Model Comparison
Seed 2.1 Pro vs Seed 2.1 TurboWhich is better in 2026?
Seed 2.1 Pro significantly outperforms across most benchmarks.
Verdict: Seed 2.1 Pro vs Seed 2.1 Turbo — which is better?
Seed 2.1 Pro (by ByteDance) and Seed 2.1 Turbo (by ByteDance) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.
Seed 2.1 Pro outperforms in 73 benchmarks (Agent Startup Bench, APEX-Agents, ArcAGI2, Artifacts Bench, BabyVision, BLINK, BrowseComp, CharXiv-D, CharXiv-R, ClawEval-MM, ContPhy, CreativeWork, CrossVid, CyberGym, DeepSWE, Doubao Multi-Turn Bench, DynaMath, EmbSpatialBench, EMMA, ERQA, Finance Agent v1.1, GameWorld, GDPval, Humanity's Last Exam, Image2FloorPlan, KINA, LVBench, MathVerse, MathVision, MathVista, MCP Atlas, MeasureBench, Minerva, MMLongBench-128K, MMMU-Pro, MMSIBench, MobileWorld, MotionBench, MSQA, NL2Repo, OCRBench_V2, OfficeQA Pro, OneMillion Bench, OSWorld, OVBench, OVOBench, PresentBench, Program Bench, RealWorldQA, Repo Env, SciCode, SeedClawBench, SimpleVQA, SuperChem, SuperGPQA, SWE-Atlas, SWE-Bench Pro, Terminal-Bench 2.1, TOMATO, Toolathlon, Trae Code Gen, Trae Error Fix, TVBench, VideoHolmes, Video-MME, VideoSimpleQA, VisFactor, VisuLogic, VLMsAreBiased, Web Bench, WorldBench, WorldVQA, xDailyBench), while Seed 2.1 Turbo is better at 13 benchmarks (AetherCode, Beyond AIME, DUDE, FrontierCS, FrontierScience Olympiad, FrontierScience Research, LiveMathematicianBench, LiveSports-3K, MathArena Apex, PostTrainBench, WildClawBench, Workspace Bench, ZEROBench). Seed 2.1 Pro significantly outperforms across most benchmarks.
Choose Seed 2.1 Pro if…
- you want the strongest raw capability — it leads on 73 of 90 shared benchmarks
Choose Seed 2.1 Turbo if…
- you are already invested in the ByteDance ecosystem
Performance Benchmarks
Comparative analysis across standard metrics
Seed 2.1 Pro outperforms in 73 benchmarks (Agent Startup Bench, APEX-Agents, ArcAGI2, Artifacts Bench, BabyVision, BLINK, BrowseComp, CharXiv-D, CharXiv-R, ClawEval-MM, ContPhy, CreativeWork, CrossVid, CyberGym, DeepSWE, Doubao Multi-Turn Bench, DynaMath, EmbSpatialBench, EMMA, ERQA, Finance Agent v1.1, GameWorld, GDPval, Humanity's Last Exam, Image2FloorPlan, KINA, LVBench, MathVerse, MathVision, MathVista, MCP Atlas, MeasureBench, Minerva, MMLongBench-128K, MMMU-Pro, MMSIBench, MobileWorld, MotionBench, MSQA, NL2Repo, OCRBench_V2, OfficeQA Pro, OneMillion Bench, OSWorld, OVBench, OVOBench, PresentBench, Program Bench, RealWorldQA, Repo Env, SciCode, SeedClawBench, SimpleVQA, SuperChem, SuperGPQA, SWE-Atlas, SWE-Bench Pro, Terminal-Bench 2.1, TOMATO, Toolathlon, Trae Code Gen, Trae Error Fix, TVBench, VideoHolmes, Video-MME, VideoSimpleQA, VisFactor, VisuLogic, VLMsAreBiased, Web Bench, WorldBench, WorldVQA, xDailyBench), while Seed 2.1 Turbo is better at 13 benchmarks (AetherCode, Beyond AIME, DUDE, FrontierCS, FrontierScience Olympiad, FrontierScience Research, LiveMathematicianBench, LiveSports-3K, MathArena Apex, PostTrainBench, WildClawBench, Workspace Bench, ZEROBench).
Seed 2.1 Pro significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Input Capabilities
Supported data types and modalities
Both Seed 2.1 Pro and Seed 2.1 Turbo support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Seed 2.1 Pro
Seed 2.1 Turbo
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
Both models were released on 2026-06-24.
They likely represent similar generations of model development.
Jun 24, 2026
3 weeks ago
Jun 24, 2026
3 weeks ago
Knowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Outputs Comparison
Key Takeaways
Seed 2.1 Pro
View detailsByteDance
Seed 2.1 Turbo
View detailsByteDance
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against Seed 2.1 Pro and Seed 2.1 Turbo side-by-side, then vote on the output you prefer.
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FAQ
Common questions about Seed 2.1 Pro vs Seed 2.1 Turbo.