Model Comparison

Grok-4 Heavy vs Qwen2 7B InstructWhich is better in 2026?

Grok-4 Heavy significantly outperforms across most benchmarks.

Verdict: Grok-4 Heavy vs Qwen2 7B Instruct — which is better?

Grok-4 Heavy (by xAI) and Qwen2 7B Instruct (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 2 benchmarks (GPQA, LiveCodeBench), while Qwen2 7B Instruct 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 2 of 2 shared benchmarks

Choose Qwen2 7B Instruct if…

  • you need open weights you can self-host or fine-tune

Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

Grok-4 Heavy outperforms in 2 benchmarks (GPQA, LiveCodeBench), while Qwen2 7B Instruct is better at 0 benchmarks.

Grok-4 Heavy significantly outperforms across most benchmarks.

Fri Jun 26 2026 • llm-stats.com

Arena Performance

Human preference votes

Input Capabilities

Supported data types and modalities

Grok-4 Heavy supports multimodal inputs, whereas Qwen2 7B Instruct 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

Text
Images
Audio
Video

Qwen2 7B Instruct

Text
Images
Audio
Video

License

Usage and distribution terms

Grok-4 Heavy is licensed under a proprietary license, while Qwen2 7B Instruct uses Apache 2.0.

License differences may affect how you can use these models in commercial or open-source projects.

Grok-4 Heavy

Proprietary

Closed source

Qwen2 7B Instruct

Apache 2.0

Open weights

Release Timeline

When each model was launched

Qwen2 7B Instruct was released on 2024-07-23, while Grok-4 Heavy's release date is not specified.

We can confirm Qwen2 7B Instruct's release timeline, but cannot make a direct age comparison without Grok-4 Heavy's release date.

Grok-4 Heavy

Qwen2 7B Instruct

Jul 23, 2024

1.9 years ago

Knowledge Cutoff

When training data ends

Grok-4 Heavy has a documented knowledge cutoff of 2024-12-31, while Qwen2 7B Instruct'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 Qwen2 7B Instruct's cutoff date.

Grok-4 Heavy

Dec 2024

Qwen2 7B Instruct

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Key Takeaways

Supports multimodal inputs
Higher GPQA score (88.4% vs 25.3%)
Higher LiveCodeBench score (79.4% vs 26.6%)
Alibaba Cloud / Qwen Team

Qwen2 7B Instruct

View details

Alibaba Cloud / Qwen Team

Has open weights

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Grok-4 Heavy and Qwen2 7B Instruct side-by-side, then vote on the output you prefer.

Grok-4 Heavy
✓ Preferred
Qwen2 7B Instruct
Open in Playground
AI Model Comparison Table
Feature
xAI
Grok-4 Heavy
Alibaba Cloud / Qwen Team
Qwen2 7B Instruct

FAQ

Common questions about Grok-4 Heavy vs Qwen2 7B Instruct.

Which is better, Grok-4 Heavy or Qwen2 7B Instruct?

Grok-4 Heavy significantly outperforms across most benchmarks. Grok-4 Heavy is made by xAI and Qwen2 7B Instruct 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 Grok-4 Heavy compare to Qwen2 7B Instruct in benchmarks?

Grok-4 Heavy scores AIME 2025: 100.0%, HMMT25: 96.7%, GPQA: 88.4%, LiveCodeBench: 79.4%, USAMO25: 61.9%. Qwen2 7B Instruct scores MT-Bench: 84.1%, GSM8k: 82.3%, HumanEval: 79.9%, C-Eval: 77.2%, AlignBench: 72.1%.

What are the main differences between Grok-4 Heavy and Qwen2 7B Instruct?

Key differences include multimodal support (yes vs no), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok-4 Heavy and Qwen2 7B Instruct?

Grok-4 Heavy is developed by xAI and Qwen2 7B Instruct is developed by Alibaba Cloud / Qwen Team.