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GPT-5.2 Pro vs Qwen3.8-Flash-Next

GPT-5.2 Pro and Qwen3.8-Flash-Next are closely matched at 42.8 and 48.3 on the LLM Stats Score.

OpenAI · Alibaba Cloud / Qwen Team · Updated for 2026

Which is better?

GPT-5.2 Pro and Qwen3.8-Flash-Next are closely matched on the overall LLM Stats Score at 42.8 and 48.3.

In the 2 individual benchmarks reported for both models, GPT-5.2 Pro wins 2; this is a narrower head-to-head signal than the composite indexes.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose GPT-5.2 Pro

  • you value its reported benchmark strengths — it wins 2 of 2 exact shared results

Choose Qwen3.8-Flash-Next

  • 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.

Core performance indexes
42.8
#53
48.3
#27
41.4
#57
48.4
#20
17.8
#85
33.2
#29
Cost, coverage & limits
Benchmark wins
2 of 2
0 of 2
Input price
$21.00 / M
— / M
Output price
$168.00 / M
— / M
Context window
400,000
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
GPT-5.2 Pro
Qwen3.8-Flash-Next
38.5#25
32.7#60
23.7#60
33.7#17
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

7 reported for GPT-5.2 Pro · 22 for Qwen3.8-Flash-Next

2 shared

GPT-5.2 Pro outperforms in 2 benchmarks (GPQA, Humanity's Last Exam), while Qwen3.8-Flash-Next is better at 0 benchmarks.

GPT-5.2 Pro significantly outperforms across most benchmarks.

Mon Oct 12 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only GPT-5.2 Pro specifies input context (400,000 tokens). Only GPT-5.2 Pro specifies output context (128,000 tokens).

OpenAI
GPT-5.2 Pro
Input400,000 tokens
Output128,000 tokens
Alibaba Cloud / Qwen Team
Qwen3.8-Flash-Next
Input- tokens
Output- tokens
Mon Oct 12 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both GPT-5.2 Pro 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 Pro

Text
Images
Audio
Video

Qwen3.8-Flash-Next

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-5.2 Pro 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.

GPT-5.2 Pro

Proprietary

Closed source

Qwen3.8-Flash-Next

Qwen Community License 1.0

Open weights

Release Timeline

When each model was launched

GPT-5.2 Pro 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 Pro.

GPT-5.2 Pro

Dec 11, 2025

10 months ago

Qwen3.8-Flash-Next

Aug 26, 2026

1 months ago

8mo 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?

Judge for yourself.

Run your own prompts against GPT-5.2 Pro and Qwen3.8-Flash-Next side-by-side, then vote on the output you prefer.

GPT-5.2 Pro
✓ Preferred
Qwen3.8-Flash-Next
Open in Playground

FAQ

Common questions about GPT-5.2 Pro vs Qwen3.8-Flash-Next.

Which is better, GPT-5.2 Pro or Qwen3.8-Flash-Next?

GPT-5.2 Pro and Qwen3.8-Flash-Next are closely matched on the LLM Stats Score at 42.8 and 48.3. GPT-5.2 Pro is made by OpenAI and Qwen3.8-Flash-Next is made by Alibaba Cloud / Qwen Team. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does GPT-5.2 Pro compare to Qwen3.8-Flash-Next in benchmarks?

GPT-5.2 Pro scores AIME 2025: 100.0%, HMMT 2025: 100.0%, GPQA: 93.2%, ARC-AGI: 90.5%, BrowseComp: 77.9%. Qwen3.8-Flash-Next scores MathVision: 95.7%, LiveCodeBench v6: 91.9%, GPQA: 91.7%, CharXiv-R: 90.6%, RealWorldQA: 88.5%.

What are the context window sizes for GPT-5.2 Pro and Qwen3.8-Flash-Next?

GPT-5.2 Pro supports 400K tokens and Qwen3.8-Flash-Next supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GPT-5.2 Pro and Qwen3.8-Flash-Next?

Key differences include LLM Stats Score (42.8 vs 48.3), licensing (Proprietary vs Qwen Community License 1.0). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-5.2 Pro and Qwen3.8-Flash-Next?

GPT-5.2 Pro is developed by OpenAI and Qwen3.8-Flash-Next is developed by Alibaba Cloud / Qwen Team.