GPT-4o vs Qwen3.5-27B Comparison

Comparing GPT-4o and Qwen3.5-27B across benchmarks, pricing, and capabilities.

Performance Benchmarks

Comparative analysis across standard metrics

12 benchmarks

GPT-4o outperforms in 1 benchmarks (AI2D), while Qwen3.5-27B is better at 11 benchmarks (CharXiv-R, ERQA, GPQA, Humanity's Last Exam, IFEval, MMLU-Pro, MMMLU, MMMU, MMMU-Pro, SWE-Bench Verified, VideoMMMU).

Qwen3.5-27B significantly outperforms across most benchmarks.

Sat Mar 14 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Cost data unavailable.

Lowest available price from all providers
Sat Mar 14 2026 • llm-stats.com
OpenAI
GPT-4o
Input tokens$2.50
Output tokens$10.00
Best providerAzure
Alibaba Cloud / Qwen Team
Qwen3.5-27B
Input tokens$0.00
Output tokens$0.00
Best providerUnknown Organization
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

Only GPT-4o specifies input context (128,000 tokens). Only GPT-4o specifies output context (16,384 tokens).

OpenAI
GPT-4o
Input128,000 tokens
Output16,384 tokens
Alibaba Cloud / Qwen Team
Qwen3.5-27B
Input- tokens
Output- tokens
Sat Mar 14 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both GPT-4o and Qwen3.5-27B support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

GPT-4o

Text
Images
Audio
Video

Qwen3.5-27B

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-4o is licensed under a proprietary license, while Qwen3.5-27B uses Apache 2.0.

License differences may affect how you can use these models in commercial or open-source projects.

GPT-4o

Proprietary

Closed source

Qwen3.5-27B

Apache 2.0

Open weights

Release Timeline

When each model was launched

GPT-4o was released on 2024-08-06, while Qwen3.5-27B was released on 2026-02-24.

Qwen3.5-27B is 19 months newer than GPT-4o.

GPT-4o

Aug 6, 2024

1.6 years ago

Qwen3.5-27B

Feb 24, 2026

2 weeks ago

1.6yr newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Key Takeaways

Larger context window (128,000 tokens)
Higher AI2D score (94.2% vs 92.9%)
Alibaba Cloud / Qwen Team

Qwen3.5-27B

View details

Alibaba Cloud / Qwen Team

Has open weights
Higher CharXiv-R score (79.5% vs 58.8%)
Higher ERQA score (60.5% vs 35.2%)
Higher GPQA score (85.5% vs 70.1%)
Higher Humanity's Last Exam score (48.5% vs 5.3%)
Higher IFEval score (95.0% vs 81.0%)
Higher MMLU-Pro score (86.1% vs 74.7%)
Higher MMMLU score (85.9% vs 81.4%)
Higher MMMU score (82.3% vs 72.2%)
Higher MMMU-Pro score (75.0% vs 59.9%)
Higher SWE-Bench Verified score (72.4% vs 33.2%)
Higher VideoMMMU score (82.3% vs 61.2%)

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-4o
Alibaba Cloud / Qwen Team
Qwen3.5-27B