Grok-1.5 vs Qwen2.5 72B Instruct
Qwen2.5 72B Instruct leads the LLM Stats Score 12.1 to -2.7.
xAI · Alibaba Cloud / Qwen Team · Updated for 2026
Which is better?
Qwen2.5 72B Instruct leads the overall LLM Stats Score 12.1 to -2.7, ranking #269 overall.
In the 5 individual benchmarks reported for both models, Qwen2.5 72B Instruct wins 5; this is a narrower head-to-head signal than the composite indexes.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Grok-1.5
- you are already invested in the xAI ecosystem
Choose Qwen2.5 72B Instruct
- overall performance matters — it scores 12.1 and ranks #269 on LLM Stats
- your work emphasizes reasoning — it leads those capability indexes
- you value its reported benchmark strengths — it wins 5 of 5 exact shared results
- you want the most recent training data — it shipped Sep 2024
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
9 reported for Grok-1.5 · 14 for Qwen2.5 72B Instruct
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.
Human preference
Blind head-to-head votes and playground preference scores
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).
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.
Proprietary
Closed source
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.
Mar 28, 2024
2.5 years ago
Sep 19, 2024
2.1 years ago
5mo newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Outputs Comparison
Judge for yourself.
Run your own prompts against Grok-1.5 and Qwen2.5 72B Instruct side-by-side, then vote on the output you prefer.
FAQ
Common questions about Grok-1.5 vs Qwen2.5 72B Instruct.