Grok-4 Heavy vs Qwen3 Max
Grok-4 Heavy leads the LLM Stats Score 40.7 to 21.7.
xAI · Alibaba Cloud / Qwen Team · Updated for 2026
Which is better?
Grok-4 Heavy leads the overall LLM Stats Score 40.7 to 21.7, ranking #59 overall.
In the 2 individual benchmarks reported for both models, Grok-4 Heavy wins 2; 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-4 Heavy
- overall performance matters — it scores 40.7 and ranks #59 on LLM Stats
- your work emphasizes reasoning — it leads those capability indexes
- you value its reported benchmark strengths — it wins 2 of 2 exact shared results
Choose Qwen3 Max
- you want predictable pricing at $0.50/M input and $5.00/M output
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
6 reported for Grok-4 Heavy · 6 for Qwen3 Max
Grok-4 Heavy outperforms in 2 benchmarks (AIME 2025, GPQA), while Qwen3 Max is better at 0 benchmarks.
Grok-4 Heavy 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 Qwen3 Max specifies input context (256,000 tokens). Only Qwen3 Max specifies output context (131,072 tokens).
Input capabilities
Documented input modalities across available providers
Grok-4 Heavy supports multimodal inputs, whereas Qwen3 Max 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 Max
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
Qwen3 Max was released on 2025-12-15, while Grok-4 Heavy's release date is not specified.
We can confirm Qwen3 Max's release timeline, but cannot make a direct age comparison without Grok-4 Heavy's release date.
—
Dec 15, 2025
9 months ago
Knowledge Cutoff
When training data ends
Grok-4 Heavy has a documented knowledge cutoff of 2024-12-31, while Qwen3 Max'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 Max's cutoff date.
Dec 2024
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Outputs Comparison
Judge for yourself.
Run your own prompts against Grok-4 Heavy and Qwen3 Max side-by-side, then vote on the output you prefer.
FAQ
Common questions about Grok-4 Heavy vs Qwen3 Max.