head-to-head

Qwen: Qwen3.8 Max (0902) vs DeepSeek: DeepSeek V4 Flash Vision Exp

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-06.

	Qwen: Qwen3.8 Max (0902)	DeepSeek: DeepSeek V4 Flash Vision Exp
Vendor	qwen	deepseek
Quality Score	100	100
Benchmark Score	88.6	84.4
Input Price	$2.00/M	$0.22/M
Output Price	$6.00/M	$0.66/M
Context Window	1,000,000	1,048,576
Max Output	131,072	384,000
Tool Calling	✓	✓
Structured Output	✓	✓
Reasoning Mode	✓	✓
Vision	✓	✓
Audio	-	-
Benchmark Scores
ai_index	77.4	68.5
ai_index_agentic	82.3	-
ai_index_coding	100.0	100.0

Who wins by task?

Task	Qwen: Qwen3.8 Max (0902)	DeepSeek: DeepSeek V4 Flash Vision Exp
SQL Generation	171	159
Code Review	165	156
Code Completion	119	133
Code Refactoring	163	156
Bug Fixing	180	161
Unit Test Generation	153	146
Code Documentation	141	140
Regex Writing	135	130
CI/CD Pipelines	144	137
Frontend Component Design	146	139
Data Analysis	170	151
CSV / Spreadsheet Cleanup	153	151
ETL Scripting	153	146
JSON Extraction	139	146
Bulk Data Labeling	125	134
OCR / Document Parsing	146	144
Table Extraction from PDFs	146	144
Long-Document Summarization	158	152
Short-Form Summarization	122	129
Blog Post Writing	139	134

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