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xAI: Grok Build 0.1 vs Google: Gemini 3.5 Flash

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-06-23.

xAI: Grok Build 0.1 Google: Gemini 3.5 Flash
Vendorx-aigoogle
Quality Score100100
Benchmark Score-84.5
Input Price$1.00/M$1.50/M
Output Price$2.00/M$9.00/M
Context Window256,0001,048,576
Max Output-65,536
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio-✓
Benchmark Scores
ai_index-82.8
ai_index_agentic-61.8
ai_index_coding-100.0

Who wins by task?

TaskxAI: Grok Build 0.1Google: Gemini 3.5 Flash
SQL Generation 130 168
Code Review 126 164
Code Completion 116 119
Code Refactoring 127 162
Bug Fixing 130 176
Unit Test Generation 121 152
Code Documentation 125 141
Regex Writing 119 133
CI/CD Pipelines 117 143
Frontend Component Design 122 145
Data Analysis 124 167
CSV / Spreadsheet Cleanup 127 153
ETL Scripting 122 152
JSON Extraction 123 138
Bulk Data Labeling 121 124
OCR / Document Parsing 128 146
Table Extraction from PDFs 128 146
Long-Document Summarization 129 157
Short-Form Summarization 115 121
Blog Post Writing 118 138

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

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