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Qwen: Qwen3.6 27B vs xAI: Grok 4.20

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-06-18.

Qwen: Qwen3.6 27B xAI: Grok 4.20
Vendorqwenx-ai
Quality Score100100
Benchmark Score72.469.3
Input Price$0.29/M$1.25/M
Output Price$3.17/M$2.50/M
Context Window262,1442,000,000
Max Output262,140-
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index61.161.0
ai_index_agentic100.088.9
ai_index_coding60.269.6
eqbench-55.8

Who wins by task?

TaskQwen: Qwen3.6 27BxAI: Grok 4.20
SQL Generation 162 169
Code Review 154 166
Code Completion 129 122
Code Refactoring 149 165
Bug Fixing 170 181
Unit Test Generation 145 152
Code Documentation 135 145
Regex Writing 133 135
CI/CD Pipelines 137 143
Frontend Component Design 141 144
Data Analysis 165 167
CSV / Spreadsheet Cleanup 142 152
ETL Scripting 143 154
JSON Extraction 143 136
Bulk Data Labeling 133 125
OCR / Document Parsing 139 144
Table Extraction from PDFs 139 144
Long-Document Summarization 147 162
Short-Form Summarization 130 123
Blog Post Writing 134 141

Scores reflect capability match + benchmark data + pricing for each task. Methodology →

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