head-to-head

DeepSeek: DeepSeek V4 Flash Latest vs Google: Gemini 3.5 Flash Lite (batch)

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

	DeepSeek: DeepSeek V4 Flash Latest	Google: Gemini 3.5 Flash Lite (batch)
Vendor	~deepseek	google
Quality Score	99	100
Benchmark Score	-	34.2
Input Price	$0.03/M	$0.15/M
Output Price	$0.80/M	$1.25/M
Context Window	1,310,720	1,048,576
Max Output	943,718	65,536
Tool Calling	✓	✓
Structured Output	✓	✓
Reasoning Mode	✓	✓
Vision	-	✓
Audio	-	✓
Benchmark Scores
ai_index	-	36.6

Who wins by task?

Task	DeepSeek: DeepSeek V4 Flash Latest	Google: Gemini 3.5 Flash Lite (batch)
SQL Generation	133	138
Code Review	131	139
Code Completion	131	132
Code Refactoring	135	141
Bug Fixing	135	143
Unit Test Generation	123	128
Code Documentation	131	135
Regex Writing	119	123
CI/CD Pipelines	119	124
Frontend Component Design	91	126
Data Analysis	123	129
CSV / Spreadsheet Cleanup	133	135
ETL Scripting	127	133
JSON Extraction	131	131
Bulk Data Labeling	129	129
OCR / Document Parsing	85	132
Table Extraction from PDFs	85	132
Long-Document Summarization	137	143
Short-Form Summarization	123	125
Blog Post Writing	121	126

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