head-to-head

Google: Gemini 3.5 Flash vs Google: Gemini 3.1 Pro Preview

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

Who wins by task?

Task	Google: Gemini 3.5 Flash	Google: Gemini 3.1 Pro Preview
SQL Generation	139	143
Code Review	142	150
Code Completion	119	120
Code Refactoring	144	153
Bug Fixing	146	154
Unit Test Generation	130	135
Code Documentation	134	139
Regex Writing	123	125
CI/CD Pipelines	126	131
Frontend Component Design	128	130
Data Analysis	132	135
CSV / Spreadsheet Cleanup	135	139
ETL Scripting	135	142
JSON Extraction	121	121
Bulk Data Labeling	118	117
OCR / Document Parsing	133	135
Table Extraction from PDFs	133	135
Long-Document Summarization	145	154
Short-Form Summarization	116	117
Blog Post Writing	127	131

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