head-to-head

OpenAI: GPT-5.6 Sol Pro (batch) vs Google: Gemini 3.1 Flash Lite (batch)

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

	OpenAI: GPT-5.6 Sol Pro (batch)	Google: Gemini 3.1 Flash Lite (batch)
Vendor	openai	google
Quality Score	100	100
Input Price	$1.00/M	$0.12/M
Output Price	$5.00/M	$0.75/M
Context Window	1,050,000	1,048,576
Max Output	128,000	65,536
Tool Calling	✓	✓
Structured Output	✓	✓
Reasoning Mode	✓	✓
Vision	✓	✓
Audio	-	✓

Who wins by task?

Task	OpenAI: GPT-5.6 Sol Pro (batch)	Google: Gemini 3.1 Flash Lite (batch)
SQL Generation	133	133
Code Completion	118	131
Code Documentation	130	131
Regex Writing	118	119
CSV / Spreadsheet Cleanup	133	133
JSON Extraction	122	131
Bulk Data Labeling	120	129
Long-Document Summarization	137	137
Short-Form Summarization	114	123
Blog Post Writing	121	121

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