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o4-mini vs Qwen3.8-Flash-Next

Qwen3.8-Flash-Next significantly outperforms across most benchmarks.

OpenAI · Alibaba Cloud / Qwen Team · Updated for 2026

Which is better?

o4-mini outperforms in 0 benchmarks, while Qwen3.8-Flash-Next is better at 3 benchmarks (CharXiv-R, GPQA, Humanity's Last Exam). Qwen3.8-Flash-Next significantly outperforms across most benchmarks.

Based on current benchmark, pricing, and model metadata for 2026.

Choose o4-mini

  • you want predictable pricing at $1.10/M input and $4.40/M output

Choose Qwen3.8-Flash-Next

  • you want the strongest raw capability — it leads on 3 of 3 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.

Benchmark wins
0 of 3
3 of 3
Input price
$1.10 / M
— / M
Output price
$4.40 / M
— / M
Context window
200,000
Released
Apr 2025
Aug 2026
License
Proprietary
Qwen Community License 1.0

Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

o4-mini outperforms in 0 benchmarks, while Qwen3.8-Flash-Next is better at 3 benchmarks (CharXiv-R, GPQA, Humanity's Last Exam).

Qwen3.8-Flash-Next significantly outperforms across most benchmarks.

Thu Aug 27 2026 • llm-stats.com

Arena Performance

Playground indexes and blind preference scores

Context Window

Maximum input and output token capacity

Only o4-mini specifies input context (200,000 tokens). Only o4-mini specifies output context (100,000 tokens).

OpenAI
o4-mini
Input200,000 tokens
Output100,000 tokens
Alibaba Cloud / Qwen Team
Qwen3.8-Flash-Next
Input- tokens
Output- tokens
Thu Aug 27 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both o4-mini and Qwen3.8-Flash-Next support multimodal inputs.

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

o4-mini

Text
Images
Audio
Video

Qwen3.8-Flash-Next

Text
Images
Audio
Video

License

Usage and distribution terms

o4-mini 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.

o4-mini

Proprietary

Closed source

Qwen3.8-Flash-Next

Qwen Community License 1.0

Open weights

Release Timeline

When each model was launched

o4-mini was released on 2025-04-16, while Qwen3.8-Flash-Next was released on 2026-08-26.

Qwen3.8-Flash-Next is 17 months newer than o4-mini.

o4-mini

Apr 16, 2025

1.4 years ago

Qwen3.8-Flash-Next

Aug 26, 2026

0 days ago

1.4yr newer

Knowledge Cutoff

When training data ends

o4-mini has a documented knowledge cutoff of 2024-05-31, while Qwen3.8-Flash-Next's cutoff date is not specified.

We can confirm o4-mini's training data extends to 2024-05-31, but cannot make a direct comparison without Qwen3.8-Flash-Next's cutoff date.

o4-mini

May 2024

Qwen3.8-Flash-Next

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against o4-mini and Qwen3.8-Flash-Next side-by-side, then vote on the output you prefer.

o4-mini
✓ Preferred
Qwen3.8-Flash-Next
Open in Playground

FAQ

Common questions about o4-mini vs Qwen3.8-Flash-Next.

Which is better, o4-mini or Qwen3.8-Flash-Next?

Qwen3.8-Flash-Next significantly outperforms across most benchmarks. o4-mini 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 benchmark scores, pricing, and capabilities above.

How does o4-mini compare to Qwen3.8-Flash-Next in benchmarks?

o4-mini scores AIME 2024: 93.4%, AIME 2025: 92.7%, MathVista: 84.3%, MMMU: 81.6%, GPQA: 81.4%. 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 o4-mini and Qwen3.8-Flash-Next?

o4-mini supports 200K 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 o4-mini and Qwen3.8-Flash-Next?

Key differences include licensing (Proprietary vs Qwen Community License 1.0). See the full comparison above for benchmark-by-benchmark results.

Who makes o4-mini and Qwen3.8-Flash-Next?

o4-mini is developed by OpenAI and Qwen3.8-Flash-Next is developed by Alibaba Cloud / Qwen Team.