GPT-5.6-CybervsQwen3.8-27B

GPT-5.6-Cyber
Qwen3.8-27B
Specifications
Parameters
27B
Context window
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
89.2%
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 dateAug 10 2026Aug 14 2026
AccessProprietaryOpen Weight

Which is better: GPT-5.6-Cyber or Qwen3.8-27B?

GPT-5.6-Cyber and Qwen3.8-27B don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GPT-5.6-Cyber shipped 4 days before Qwen3.8-27B, so benchmark comparisons should account for the intervening progress.

GPT-5.6-Cyber is proprietary, while Qwen3.8-27B is open weight.

Direct benchmark comparisons are unavailable — GPT-5.6-Cyber and Qwen3.8-27B don't publish scores on any of the same benchmarks.

Frequently asked questions

GPT-5.6-Cyber was released by OpenAI on Aug 10 2026.

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

GPT-5.6-Cyber is a proprietary model released by OpenAI. Qwen3.8-27B is an open weight model released by Qwen.

Other comparisons