head-to-head

DeepSeek: DeepSeek V4 Flash Vision Exp (batch) vs Qwen: Qwen3.8 27B

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

	DeepSeek: DeepSeek V4 Flash Vision Exp (batch)	Qwen: Qwen3.8 27B
Vendor	deepseek	qwen
Quality Score	100	100
Benchmark Score	80.1	78.3
Input Price	$0.11/M	$0.42/M
Output Price	$0.33/M	$3.00/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	57.8	55.9
ai_index_agentic	79.4	76.7
ai_index_coding	100.0	100.0

Who wins by task?

Task	DeepSeek: DeepSeek V4 Flash Vision Exp (batch)	Qwen: Qwen3.8 27B
SQL Generation	169	168
Code Review	161	161
Code Completion	133	132
Code Refactoring	159	159
Bug Fixing	175	174
Unit Test Generation	151	150
Code Documentation	141	140
Regex Writing	134	133
CI/CD Pipelines	141	141
Frontend Component Design	143	143
Data Analysis	167	166
CSV / Spreadsheet Cleanup	153	153
ETL Scripting	150	150
JSON Extraction	149	148
Bulk Data Labeling	135	134
OCR / Document Parsing	145	145
Table Extraction from PDFs	145	145
Long-Document Summarization	156	155
Short-Form Summarization	131	130
Blog Post Writing	137	137

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