o1-pro vs Qwen3.8-27B
Qwen3.8-27B significantly outperforms across most benchmarks.
OpenAI · Alibaba Cloud / Qwen Team · Updated for 2026
Which is better?
o1-pro outperforms in 0 benchmarks, while Qwen3.8-27B is better at 1 benchmark (GPQA). Qwen3.8-27B significantly outperforms across most benchmarks.
Based on current benchmark, pricing, and model metadata for 2026.
Choose o1-pro
- you are already invested in the OpenAI ecosystem
Choose Qwen3.8-27B
- you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
- you want the most recent training data — it shipped Aug 2026
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Performance Benchmarks
Comparative analysis across standard metrics
o1-pro outperforms in 0 benchmarks, while Qwen3.8-27B is better at 1 benchmark (GPQA).
Qwen3.8-27B significantly outperforms across most benchmarks.
Arena Performance
Playground indexes and blind preference scores
Input Capabilities
Supported data types and modalities
Both o1-pro and Qwen3.8-27B support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
o1-pro
Qwen3.8-27B
License
Usage and distribution terms
o1-pro is licensed under a proprietary license, while Qwen3.8-27B uses Apache 2.0.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Apache 2.0
Open weights
Release Timeline
When each model was launched
o1-pro was released on 2024-12-17, while Qwen3.8-27B was released on 2026-08-14.
Qwen3.8-27B is 20 months newer than o1-pro.
Dec 17, 2024
1.7 years ago
Aug 14, 2026
1 weeks ago
1.7yr newerKnowledge Cutoff
When training data ends
o1-pro has a documented knowledge cutoff of 2023-09-30, while Qwen3.8-27B's cutoff date is not specified.
We can confirm o1-pro's training data extends to 2023-09-30, but cannot make a direct comparison without Qwen3.8-27B's cutoff date.
Sep 2023
—
Outputs Comparison
Judge for yourself.
Run your own prompts against o1-pro and Qwen3.8-27B side-by-side, then vote on the output you prefer.
FAQ
Common questions about o1-pro vs Qwen3.8-27B.