Qwen3.8-27B vs Seed 2.1 Pro: Specs & Benchmark Comparison
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| Characteristic | Qwen3.8-27B | Seed 2.1 Pro |
|---|---|---|
| Company | Alibaba | ByteDance |
| Release Date | August 14, 2026 | June 24, 2026 |
| Parameters | 28B | — |
| Multimodal | Yes | Yes |
| Average Score | 0.7 | 0.6 |
| Benchmarks | ||
| Humanity's Last Exam | 0.3 | 0.6 |
| BabyVision | 0.9 | 0.7 |
| ERQA | 0.7 | 0.7 |
| ClawEval-MM | 0.6 | 0.5 |
| NL2Repo | 0.4 | 0.5 |
| SWE-Bench Pro | 0.6 | 0.6 |
| CharXiv-R | 0.9 | 0.9 |
| Terminal-Bench 2.1 | 0.7 | 0.7 |
| Agents' Last Exam | 0.4 | 0.4 |
| RealWorldQA | 0.9 | 0.9 |
| MathVision | 0.9 | 0.9 |
Visual Benchmark Comparison
Qwen3.8-27B
Seed 2.1 Pro
Humanity's Last Exam0.3 vs 0.6
0.3
0.6
BabyVision0.9 vs 0.7
0.9
0.7
ERQA0.7 vs 0.7
0.7
0.7
ClawEval-MM0.6 vs 0.5
0.6
0.5
NL2Repo0.4 vs 0.5
0.4
0.5
SWE-Bench Pro0.6 vs 0.6
0.6
0.6
CharXiv-R0.9 vs 0.9
0.9
0.9
Terminal-Bench 2.10.7 vs 0.7
0.7
0.7
Agents' Last Exam0.4 vs 0.4
0.4
0.4
RealWorldQA0.9 vs 0.9
0.9
0.9
MathVision0.9 vs 0.9
0.9
0.9
Verdict
Qwen3.8-27B leads in 1 out of 2 comparison categories.
Overall Performance
Both models show comparable average scores: Qwen3.8-27B — 0.7, Seed 2.1 Pro — 0.6.
Recency
Qwen3.8-27B is newer: released 8/14/2026 vs 6/24/2026.
More About These Models
Related Comparisons
Frequently Asked Questions
Which is better for coding — Qwen3.8-27B or Seed 2.1 Pro?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Qwen3.8-27B or Seed 2.1 Pro?
API pricing data is available on the individual model pages.
Which has a larger context window — Qwen3.8-27B or Seed 2.1 Pro?
Context window data is available on the individual model pages.
The Qwen3.8-27B and Seed 2.1 Pro comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Qwen3.8-27B or Seed 2.1 Pro page. See also the complete list of AI model comparisons.