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Google: Gemini 3.5 Flash (batch) vs xAI: Grok 4.3

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-07-30.

Google: Gemini 3.5 Flash (batch) xAI: Grok 4.3
Vendorgooglex-ai
Quality Score100100
Benchmark Score83.358.0
Input Price$0.75/M$1.25/M
Output Price$4.50/M$2.50/M
Context Window1,048,5761,000,000
Max Output65,536-
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio✓-
Benchmark Scores
ai_index82.862.0
ai_index_agentic61.839.8
ai_index_coding100.069.7

Who wins by task?

TaskGoogle: Gemini 3.5 Flash (batch)xAI: Grok 4.3
SQL Generation 169 158
Code Review 164 155
Code Completion 132 120
Code Refactoring 162 155
Bug Fixing 176 164
Unit Test Generation 152 144
Code Documentation 142 139
Regex Writing 134 130
CI/CD Pipelines 143 136
Frontend Component Design 145 138
Data Analysis 167 153
CSV / Spreadsheet Cleanup 153 147
ETL Scripting 152 145
JSON Extraction 147 134
Bulk Data Labeling 134 124
OCR / Document Parsing 146 141
Table Extraction from PDFs 146 141
Long-Document Summarization 158 152
Short-Form Summarization 130 120
Blog Post Writing 139 134

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

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