head-to-head

Google: Gemini 3.5 Flash Lite (batch) vs OpenAI: GPT-5.5 (batch)

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

	Google: Gemini 3.5 Flash Lite (batch)	OpenAI: GPT-5.5 (batch)
Vendor	google	openai
Quality Score	100	100
Benchmark Score	62.4	92.6
Input Price	$0.15/M	$2.50/M
Output Price	$1.25/M	$15.00/M
Context Window	1,048,576	1,050,000
Max Output	65,536	128,000
Tool Calling	✓	✓
Structured Output	✓	✓
Reasoning Mode	✓	✓
Vision	✓	✓
Audio	✓	-
Benchmark Scores
ai_index	60.2	90.5
ai_index_agentic	44.3	74.0
ai_index_coding	81.4	100.0
eqbench	-	82.4

Who wins by task?

Task	Google: Gemini 3.5 Flash Lite (batch)	OpenAI: GPT-5.5 (batch)
SQL Generation	161	176
Code Review	156	177
Code Completion	132	120
Code Refactoring	156	175
Bug Fixing	166	190
Unit Test Generation	146	160
Code Documentation	140	147
Regex Writing	131	137
CI/CD Pipelines	137	150
Frontend Component Design	139	150
Data Analysis	156	175
CSV / Spreadsheet Cleanup	149	158
ETL Scripting	146	163
JSON Extraction	145	137
Bulk Data Labeling	134	122
OCR / Document Parsing	143	149
Table Extraction from PDFs	143	149
Long-Document Summarization	153	169
Short-Form Summarization	129	122
Blog Post Writing	135	145

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