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Qwen3.8-27B vs Seed 2.1 Turbo

Qwen3.8-27B and Seed 2.1 Turbo are closely matched at 46.1 and 44.0 on the LLM Stats Score.

Alibaba Cloud / Qwen Team · ByteDance · Updated for 2026

Which is better?

Qwen3.8-27B and Seed 2.1 Turbo are closely matched on the overall LLM Stats Score at 46.1 and 44.0.

In the 10 individual benchmarks reported for both models, Qwen3.8-27B wins 6; 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 Qwen3.8-27B

  • you value its reported benchmark strengths — it wins 6 of 10 exact shared results
  • you want the most recent training data — it shipped Aug 2026
  • you need open weights you can self-host or fine-tune

Choose Seed 2.1 Turbo

  • you are already invested in the ByteDance ecosystem

At a glance

The differences that matter most.

Qwen3.8-27B
Alibaba Cloud / Qwen Team
Seed 2.1 Turbo
ByteDance
Core performance indexes
LLM Stats Score
46.1
#24
44.0
#31
Reasoning
45.6
#24
45.4
#27
Coding
34.5
#29
33.2
#36
Agents
32.9
#24
30.4
#28
Cost, coverage & limits
Benchmark wins
6 of 10
4 of 10
Input price
— / M
— / M
Output price
— / M
— / M
Context window
—
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

4 shared
Index
Qwen3.8-27B
Seed 2.1 Turbo
Math
31.5#59
39.4#19
Vision
34.1#15
30.6#25
Tool use
25.0#30
23.0#41
Multimodal
37.7#4
32.8#16
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

26 reported for Qwen3.8-27B · 90 for Seed 2.1 Turbo

10 shared

Qwen3.8-27B outperforms in 6 benchmarks (BabyVision, CharXiv-R, ClawEval-MM, MathVision, SWE-Bench Pro, Terminal-Bench 2.1), while Seed 2.1 Turbo is better at 4 benchmarks (ERQA, Humanity's Last Exam, NL2Repo, RealWorldQA).

Qwen3.8-27B has a slight edge in benchmark performance.

Fri Aug 28 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Input capabilities

Documented input modalities across available providers

Both Qwen3.8-27B and Seed 2.1 Turbo support multimodal inputs.

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

Qwen3.8-27B

Text
Images
Audio
Video

Seed 2.1 Turbo

Text
Images
Audio
Video

License

Usage and distribution terms

Qwen3.8-27B is licensed under Apache 2.0, while Seed 2.1 Turbo uses a proprietary license.

License differences may affect how you can use these models in commercial or open-source projects.

Qwen3.8-27B

Apache 2.0

Open weights

Seed 2.1 Turbo

Proprietary

Closed source

Release Timeline

When each model was launched

Qwen3.8-27B was released on 2026-08-14, while Seed 2.1 Turbo was released on 2026-06-24.

Qwen3.8-27B is 2 months newer than Seed 2.1 Turbo.

Qwen3.8-27B

Aug 14, 2026

2 weeks ago

1mo newer
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 Qwen3.8-27B and Seed 2.1 Turbo side-by-side, then vote on the output you prefer.

Qwen3.8-27B
✓ Preferred
Seed 2.1 Turbo
Open in Playground

FAQ

Common questions about Qwen3.8-27B vs Seed 2.1 Turbo.

Which is better, Qwen3.8-27B or Seed 2.1 Turbo?

Qwen3.8-27B and Seed 2.1 Turbo are closely matched on the LLM Stats Score at 46.1 and 44.0. Qwen3.8-27B 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 Qwen3.8-27B compare to Seed 2.1 Turbo in benchmarks?

Qwen3.8-27B scores MathVision: 94.6%, OmniDocBench 1.5: 91.1%, LiveCodeBench v6: 90.3%, CharXiv-R: 90.2%, GPQA: 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 Qwen3.8-27B and Seed 2.1 Turbo?

Key differences include LLM Stats Score (46.1 vs 44.0), licensing (Apache 2.0 vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Qwen3.8-27B and Seed 2.1 Turbo?

Qwen3.8-27B is developed by Alibaba Cloud / Qwen Team and Seed 2.1 Turbo is developed by ByteDance.

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