Model Comparison
o3 vs Qwen3.8 MaxWhich is better in 2026?
Qwen3.8 Max significantly outperforms across most benchmarks.
Verdict: o3 vs Qwen3.8 Max — which is better?
o3 (by OpenAI) and Qwen3.8 Max (by Alibaba Cloud / Qwen Team) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.
o3 outperforms in 0 benchmarks, while Qwen3.8 Max is better at 4 benchmarks (ERQA, GPQA, Humanity's Last Exam, MMMU-Pro). Qwen3.8 Max significantly outperforms across most benchmarks.
Choose o3 if…
- you want predictable pricing at $2.00/M input and $8.00/M output
Choose Qwen3.8 Max if…
- you want the strongest raw capability — it leads on 4 of 4 shared benchmarks
- you want the most recent training data — it shipped Aug 2026
Performance Benchmarks
Comparative analysis across standard metrics
o3 outperforms in 0 benchmarks, while Qwen3.8 Max is better at 4 benchmarks (ERQA, GPQA, Humanity's Last Exam, MMMU-Pro).
Qwen3.8 Max significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Context Window
Maximum input and output token capacity
Only o3 specifies input context (200,000 tokens). Only o3 specifies output context (100,000 tokens).
Input Capabilities
Supported data types and modalities
Both o3 and Qwen3.8 Max support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
o3
Qwen3.8 Max
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
o3 was released on 2025-04-16, while Qwen3.8 Max was released on 2026-08-02.
Qwen3.8 Max is 16 months newer than o3.
Apr 16, 2025
1.3 years ago
Aug 2, 2026
2 days ago
1.3yr newerKnowledge Cutoff
When training data ends
o3 has a documented knowledge cutoff of 2024-05-31, while Qwen3.8 Max's cutoff date is not specified.
We can confirm o3's training data extends to 2024-05-31, but cannot make a direct comparison without Qwen3.8 Max's cutoff date.
May 2024
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Outputs Comparison
Key Takeaways
o3
View detailsOpenAI
Qwen3.8 Max
View detailsAlibaba Cloud / Qwen Team
o3
Qwen3.8 MaxDetailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against o3 and Qwen3.8 Max side-by-side, then vote on the output you prefer.
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FAQ
Common questions about o3 vs Qwen3.8 Max.