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

90 benchmarks

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.

Fri Jul 17 2026 • llm-stats.com

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

Text
Images
Audio
Video

Seed 2.1 Turbo

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Seed 2.1 Pro

Proprietary

Closed source

Seed 2.1 Turbo

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.

Seed 2.1 Pro

Jun 24, 2026

3 weeks ago

Seed 2.1 Turbo

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.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Key Takeaways

Higher Agent Startup Bench score (68.8% vs 54.0%)
Higher APEX-Agents score (33.8% vs 29.2%)
Higher ArcAGI2 score (62.5% vs 61.3%)
Higher Artifacts Bench score (51.0% vs 47.0%)
Higher BabyVision score (73.7% vs 62.9%)
Higher BLINK score (81.4% vs 79.4%)
Higher BrowseComp score (86.2% vs 84.9%)
Higher CharXiv-D score (95.5% vs 94.6%)
Higher CharXiv-R score (86.4% vs 83.6%)
Higher ClawEval-MM score (51.0% vs 46.0%)
Higher ContPhy score (63.6% vs 61.1%)
Higher CreativeWork score (42.5% vs 34.5%)
Higher CrossVid score (65.0% vs 63.2%)
Higher CyberGym score (70.2% vs 67.0%)
Higher DeepSWE score (32.7% vs 23.0%)
Higher Doubao Multi-Turn Bench score (52.5% vs 49.0%)
Higher DynaMath score (73.1% vs 68.1%)
Higher EmbSpatialBench score (83.4% vs 82.5%)
Higher EMMA score (79.3% vs 78.4%)
Higher ERQA score (72.0% vs 71.3%)
Higher Finance Agent v1.1 score (60.7% vs 56.0%)
Higher GameWorld score (31.2% vs 25.9%)
Higher GDPval score (87.9% vs 82.7%)
Higher Humanity's Last Exam score (55.7% vs 54.6%)
Higher Image2FloorPlan score (48.0% vs 35.9%)
Higher KINA score (48.3% vs 46.6%)
Higher LVBench score (78.0% vs 76.8%)
Higher MathVerse score (89.7% vs 89.2%)
Higher MathVision score (94.5% vs 92.7%)
Higher MathVista score (90.7% vs 90.5%)
Higher MCP Atlas score (83.8% vs 80.3%)
Higher MeasureBench score (62.9% vs 58.9%)
Higher Minerva score (70.7% vs 65.9%)
Higher MMLongBench-128K score (78.3% vs 76.9%)
Higher MMMU-Pro score (82.7% vs 82.2%)
Higher MMSIBench score (35.9% vs 31.4%)
Higher MobileWorld score (73.1% vs 70.0%)
Higher MotionBench score (74.9% vs 74.8%)
Higher MSQA score (50.2% vs 42.0%)
Higher NL2Repo score (47.0% vs 43.7%)
Higher OCRBench_V2 score (63.2% vs 62.8%)
Higher OfficeQA Pro score (72.2% vs 71.1%)
Higher OneMillion Bench score (68.8% vs 66.6%)
Higher OSWorld score (78.8% vs 76.4%)
Higher OVBench score (70.0% vs 69.7%)
Higher OVOBench score (80.7% vs 79.2%)
Higher PresentBench score (54.6% vs 48.3%)
Higher Program Bench score (50.3% vs 49.4%)
Higher RealWorldQA score (86.7% vs 86.3%)
Higher Repo Env score (55.0% vs 46.7%)
Higher SciCode score (59.8% vs 57.8%)
Higher SeedClawBench score (66.6% vs 63.8%)
Higher SimpleVQA score (74.5% vs 71.1%)
Higher SuperChem score (59.8% vs 56.6%)
Higher SuperGPQA score (70.8% vs 67.4%)
Higher SWE-Atlas score (35.2% vs 30.6%)
Higher SWE-Bench Pro score (57.5% vs 57.0%)
Higher Terminal-Bench 2.1 score (71.0% vs 67.6%)
Higher TOMATO score (79.5% vs 56.8%)
Higher Toolathlon score (50.6% vs 49.1%)
Higher Trae Code Gen score (62.4% vs 59.7%)
Higher Trae Error Fix score (63.3% vs 56.7%)
Higher TVBench score (80.5% vs 77.2%)
Higher VideoHolmes score (68.2% vs 67.6%)
Higher Video-MME score (89.2% vs 89.0%)
Higher VideoSimpleQA score (76.4% vs 71.4%)
Higher VisFactor score (51.4% vs 43.9%)
Higher VisuLogic score (54.3% vs 52.9%)
Higher VLMsAreBiased score (83.6% vs 68.3%)
Higher Web Bench score (78.4% vs 73.6%)
Higher WorldBench score (67.6% vs 63.7%)
Higher WorldVQA score (53.0% vs 48.6%)
Higher xDailyBench score (61.0% vs 56.4%)
Higher AetherCode score (67.9% vs 65.8%)
Higher Beyond AIME score (88.0% vs 87.0%)
Higher DUDE score (83.1% vs 82.8%)
Higher FrontierCS score (50.8% vs 46.3%)
Higher FrontierScience Olympiad score (76.0% vs 75.0%)
Higher FrontierScience Research score (33.3% vs 28.3%)
Higher LiveMathematicianBench score (27.7% vs 20.9%)
Higher LiveSports-3K score (77.1% vs 76.8%)
Higher MathArena Apex score (35.4% vs 31.3%)
Higher PostTrainBench score (18.3% vs 16.5%)
Higher WildClawBench score (62.8% vs 61.7%)
Higher Workspace Bench score (54.7% vs 53.0%)
Higher ZEROBench score (57.2% vs 56.3%)

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.

Seed 2.1 Pro
✓ Preferred
Seed 2.1 Turbo
Open in Playground
AI Model Comparison Table
Feature
ByteDance
Seed 2.1 Pro
ByteDance
Seed 2.1 Turbo

FAQ

Common questions about Seed 2.1 Pro vs Seed 2.1 Turbo.

Which is better, Seed 2.1 Pro or Seed 2.1 Turbo?

Seed 2.1 Pro significantly outperforms across most benchmarks. Seed 2.1 Pro is made by ByteDance and Seed 2.1 Turbo is made by ByteDance. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Seed 2.1 Pro compare to Seed 2.1 Turbo in benchmarks?

Seed 2.1 Pro scores CharXiv-D: 95.5%, MathVision: 94.5%, MathVista: 90.7%, MathVerse: 89.7%, Video-MME: 89.2%. Seed 2.1 Turbo scores CharXiv-D: 94.6%, MathVision: 92.7%, MathVista: 90.5%, MathVerse: 89.2%, Video-MME: 89.0%.