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xAI: Grok 4.3 vs Qwen: Qwen3.5-27B

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-06-17.

xAI: Grok 4.3 Qwen: Qwen3.5-27B
Vendorx-aiqwen
Quality Score100100
Benchmark Score75.066.4
Input Price$1.25/M$0.20/M
Output Price$2.50/M$1.56/M
Context Window1,000,000262,144
Max Output-65,536
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index62.055.7
ai_index_agentic100.090.1
ai_index_coding67.757.5

Who wins by task?

TaskxAI: Grok 4.3Qwen: Qwen3.5-27B
SQL Generation 166 160
Code Review 161 152
Code Completion 120 130
Code Refactoring 159 148
Bug Fixing 176 166
Unit Test Generation 148 143
Code Documentation 141 135
Regex Writing 134 132
CI/CD Pipelines 140 135
Frontend Component Design 142 140
Data Analysis 166 162
CSV / Spreadsheet Cleanup 149 141
ETL Scripting 149 141
JSON Extraction 136 143
Bulk Data Labeling 125 133
OCR / Document Parsing 142 138
Table Extraction from PDFs 142 138
Long-Document Summarization 156 146
Short-Form Summarization 122 130
Blog Post Writing 137 133

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

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