Grok-1.5 vs Qwen2.5 72B Instruct Comparison

Comparing Grok-1.5 and Qwen2.5 72B Instruct across benchmarks, pricing, and capabilities.

Performance Benchmarks

Comparative analysis across standard metrics

5 benchmarks

Grok-1.5 outperforms in 0 benchmarks, while Qwen2.5 72B Instruct is better at 5 benchmarks (GPQA, GSM8k, HumanEval, MATH, MMLU-Pro).

Qwen2.5 72B Instruct significantly outperforms across most benchmarks.

Mon Mar 16 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Cost data unavailable.

Lowest available price from all providers
Mon Mar 16 2026 • llm-stats.com
xAI
Grok-1.5
Input tokens$0.00
Output tokens$0.00
Best providerUnknown Organization
Alibaba Cloud / Qwen Team
Qwen2.5 72B Instruct
Input tokens$0.35
Output tokens$0.40
Best providerDeepinfra
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Context Window

Maximum input and output token capacity

Only Qwen2.5 72B Instruct specifies input context (131,072 tokens). Only Qwen2.5 72B Instruct specifies output context (8,192 tokens).

xAI
Grok-1.5
Input- tokens
Output- tokens
Alibaba Cloud / Qwen Team
Qwen2.5 72B Instruct
Input131,072 tokens
Output8,192 tokens
Mon Mar 16 2026 • llm-stats.com

License

Usage and distribution terms

Grok-1.5 is licensed under a proprietary license, while Qwen2.5 72B Instruct uses Qwen.

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

Grok-1.5

Proprietary

Closed source

Qwen2.5 72B Instruct

Qwen

Open weights

Release Timeline

When each model was launched

Grok-1.5 was released on 2024-03-28, while Qwen2.5 72B Instruct was released on 2024-09-19.

Qwen2.5 72B Instruct is 6 months newer than Grok-1.5.

Grok-1.5

Mar 28, 2024

2.0 years ago

Qwen2.5 72B Instruct

Sep 19, 2024

1.5 years ago

5mo newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

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Key Takeaways

Alibaba Cloud / Qwen Team

Qwen2.5 72B Instruct

View details

Alibaba Cloud / Qwen Team

Larger context window (131,072 tokens)
Has open weights
Higher GPQA score (49.0% vs 35.9%)
Higher GSM8k score (95.8% vs 90.0%)
Higher HumanEval score (86.6% vs 74.1%)
Higher MATH score (83.1% vs 50.6%)
Higher MMLU-Pro score (71.1% vs 51.0%)

Detailed Comparison

AI Model Comparison Table
Feature
xAI
Grok-1.5
Alibaba Cloud / Qwen Team
Qwen2.5 72B Instruct