head-to-head

OpenAI: GPT-5.4 vs Google: Gemini 3.1 Flash Lite Preview

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-06-20.

	OpenAI: GPT-5.4	Google: Gemini 3.1 Flash Lite Preview
Vendor	openai	google
Quality Score	100	100
Benchmark Score	90.4	-
Input Price	$2.50/M	$0.25/M
Output Price	$15.00/M	$1.50/M
Context Window	1,050,000	1,048,576
Max Output	128,000	65,536
Tool Calling	✓	✓
Structured Output	✓	✓
Reasoning Mode	✓	✓
Vision	✓	✓
Audio	-	✓
Benchmark Scores
ai_index	84.8	-
ai_index_agentic	67.8	-
ai_index_coding	100.0	-
eqbench	82.4	-

Who wins by task?

Task	OpenAI: GPT-5.4	Google: Gemini 3.1 Flash Lite Preview
SQL Generation	174	133
Code Review	175	132
Code Completion	120	131
Code Refactoring	174	136
Bug Fixing	188	136
Unit Test Generation	159	124
Code Documentation	146	131
Regex Writing	136	119
CI/CD Pipelines	149	120
Frontend Component Design	149	122
Data Analysis	173	124
CSV / Spreadsheet Cleanup	157	133
ETL Scripting	161	128
JSON Extraction	137	131
Bulk Data Labeling	122	129
OCR / Document Parsing	149	131
Table Extraction from PDFs	149	131
Long-Document Summarization	168	137
Short-Form Summarization	122	123
Blog Post Writing	144	121

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