head-to-head

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

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

	Qwen: Qwen3.8 Max (0902)	DeepSeek: DeepSeek V4 Flash Vision Exp (batch)
Vendor	qwen	deepseek
Quality Score	100	100
Benchmark Score	85.1	80.1
Input Price	$2.00/M	$0.11/M
Output Price	$6.00/M	$0.33/M
Context Window	1,000,000	1,048,576
Max Output	131,072	943,718
Tool Calling	✓	✓
Structured Output	✓	✓
Reasoning Mode	✓	✓
Vision	✓	✓
Audio	-	-
Benchmark Scores
ai_index	66.5	57.8
ai_index_agentic	81.8	79.4
ai_index_coding	100.0	100.0

Who wins by task?

Task	Qwen: Qwen3.8 Max (0902)	DeepSeek: DeepSeek V4 Flash Vision Exp (batch)
SQL Generation	169	169
Code Review	163	161
Code Completion	119	133
Code Refactoring	161	159
Bug Fixing	177	175
Unit Test Generation	152	151
Code Documentation	140	141
Regex Writing	134	134
CI/CD Pipelines	142	141
Frontend Component Design	144	143
Data Analysis	169	167
CSV / Spreadsheet Cleanup	153	153
ETL Scripting	152	150
JSON Extraction	139	149
Bulk Data Labeling	125	135
OCR / Document Parsing	146	145
Table Extraction from PDFs	146	145
Long-Document Summarization	156	156
Short-Form Summarization	122	131
Blog Post Writing	138	137

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