head-to-head

OpenAI: GPT-6 Sol vs DeepSeek: DeepSeek V4 Flash Vision Exp

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

	OpenAI: GPT-6 Sol	DeepSeek: DeepSeek V4 Flash Vision Exp
Vendor	openai	deepseek
Quality Score	100	100
Benchmark Score	81.2	57.7
Input Price	$2.00/M	$0.22/M
Output Price	$10.00/M	$0.66/M
Context Window	1,050,000	1,048,576
Max Output	128,000	943,718
Tool Calling	✓	✓
Structured Output	✓	✓
Reasoning Mode	✓	✓
Vision	✓	✓
Audio	-	-
Benchmark Scores
ai_index	78.4	57.5

Who wins by task?

Task	OpenAI: GPT-6 Sol	DeepSeek: DeepSeek V4 Flash Vision Exp
SQL Generation	142	140
Code Review	146	142
Code Completion	119	133
Code Refactoring	148	145
Bug Fixing	150	146
Unit Test Generation	133	130
Code Documentation	136	137
Regex Writing	125	125
CI/CD Pipelines	129	126
Frontend Component Design	131	128
Data Analysis	135	132
CSV / Spreadsheet Cleanup	135	136
ETL Scripting	139	136
JSON Extraction	121	131
Bulk Data Labeling	118	129
OCR / Document Parsing	134	133
Table Extraction from PDFs	134	133
Long-Document Summarization	149	147
Short-Form Summarization	117	126
Blog Post Writing	130	128

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