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Google: Gemma 4 31B (free) vs Google: Gemini 3 Flash Preview

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-23.

Google: Gemma 4 31B (free) Google: Gemini 3 Flash Preview
Vendorgooglegoogle
Quality Score100100
Benchmark Score53.726.3
Input PriceFree$0.50/M
Output PriceFree$3.00/M
Context Window262,1441,048,576
Max Output32,76865,536
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio-✓
Benchmark Scores
ai_index31.329.6
eqbench70.8-

Who wins by task?

TaskGoogle: Gemma 4 31B (free)Google: Gemini 3 Flash Preview
SQL Generation 140 137
Code Review 140 137
Code Completion 132 131
Code Refactoring 141 140
Bug Fixing 144 141
Unit Test Generation 130 127
Code Documentation 135 134
Regex Writing 126 122
CI/CD Pipelines 126 123
Frontend Component Design 128 125
Data Analysis 132 128
CSV / Spreadsheet Cleanup 134 134
ETL Scripting 133 132
JSON Extraction 132 131
Bulk Data Labeling 130 128
OCR / Document Parsing 131 132
Table Extraction from PDFs 131 132
Long-Document Summarization 143 142
Short-Form Summarization 127 124
Blog Post Writing 128 125

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

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