GPT-5.2 vs Qwen3.8-Flash-Next
Qwen3.8-Flash-Next shows notably better performance in the majority of benchmarks.
OpenAI · Alibaba Cloud / Qwen Team · Updated for 2026
Which is better?
GPT-5.2 outperforms in 1 benchmarks (GPQA), while Qwen3.8-Flash-Next is better at 3 benchmarks (CharXiv-R, Humanity's Last Exam, Toolathlon). Qwen3.8-Flash-Next shows notably better performance in the majority of benchmarks.
Based on current benchmark, pricing, and model metadata for 2026.
Choose GPT-5.2
- you want predictable pricing at $1.75/M input and $14.00/M output
Choose Qwen3.8-Flash-Next
- you want the strongest raw capability — it leads on 3 of 4 shared benchmarks
- you want the most recent training data — it shipped Aug 2026
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Performance Benchmarks
Comparative analysis across standard metrics
GPT-5.2 outperforms in 1 benchmarks (GPQA), while Qwen3.8-Flash-Next is better at 3 benchmarks (CharXiv-R, Humanity's Last Exam, Toolathlon).
Qwen3.8-Flash-Next shows notably better performance in the majority of benchmarks.
Arena Performance
Playground indexes and blind preference scores
Context Window
Maximum input and output token capacity
Only GPT-5.2 specifies input context (400,000 tokens). Only GPT-5.2 specifies output context (128,000 tokens).
Input Capabilities
Supported data types and modalities
Both GPT-5.2 and Qwen3.8-Flash-Next support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
GPT-5.2
Qwen3.8-Flash-Next
License
Usage and distribution terms
GPT-5.2 is licensed under a proprietary license, while Qwen3.8-Flash-Next uses Qwen Community License 1.0.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Qwen Community License 1.0
Open weights
Release Timeline
When each model was launched
GPT-5.2 was released on 2025-12-11, while Qwen3.8-Flash-Next was released on 2026-08-26.
Qwen3.8-Flash-Next is 9 months newer than GPT-5.2.
Dec 11, 2025
8 months ago
Aug 26, 2026
0 days ago
8mo newerKnowledge Cutoff
When training data ends
GPT-5.2 has a documented knowledge cutoff of 2025-08-25, while Qwen3.8-Flash-Next's cutoff date is not specified.
We can confirm GPT-5.2's training data extends to 2025-08-25, but cannot make a direct comparison without Qwen3.8-Flash-Next's cutoff date.
Aug 2025
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Outputs Comparison
Judge for yourself.
Run your own prompts against GPT-5.2 and Qwen3.8-Flash-Next side-by-side, then vote on the output you prefer.
FAQ
Common questions about GPT-5.2 vs Qwen3.8-Flash-Next.