Model Comparison
Grok-4 Heavy vs Qwen3-235B-A22B-Instruct-2507Which is better in 2026?
Grok-4 Heavy significantly outperforms across most benchmarks.
Verdict: Grok-4 Heavy vs Qwen3-235B-A22B-Instruct-2507 — which is better?
Grok-4 Heavy (by xAI) and Qwen3-235B-A22B-Instruct-2507 (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 Heavy outperforms in 3 benchmarks (AIME 2025, GPQA, HMMT25), while Qwen3-235B-A22B-Instruct-2507 is better at 0 benchmarks. Grok-4 Heavy significantly outperforms across most benchmarks.
Choose Grok-4 Heavy if…
- you want the strongest raw capability — it leads on 3 of 3 shared benchmarks
Choose Qwen3-235B-A22B-Instruct-2507 if…
- you need open weights you can self-host or fine-tune
Performance Benchmarks
Comparative analysis across standard metrics
Grok-4 Heavy outperforms in 3 benchmarks (AIME 2025, GPQA, HMMT25), while Qwen3-235B-A22B-Instruct-2507 is better at 0 benchmarks.
Grok-4 Heavy significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Context Window
Maximum input and output token capacity
Only Qwen3-235B-A22B-Instruct-2507 specifies input context (262,144 tokens). Only Qwen3-235B-A22B-Instruct-2507 specifies output context (131,072 tokens).
Input Capabilities
Supported data types and modalities
Grok-4 Heavy supports multimodal inputs, whereas Qwen3-235B-A22B-Instruct-2507 does not.
Grok-4 Heavy can handle both text and other forms of data like images, making it suitable for multimodal applications.
Grok-4 Heavy
Qwen3-235B-A22B-Instruct-2507
License
Usage and distribution terms
Grok-4 Heavy is licensed under a proprietary license, while Qwen3-235B-A22B-Instruct-2507 uses Apache 2.0.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Apache 2.0
Open weights
Release Timeline
When each model was launched
Qwen3-235B-A22B-Instruct-2507 was released on 2025-07-22, while Grok-4 Heavy's release date is not specified.
We can confirm Qwen3-235B-A22B-Instruct-2507's release timeline, but cannot make a direct age comparison without Grok-4 Heavy's release date.
—
Jul 22, 2025
10 months ago
Knowledge Cutoff
When training data ends
Grok-4 Heavy has a documented knowledge cutoff of 2024-12-31, while Qwen3-235B-A22B-Instruct-2507's cutoff date is not specified.
We can confirm Grok-4 Heavy's training data extends to 2024-12-31, but cannot make a direct comparison without Qwen3-235B-A22B-Instruct-2507's cutoff date.
Dec 2024
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Outputs Comparison
Key Takeaways
Qwen3-235B-A22B-Instruct-2507
View detailsAlibaba Cloud / Qwen Team
Detailed Comparison
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FAQ
Common questions about Grok-4 Heavy vs Qwen3-235B-A22B-Instruct-2507.