Model Comparison

Grok-4 vs Qwen2.5 14B InstructWhich is better in 2026?

Grok-4 significantly outperforms across most benchmarks.

Verdict: Grok-4 vs Qwen2.5 14B Instruct — which is better?

Grok-4 (by xAI) and Qwen2.5 14B 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 outperforms in 1 benchmarks (GPQA), while Qwen2.5 14B Instruct is better at 0 benchmarks. Grok-4 significantly outperforms across most benchmarks.

Choose Grok-4 if…

  • you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
  • you want the most recent training data — it shipped Jul 2025

Choose Qwen2.5 14B Instruct if…

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

Comparative analysis across standard metrics

1 benchmarks

Grok-4 outperforms in 1 benchmarks (GPQA), while Qwen2.5 14B Instruct is better at 0 benchmarks.

Grok-4 significantly outperforms across most benchmarks.

Wed Jun 24 2026 • llm-stats.com

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).

xAI
Grok-4
Input256,000 tokens
Output8,000 tokens
Alibaba Cloud / Qwen Team
Qwen2.5 14B Instruct
Input- tokens
Output- tokens
Wed Jun 24 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Grok-4 supports multimodal inputs, whereas Qwen2.5 14B Instruct does not.

Grok-4 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Grok-4

Text
Images
Audio
Video

Qwen2.5 14B Instruct

Text
Images
Audio
Video

License

Usage and distribution terms

Grok-4 is licensed under a proprietary license, while Qwen2.5 14B Instruct uses Apache 2.0.

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

Grok-4

Proprietary

Closed source

Qwen2.5 14B Instruct

Apache 2.0

Open weights

Release Timeline

When each model was launched

Grok-4 was released on 2025-07-09, while Qwen2.5 14B Instruct was released on 2024-09-19.

Grok-4 is 10 months newer than Qwen2.5 14B Instruct.

Grok-4

Jul 9, 2025

11 months ago

9mo newer
Qwen2.5 14B Instruct

Sep 19, 2024

1.8 years ago

Knowledge Cutoff

When training data ends

Grok-4 has a documented knowledge cutoff of 2024-12-31, while Qwen2.5 14B Instruct'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 Qwen2.5 14B Instruct's cutoff date.

Grok-4

Dec 2024

Qwen2.5 14B Instruct

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Outputs Comparison

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Key Takeaways

xAI
Larger context window (256,000 tokens)
Supports multimodal inputs
Higher GPQA score (87.5% vs 45.5%)
Alibaba Cloud / Qwen Team

Qwen2.5 14B Instruct

View details

Alibaba Cloud / Qwen Team

Has open weights
xAIGrok-4
Alibaba Cloud / Qwen TeamQwen2.5 14B Instruct
Compare in Playground

Detailed Comparison

AI Model Comparison Table
Feature
xAI
Grok-4
Alibaba Cloud / Qwen Team
Qwen2.5 14B Instruct

FAQ

Common questions about Grok-4 vs Qwen2.5 14B Instruct.

Which is better, Grok-4 or Qwen2.5 14B Instruct?

Grok-4 significantly outperforms across most benchmarks. Grok-4 is made by xAI and Qwen2.5 14B 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 compare to Qwen2.5 14B Instruct in benchmarks?

Grok-4 scores AIME 2025: 91.7%, HMMT25: 90.0%, GPQA: 87.5%, LiveCodeBench: 79.0%, Humanity's Last Exam: 40.0%. Qwen2.5 14B Instruct scores GSM8k: 94.8%, HumanEval: 83.5%, MBPP: 82.0%, MATH: 80.0%, MMLU-Redux: 80.0%.

What are the context window sizes for Grok-4 and Qwen2.5 14B Instruct?

Grok-4 supports 256K tokens and Qwen2.5 14B Instruct 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 Grok-4 and Qwen2.5 14B 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 and Qwen2.5 14B Instruct?

Grok-4 is developed by xAI and Qwen2.5 14B Instruct is developed by Alibaba Cloud / Qwen Team.

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