The AI arena is free today

Open Superagent

Qwen3.7 Max vs Seed 2.1 Pro

Qwen3.7 Max and Seed 2.1 Pro are closely matched at 45.4 and 46.4 on the LLM Stats Score.

Alibaba Cloud / Qwen Team · ByteDance · Updated for 2026

Which is better?

Qwen3.7 Max and Seed 2.1 Pro are closely matched on the overall LLM Stats Score at 45.4 and 46.4.

In the 7 individual benchmarks reported for both models, Qwen3.7 Max wins 4; 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 Qwen3.7 Max

  • you value its reported benchmark strengths — it wins 4 of 7 exact shared results

Choose Seed 2.1 Pro

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

At a glance

The differences that matter most.

Qwen3.7 Max
Alibaba Cloud / Qwen Team
Seed 2.1 Pro
ByteDance
Core performance indexes
LLM Stats Score
45.4
#28
46.4
#25
Reasoning
46.2
#25
47.2
#22
Coding
36.2
#20
33.7
#31
Agents
28.5
#35
31.3
#26
Cost, coverage & limits
Benchmark wins
4 of 7
3 of 7
Input price
$1.25 / M
— / M
Output price
$3.75 / M
— / M
Context window
1,000,000
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

5 shared
Index
Qwen3.7 Max
Seed 2.1 Pro
Math
43.0#3
39.1#20
Vision
25.1#44
34.2#12
Tool use
27.1#22
26.4#27
Finance
41.1#1
34.0#7
Legal
44.1#1
34.8#7
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

42 reported for Qwen3.7 Max · 94 for Seed 2.1 Pro

7 shared

Qwen3.7 Max outperforms in 4 benchmarks (MathArena Apex, NL2Repo, SuperGPQA, SWE-Bench Pro), while Seed 2.1 Pro is better at 3 benchmarks (Humanity's Last Exam, MCP Atlas, SciCode).

Qwen3.7 Max has a slight edge in benchmark performance.

Sun Sep 06 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 Max specifies input context (1,000,000 tokens). Only Qwen3.7 Max specifies output context (65,536 tokens).

Alibaba Cloud / Qwen Team
Qwen3.7 Max
Input1,000,000 tokens
Output65,536 tokens
ByteDance
Seed 2.1 Pro
Input- tokens
Output- tokens
Sun Sep 06 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Seed 2.1 Pro supports multimodal inputs, whereas Qwen3.7 Max does not.

Seed 2.1 Pro can handle both text and other forms of data like images, making it suitable for multimodal applications.

Qwen3.7 Max

Text
Images
Audio
Video

Seed 2.1 Pro

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 Max

Proprietary

Closed source

Seed 2.1 Pro

Proprietary

Closed source

Release Timeline

When each model was launched

Qwen3.7 Max was released on 2026-05-19, while Seed 2.1 Pro was released on 2026-06-24.

Seed 2.1 Pro is 1 month newer than Qwen3.7 Max.

Qwen3.7 Max

May 19, 2026

3 months ago

Seed 2.1 Pro

Jun 24, 2026

2 months ago

1mo 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 Max and Seed 2.1 Pro side-by-side, then vote on the output you prefer.

Qwen3.7 Max
✓ Preferred
Seed 2.1 Pro
Open in Playground

FAQ

Common questions about Qwen3.7 Max vs Seed 2.1 Pro.

Which is better, Qwen3.7 Max or Seed 2.1 Pro?

Qwen3.7 Max and Seed 2.1 Pro are closely matched on the LLM Stats Score at 45.4 and 46.4. Qwen3.7 Max is made by Alibaba Cloud / Qwen Team and Seed 2.1 Pro 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 Max compare to Seed 2.1 Pro in benchmarks?

Qwen3.7 Max scores HMMT Feb 26: 97.1%, Kernel Bench L3: 96.0%, MMLU-Redux: 95.0%, IFEval: 94.3%, GPQA: 92.4%. Seed 2.1 Pro scores CharXiv-D: 95.5%, MathVision: 94.5%, MathVista: 90.7%, MathVerse: 89.7%, Video-MME: 89.2%.

What are the context window sizes for Qwen3.7 Max and Seed 2.1 Pro?

Qwen3.7 Max supports 1.0M tokens and Seed 2.1 Pro 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 Max and Seed 2.1 Pro?

Key differences include LLM Stats Score (45.4 vs 46.4), multimodal support (no vs yes). See the full comparison above for benchmark-by-benchmark results.

Who makes Qwen3.7 Max and Seed 2.1 Pro?

Qwen3.7 Max is developed by Alibaba Cloud / Qwen Team and Seed 2.1 Pro is developed by ByteDance.

Related comparisons