o1-previewvsQwen3.6

o1-preview
Qwen3.6
Specifications
Parameters
35B
Context window
128k
256k
Benchmarks
Agentic coding
SWE-Bench Pro
49.5%
Coding
SWE-Bench Verified
73.4%
Multilingual coding
SWE-Bench Multilingual
67.2%
Agentic terminal coding
Terminal-Bench 2.0
51.5%
Multidisciplinary reasoning
Humanity's Last Exam · no tools
21.4%
Science
GPQA Diamond
73.3%
86%Best
Chart reasoning
CharXiv Reasoning
78%
Multimodal reasoning
MMMU-Pro
75.3%
Multimodal
MMMU
81.7%
Overview
CompanyOpenAIQwen
Release dateSep 12 2024Apr 16 2026
AccessProprietaryOpen Weight

Which is better: o1-preview or Qwen3.6?

Qwen3.6 leads o1-preview on 1 of the 1 benchmark they both report (GPQA Diamond). o1-preview shipped 581 days before Qwen3.6, so benchmark comparisons should account for the intervening progress.

Context windows are 128k (o1-preview) vs 256k (Qwen3.6). o1-preview is proprietary, while Qwen3.6 is open weight.

On GPQA Diamond, Qwen3.6 leads at 86% vs o1-preview at 73.3%.

Frequently asked questions

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

Qwen3.6 was released by Qwen on Apr 16 2026.

Qwen3.6 leads on GPQA Diamond — o1-preview 73.3% vs Qwen3.6 86%.

o1-preview has a 128k context window; Qwen3.6 has 256k.

o1-preview is a proprietary model released by OpenAI. Qwen3.6 is an open weight model released by Qwen.

Other comparisons