The AI arena is free today

Open Superagent

Qwen3.7-Plus vs Seed 2.1 Turbo

Qwen3.7-Plus and Seed 2.1 Turbo are closely matched at 42.7 and 43.2 on the LLM Stats Score.

Alibaba Cloud / Qwen Team · ByteDance · Updated for 2026

Which is better?

Qwen3.7-Plus and Seed 2.1 Turbo are closely matched on the overall LLM Stats Score at 42.7 and 43.2.

The models split the 20 individual benchmarks reported for both models evenly.

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

Choose Qwen3.7-Plus

  • you want predictable pricing at $0.32/M input and $1.28/M output

Choose Seed 2.1 Turbo

  • you want the most recent training data — it shipped Jun 2026

At a glance

The differences that matter most.

Qwen3.7-Plus
Alibaba Cloud / Qwen Team
Seed 2.1 Turbo
ByteDance
Core performance indexes
LLM Stats Score
42.7
#44
43.2
#41
Reasoning
43.2
#40
44.6
#33
Coding
30.9
#46
30.9
#47
Agents
24.5
#51
29.1
#37
Cost, coverage & limits
Benchmark wins
10 of 20
10 of 20
Input price
$0.32 / M
— / M
Output price
$1.28 / M
— / M
Context window
1,000,000
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

7 shared
Index
Qwen3.7-Plus
Seed 2.1 Turbo
Math
39.7#18
39.8#17
Vision
32.3#21
30.4#28
Tool use
23.2#41
21.7#50
Long context
26.6#9
29.8#6
Multimodal
35.2#12
33.5#15
2 more shared indexes
Finance
37.1#4
30.8#22
Legal
41.3#2
32.4#14
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

70 reported for Qwen3.7-Plus · 90 for Seed 2.1 Turbo

20 shared

Qwen3.7-Plus outperforms in 10 benchmarks (BabyVision, CharXiv-R, ClawEval-MM, OCRBench_V2, RealWorldQA, SimpleVQA, SuperGPQA, SWE-Bench Pro, TVBench, WorldVQA), while Seed 2.1 Turbo is better at 10 benchmarks (ERQA, Humanity's Last Exam, LVBench, MathVision, MCP Atlas, MMMU-Pro, NL2Repo, SciCode, Video-MME, VisFactor).

Both models are evenly matched across the benchmarks.

Thu Sep 10 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only Qwen3.7-Plus specifies input context (1,000,000 tokens). Only Qwen3.7-Plus specifies output context (65,536 tokens).

Alibaba Cloud / Qwen Team
Qwen3.7-Plus
Input1,000,000 tokens
Output65,536 tokens
ByteDance
Seed 2.1 Turbo
Input- tokens
Output- tokens
Thu Sep 10 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Qwen3.7-Plus and Seed 2.1 Turbo support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Qwen3.7-Plus

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.

Qwen3.7-Plus

Proprietary

Closed source

Seed 2.1 Turbo

Proprietary

Closed source

Release Timeline

When each model was launched

Qwen3.7-Plus was released on 2026-05-31, while Seed 2.1 Turbo was released on 2026-06-24.

Seed 2.1 Turbo is 1 month newer than Qwen3.7-Plus.

Qwen3.7-Plus

May 31, 2026

3 months ago

Seed 2.1 Turbo

Jun 24, 2026

2 months ago

3w newer

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 Qwen3.7-Plus and Seed 2.1 Turbo side-by-side, then vote on the output you prefer.

Qwen3.7-Plus
✓ Preferred
Seed 2.1 Turbo
Open in Playground

FAQ

Common questions about Qwen3.7-Plus vs Seed 2.1 Turbo.

Which is better, Qwen3.7-Plus or Seed 2.1 Turbo?

Qwen3.7-Plus and Seed 2.1 Turbo are closely matched on the LLM Stats Score at 42.7 and 43.2. Qwen3.7-Plus is made by Alibaba Cloud / Qwen Team 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 Qwen3.7-Plus compare to Seed 2.1 Turbo in benchmarks?

Qwen3.7-Plus scores IFEval: 94.6%, MMLU-Redux: 94.5%, HMMT Feb 26: 92.9%, MRCR v2: 91.7%, OmniDocBench 1.5: 91.4%. 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 context window sizes for Qwen3.7-Plus and Seed 2.1 Turbo?

Qwen3.7-Plus supports 1.0M tokens and Seed 2.1 Turbo supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Qwen3.7-Plus and Seed 2.1 Turbo?

Key differences include LLM Stats Score (42.7 vs 43.2). See the full comparison above for benchmark-by-benchmark results.

Who makes Qwen3.7-Plus and Seed 2.1 Turbo?

Qwen3.7-Plus is developed by Alibaba Cloud / Qwen Team and Seed 2.1 Turbo is developed by ByteDance.

Related comparisons