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Seed 2.1 Pro vs Seed 2.1 Turbo

Seed 2.1 Pro leads the LLM Stats Score 46.2 to 43.1.

ByteDance · ByteDance · Updated for 2026

Which is better?

Seed 2.1 Pro leads the overall LLM Stats Score 46.2 to 43.1, ranking #27 overall.

In the 90 individual benchmarks reported for both models, Seed 2.1 Pro wins 74; this is a narrower head-to-head signal than the composite indexes.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Seed 2.1 Pro

  • overall performance matters — it scores 46.2 and ranks #27 on LLM Stats
  • you value its reported benchmark strengths — it wins 74 of 90 exact shared results

Choose Seed 2.1 Turbo

  • you are already invested in the ByteDance ecosystem

At a glance

The differences that matter most.

Core performance indexes
46.2
#27
43.1
#44
47.4
#24
44.4
#35
33.4
#37
31.1
#48
31.8
#31
29.1
#41
Cost, coverage & limits
Benchmark wins
74 of 90
16 of 90
Input price
— / M
— / M
Output price
— / M
— / M
Context window

Capability indexes

Additional strengths measured across groups of related public benchmarks

7 shared
Index
Seed 2.1 Pro
Seed 2.1 Turbo
40.5#14
39.7#17
34.4#12
30.4#28
24.5#32
19.3#56
30.1#5
29.8#6
37.8#4
33.5#16
2 more shared indexes
35.7#7
30.8#22
35.5#6
32.4#14
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

94 reported for Seed 2.1 Pro · 90 for Seed 2.1 Turbo

90 shared

Seed 2.1 Pro outperforms in 74 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, ZEROBench), while Seed 2.1 Turbo is better at 12 benchmarks (AetherCode, Beyond AIME, DUDE, FrontierCS, FrontierScience Olympiad, FrontierScience Research, LiveMathematicianBench, LiveSports-3K, MathArena Apex, PostTrainBench, WildClawBench, Workspace Bench).

Seed 2.1 Pro significantly outperforms across most benchmarks.

Tue Sep 22 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Input capabilities

Documented input modalities across available providers

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

2 months ago

Seed 2.1 Turbo

Jun 24, 2026

2 months 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

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

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 leads the LLM Stats Score 46.2 to 43.1. 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 capability indexes, individual benchmarks, pricing, and limits 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%.

What are the main differences between Seed 2.1 Pro and Seed 2.1 Turbo?

Key differences include LLM Stats Score (46.2 vs 43.1). See the full comparison above for benchmark-by-benchmark results.