GPT-4 TurbovsQwen3.5

GPT-4 Turbo
Qwen3.5
Specifications
Parameters
397B
Context window
128k
1M
Benchmarks
Coding
SWE-Bench Verified
76.4%
Multilingual coding
SWE-Bench Multilingual
69.3%
Agentic terminal coding
Terminal-Bench 2.0
52.5%
Web browsing
BrowseComp
69%
Multidisciplinary reasoning
Humanity's Last Exam · no tools
28.7%
Science
GPQA Diamond
42.5%
88.4%Best
Agentic computer use
OSWorld-Verified
62.2%
Chart reasoning
CharXiv Reasoning
80.8%
Multimodal reasoning
MMMU-Pro
79%
Multimodal
MMMU
85%
Overview
CompanyOpenAIQwen
Release dateNov 6 2023Feb 16 2026
AccessProprietaryOpen Weight

Which is better: GPT-4 Turbo or Qwen3.5?

Qwen3.5 leads GPT-4 Turbo on 1 of the 1 benchmark they both report (GPQA Diamond). GPT-4 Turbo shipped 833 days before Qwen3.5, so benchmark comparisons should account for the intervening progress.

Context windows are 128k (GPT-4 Turbo) vs 1M (Qwen3.5). GPT-4 Turbo is proprietary, while Qwen3.5 is open weight.

On GPQA Diamond, Qwen3.5 leads at 88.4% vs GPT-4 Turbo at 42.5%.

Frequently asked questions

GPT-4 Turbo was released by OpenAI on Nov 6 2023.

Qwen3.5 was released by Qwen on Feb 16 2026.

Qwen3.5 leads on GPQA Diamond — GPT-4 Turbo 42.5% vs Qwen3.5 88.4%.

GPT-4 Turbo has a 128k context window; Qwen3.5 has 1M.

GPT-4 Turbo is a proprietary model released by OpenAI. Qwen3.5 is an open weight model released by Qwen.

Other comparisons