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Google: Gemini 3.5 Flash (batch) vs Google: Gemini 3.1 Flash Lite

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-07-29.

Google: Gemini 3.5 Flash (batch) Google: Gemini 3.1 Flash Lite
Vendorgooglegoogle
Quality Score100100
Benchmark Score83.3-
Input Price$0.75/M$0.25/M
Output Price$4.50/M$1.50/M
Context Window1,048,5761,048,576
Max Output65,53665,536
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio✓✓
Benchmark Scores
ai_index82.8-
ai_index_agentic61.8-
ai_index_coding100.0-

Who wins by task?

TaskGoogle: Gemini 3.5 Flash (batch)Google: Gemini 3.1 Flash Lite
SQL Generation 169 133
Code Review 164 132
Code Completion 132 131
Code Refactoring 162 136
Bug Fixing 176 136
Unit Test Generation 152 124
Code Documentation 142 131
Regex Writing 134 119
CI/CD Pipelines 143 120
Frontend Component Design 145 122
Data Analysis 167 124
CSV / Spreadsheet Cleanup 153 133
ETL Scripting 152 128
JSON Extraction 147 131
Bulk Data Labeling 134 129
OCR / Document Parsing 146 131
Table Extraction from PDFs 146 131
Long-Document Summarization 158 137
Short-Form Summarization 130 123
Blog Post Writing 139 121

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

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