picksbymodel Get API access →
head-to-head

xAI: Grok 4.20 vs Qwen: Qwen3.5-Flash

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-06-20.

xAI: Grok 4.20 Qwen: Qwen3.5-Flash
Vendorx-aiqwen
Quality Score100100
Benchmark Score61.5-
Input Price$1.25/M$0.07/M
Output Price$2.50/M$0.26/M
Context Window2,000,0001,000,000
Max Output-65,536
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index61.0-
eqbench55.8-

Who wins by task?

TaskxAI: Grok 4.20Qwen: Qwen3.5-Flash
SQL Generation 144 134
Code Review 150 132
Code Completion 122 131
Code Refactoring 153 136
Bug Fixing 154 136
Unit Test Generation 135 124
Code Documentation 141 131
Regex Writing 127 119
CI/CD Pipelines 131 120
Frontend Component Design 131 122
Data Analysis 136 124
CSV / Spreadsheet Cleanup 139 134
ETL Scripting 142 128
JSON Extraction 123 131
Bulk Data Labeling 120 129
OCR / Document Parsing 135 131
Table Extraction from PDFs 135 131
Long-Document Summarization 154 138
Short-Form Summarization 119 123
Blog Post Writing 132 122

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

Related comparisons

MoonshotAI: Kimi K2.7 Code vs xAI: Grok 4.20 MoonshotAI: Kimi K2.7 Code vs Qwen: Qwen3.5-Flash Qwen: Qwen3.7 Plus vs xAI: Grok 4.20 Qwen: Qwen3.7 Plus vs Qwen: Qwen3.5-Flash MiniMax: MiniMax M3 vs xAI: Grok 4.20 MiniMax: MiniMax M3 vs Qwen: Qwen3.5-Flash StepFun: Step 3.7 Flash vs xAI: Grok 4.20 StepFun: Step 3.7 Flash vs Qwen: Qwen3.5-Flash