Grok-4.1 Thinking vs Qwen3.5-4B Comparison

Comparing Grok-4.1 Thinking and Qwen3.5-4B across benchmarks, pricing, and capabilities.

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Grok-4.1 Thinking and Qwen3.5-4B don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

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-4.1 Thinking
Input tokens$3.00
Output tokens$15.00
Best providerxAI
Alibaba Cloud / Qwen Team
Qwen3.5-4B
Input tokens$0.00
Output tokens$0.00
Best providerUnknown Organization
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

Only Grok-4.1 Thinking specifies input context (256,000 tokens). Only Grok-4.1 Thinking specifies output context (8,000 tokens).

xAI
Grok-4.1 Thinking
Input256,000 tokens
Output8,000 tokens
Alibaba Cloud / Qwen Team
Qwen3.5-4B
Input- tokens
Output- tokens
Mon Mar 16 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Grok-4.1 Thinking and Qwen3.5-4B support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Grok-4.1 Thinking

Text
Images
Audio
Video

Qwen3.5-4B

Text
Images
Audio
Video

License

Usage and distribution terms

Grok-4.1 Thinking is licensed under a proprietary license, while Qwen3.5-4B uses Apache 2.0.

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

Grok-4.1 Thinking

Proprietary

Closed source

Qwen3.5-4B

Apache 2.0

Open weights

Release Timeline

When each model was launched

Grok-4.1 Thinking was released on 2025-11-17, while Qwen3.5-4B was released on 2026-03-02.

Qwen3.5-4B is 4 months newer than Grok-4.1 Thinking.

Grok-4.1 Thinking

Nov 17, 2025

3 months ago

Qwen3.5-4B

Mar 2, 2026

2 weeks ago

3mo 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

Larger context window (256,000 tokens)
Alibaba Cloud / Qwen Team

Qwen3.5-4B

View details

Alibaba Cloud / Qwen Team

Has open weights

Detailed Comparison

AI Model Comparison Table
Feature
xAI
Grok-4.1 Thinking
Alibaba Cloud / Qwen Team
Qwen3.5-4B