head-to-head

OpenAI: GPT-6 Sol vs DeepSeek: DeepSeek Flash Latest

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

	OpenAI: GPT-6 Sol	DeepSeek: DeepSeek Flash Latest
Vendor	openai	~deepseek
Quality Score	100	100
Benchmark Score	81.2	-
Input Price	$2.00/M	$0.10/M
Output Price	$10.00/M	$0.49/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	-

Who wins by task?

Task	OpenAI: GPT-6 Sol	DeepSeek: DeepSeek Flash Latest
SQL Generation	142	133
Code Review	146	132
Code Completion	119	131
Code Refactoring	148	136
Bug Fixing	150	136
Unit Test Generation	133	124
Code Documentation	136	131
Regex Writing	125	119
CI/CD Pipelines	129	120
Frontend Component Design	131	122
Data Analysis	135	124
CSV / Spreadsheet Cleanup	135	133
ETL Scripting	139	128
JSON Extraction	121	131
Bulk Data Labeling	118	129
OCR / Document Parsing	134	131
Table Extraction from PDFs	134	131
Long-Document Summarization	149	137
Short-Form Summarization	117	123
Blog Post Writing	130	121

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