head-to-head

DeepSeek: DeepSeek V4 Flash Vision Exp (batch) vs Claude Opus 5 (batch)

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

	DeepSeek: DeepSeek V4 Flash Vision Exp (batch)	Claude Opus 5 (batch)
Vendor	deepseek	anthropic
Quality Score	100	100
Benchmark Score	80.1	97.0
Input Price	$0.11/M	$2.50/M
Output Price	$0.33/M	$12.50/M
Context Window	1,048,576	1,000,000
Max Output	943,718	128,000
Tool Calling	✓	✓
Structured Output	✓	✓
Reasoning Mode	✓	✓
Vision	✓	✓
Audio	-	-
Benchmark Scores
ai_index	57.8	83.7
ai_index_agentic	79.4	92.8
ai_index_coding	100.0	100.0

Who wins by task?

Task	DeepSeek: DeepSeek V4 Flash Vision Exp (batch)	Claude Opus 5 (batch)
SQL Generation	169	172
Code Review	161	168
Code Completion	133	118
Code Refactoring	159	164
Bug Fixing	175	183
Unit Test Generation	151	155
Code Documentation	141	141
Regex Writing	134	134
CI/CD Pipelines	141	145
Frontend Component Design	143	147
Data Analysis	167	174
CSV / Spreadsheet Cleanup	153	153
ETL Scripting	150	155
JSON Extraction	149	138
Bulk Data Labeling	135	123
OCR / Document Parsing	145	147
Table Extraction from PDFs	145	147
Long-Document Summarization	156	159
Short-Form Summarization	131	122
Blog Post Writing	137	140

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