head-to-head

Qwen: Qwen3.8 27B vs DeepSeek: DeepSeek V4 Flash Latest

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

	Qwen: Qwen3.8 27B	DeepSeek: DeepSeek V4 Flash Latest
Vendor	qwen	~deepseek
Quality Score	100	99
Benchmark Score	55.6	-
Input Price	$0.42/M	$0.03/M
Output Price	$3.00/M	$0.80/M
Context Window	1,000,000	1,310,720
Max Output	131,072	943,718
Tool Calling	✓	✓
Structured Output	✓	✓
Reasoning Mode	✓	✓
Vision	✓	-
Audio	-	-
Benchmark Scores
ai_index	55.6	-

Who wins by task?

Task	Qwen: Qwen3.8 27B	DeepSeek: DeepSeek V4 Flash Latest
SQL Generation	140	133
Code Review	142	131
Code Completion	132	131
Code Refactoring	144	135
Bug Fixing	146	135
Unit Test Generation	130	123
Code Documentation	136	131
Regex Writing	124	119
CI/CD Pipelines	126	119
Frontend Component Design	128	91
Data Analysis	132	123
CSV / Spreadsheet Cleanup	135	133
ETL Scripting	135	127
JSON Extraction	131	131
Bulk Data Labeling	129	129
OCR / Document Parsing	133	85
Table Extraction from PDFs	133	85
Long-Document Summarization	146	137
Short-Form Summarization	126	123
Blog Post Writing	128	121

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