head-to-head

OpenAI: GPT-5.6 Sol (batch) vs Anthropic: Claude Sonnet 5

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

Who wins by task?

Task	OpenAI: GPT-5.6 Sol (batch)	Anthropic: Claude Sonnet 5
SQL Generation	142	140
Code Review	146	144
Code Completion	120	118
Code Refactoring	148	146
Bug Fixing	150	148
Unit Test Generation	133	131
Code Documentation	137	135
Regex Writing	126	123
CI/CD Pipelines	129	127
Frontend Component Design	131	129
Data Analysis	135	133
CSV / Spreadsheet Cleanup	136	135
ETL Scripting	138	136
JSON Extraction	122	121
Bulk Data Labeling	120	118
OCR / Document Parsing	134	134
Table Extraction from PDFs	134	134
Long-Document Summarization	149	146
Short-Form Summarization	118	116
Blog Post Writing	130	128

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