head-to-head

xAI: Grok 4.5 vs Google: Gemini 3.5 Flash (batch)

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

xAI: Grok 4.5 Google: Gemini 3.5 Flash (batch)
Vendorx-aigoogle
Quality Score100100
Benchmark Score90.283.3
Input Price$2.00/M$0.75/M
Output Price$6.00/M$4.50/M
Context Window500,0001,048,576
Max Output-65,536
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio-
Benchmark Scores
ai_index88.882.8
ai_index_agentic75.461.8
ai_index_coding100.0100.0

Who wins by task?

TaskxAI: Grok 4.5Google: Gemini 3.5 Flash (batch)
SQL Generation 171 169
Code Review 167 164
Code Completion 120 132
Code Refactoring 164 162
Bug Fixing 180 176
Unit Test Generation 154 152
Code Documentation 142 142
Regex Writing 135 134
CI/CD Pipelines 144 143
Frontend Component Design 146 145
Data Analysis 170 167
CSV / Spreadsheet Cleanup 154 153
ETL Scripting 154 152
JSON Extraction 139 147
Bulk Data Labeling 125 134
OCR / Document Parsing 146 146
Table Extraction from PDFs 146 146
Long-Document Summarization 159 158
Short-Form Summarization 123 130
Blog Post Writing 140 139

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

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