on the index
Seed 2.0 Pro (260328)Mar 28, 2026262.1K tokens$1.13Not on the index
Doubao Seed 2.0 CodeFeb 14, 2026256K tokens$1.34Not on the index
Doubao Seed 2.0 Code Preview (260215)Feb 14, 2026262.1K tokens$0.95Not on the index
Doubao Seed 2.0 Lite 260428Feb 14, 2026256K tokens$0.188Not on the index
Doubao Seed 2.0 Mini 260428Feb 14, 2026256K tokens$0.0925Not on the index
Doubao Seed 2.0 ProFeb 14, 2026256K tokens$0.963Not on the index
Doubao Seed 2.0 Pro (260215)Feb 14, 2026256K tokens$0.95Not on the index

Models, prices, context windows and release dates from models.dev (MIT). Test results from Epoch AI (CC BY 4.0), T2I-CoReBench (CC BY-SA 4.0) and Arena (CC BY 4.0). A model counts here when ByteDance sells it, several hosts list it or a test covers it. Each figure is the source’s own; nothing is combined into a new score.