o1-minivsQwen3.8-27B

o1-mini
Qwen3.8-27B
Specifications
Parameters
27B
Context window
128k
262k
Benchmarks
Agentic coding
SWE-Bench Pro
61.7%
Agentic coding
DeepSWE 1.1
42.2%
Repo-level code generation
NL2Repo-Bench
42.3%
Software engineering
QwenSWEBench
79%
Competitive coding
LiveCodeBench
90.3%
Agentic terminal coding
Terminal-Bench 2.1
73%
Professional tool use
JobBench
33.4%
Long-horizon office work
CoWorkBench
70.7%
Multidisciplinary reasoning
Humanity's Last Exam · no tools
30.8%
Science
GPQA Diamond
60%
89.2%Best
Instruction following
IFBench
79.5%
Agentic computer use
Agent's Last Exam · pass@1
20.4%
Agentic computer use
Agent's Last Exam · score
42.9%
Overview
CompanyOpenAIQwen
Release dateSep 12 2024Aug 14 2026
AccessProprietaryOpen Weight

Which is better: o1-mini or Qwen3.8-27B?

Qwen3.8-27B leads o1-mini on 1 of the 1 benchmark they both report (GPQA Diamond). o1-mini shipped 701 days before Qwen3.8-27B, so benchmark comparisons should account for the intervening progress.

Context windows are 128k (o1-mini) vs 262k (Qwen3.8-27B). o1-mini is proprietary, while Qwen3.8-27B is open weight.

On GPQA Diamond, Qwen3.8-27B leads at 89.2% vs o1-mini at 60%.

Frequently asked questions

o1-mini was released by OpenAI on Sep 12 2024.

Qwen3.8-27B was released by Qwen on Aug 14 2026.

Qwen3.8-27B leads on GPQA Diamond — o1-mini 60% vs Qwen3.8-27B 89.2%.

o1-mini has a 128k context window; Qwen3.8-27B has 262k.

o1-mini is a proprietary model released by OpenAI. Qwen3.8-27B is an open weight model released by Qwen.

Other comparisons