Model Comparison
Grok-4 vs Qwen3.8 MaxWhich is better in 2026?
Qwen3.8 Max significantly outperforms across most benchmarks.
Verdict: Grok-4 vs Qwen3.8 Max — which is better?
Grok-4 (by xAI) 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.
Grok-4 outperforms in 0 benchmarks, while Qwen3.8 Max is better at 2 benchmarks (GPQA, Humanity's Last Exam). Qwen3.8 Max significantly outperforms across most benchmarks.
Choose Grok-4 if…
- you want predictable pricing at $3.00/M input and $15.00/M output
Choose Qwen3.8 Max if…
- you want the strongest raw capability — it leads on 2 of 2 shared benchmarks
- you want the most recent training data — it shipped Aug 2026
Performance Benchmarks
Comparative analysis across standard metrics
Grok-4 outperforms in 0 benchmarks, while Qwen3.8 Max is better at 2 benchmarks (GPQA, Humanity's Last Exam).
Qwen3.8 Max significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Context Window
Maximum input and output token capacity
Only Grok-4 specifies input context (256,000 tokens). Only Grok-4 specifies output context (8,000 tokens).
Input Capabilities
Supported data types and modalities
Both Grok-4 and Qwen3.8 Max support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Grok-4
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
Grok-4 was released on 2025-07-09, while Qwen3.8 Max was released on 2026-08-02.
Qwen3.8 Max is 13 months newer than Grok-4.
Jul 9, 2025
1.1 years ago
Aug 2, 2026
1 days ago
1.1yr newerKnowledge Cutoff
When training data ends
Grok-4 has a documented knowledge cutoff of 2024-12-31, while Qwen3.8 Max's cutoff date is not specified.
We can confirm Grok-4's training data extends to 2024-12-31, but cannot make a direct comparison without Qwen3.8 Max's cutoff date.
Dec 2024
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Outputs Comparison
Key Takeaways
Qwen3.8 Max
View detailsAlibaba Cloud / Qwen Team
Grok-4
Qwen3.8 MaxDetailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against Grok-4 and Qwen3.8 Max side-by-side, then vote on the output you prefer.
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FAQ
Common questions about Grok-4 vs Qwen3.8 Max.