head-to-head

DeepSeek: DeepSeek V4 Flash Vision Exp vs Qwen: Qwen3.7 Plus

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

	DeepSeek: DeepSeek V4 Flash Vision Exp	Qwen: Qwen3.7 Plus
Vendor	deepseek	qwen
Quality Score	100	100
Benchmark Score	57.7	39.7
Input Price	$0.22/M	$0.32/M
Output Price	$0.66/M	$1.28/M
Context Window	1,048,576	1,000,000
Max Output	943,718	131,072
Tool Calling	✓	✓
Structured Output	✓	✓
Reasoning Mode	✓	✓
Vision	✓	✓
Audio	-	-
Benchmark Scores
ai_index	57.5	41.5

Who wins by task?

Task	DeepSeek: DeepSeek V4 Flash Vision Exp	Qwen: Qwen3.7 Plus
SQL Generation	140	138
Code Review	142	139
Code Completion	133	132
Code Refactoring	145	142
Bug Fixing	146	143
Unit Test Generation	130	129
Code Documentation	137	135
Regex Writing	125	123
CI/CD Pipelines	126	125
Frontend Component Design	128	127
Data Analysis	132	130
CSV / Spreadsheet Cleanup	136	135
ETL Scripting	136	133
JSON Extraction	131	131
Bulk Data Labeling	129	129
OCR / Document Parsing	133	133
Table Extraction from PDFs	133	133
Long-Document Summarization	147	144
Short-Form Summarization	126	125
Blog Post Writing	128	126

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