head-to-head

DeepSeek: DeepSeek V4 Flash Vision Exp vs Qwen: Qwen3.8 Max

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-08-22.

	DeepSeek: DeepSeek V4 Flash Vision Exp	Qwen: Qwen3.8 Max
Vendor	deepseek	qwen
Quality Score	100	100
Benchmark Score	-	97.9
Input Price	$0.22/M	$2.00/M
Output Price	$0.66/M	$6.00/M
Context Window	1,048,576	1,000,000
Max Output	384,000	131,072
Tool Calling	✓	✓
Structured Output	✓	✓
Reasoning Mode	✓	✓
Vision	✓	✓
Audio	-	-
Benchmark Scores
ai_index	-	95.8
ai_index_agentic	-	96.4
ai_index_coding	-	100.0

Who wins by task?

Task	DeepSeek: DeepSeek V4 Flash Vision Exp	Qwen: Qwen3.8 Max
SQL Generation	133	175
Code Review	132	170
Code Completion	131	120
Code Refactoring	136	167
Bug Fixing	136	186
Unit Test Generation	124	157
Code Documentation	131	143
Regex Writing	119	137
CI/CD Pipelines	120	147
Frontend Component Design	122	149
Data Analysis	124	176
CSV / Spreadsheet Cleanup	133	154
ETL Scripting	128	157
JSON Extraction	131	140
Bulk Data Labeling	129	125
OCR / Document Parsing	131	147
Table Extraction from PDFs	131	147
Long-Document Summarization	137	162
Short-Form Summarization	123	124
Blog Post Writing	121	142

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