head-to-head

OpenAI: GPT-5.6 Luna vs OpenAI: GPT-5.6 Terra Pro (batch)

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 Luna	OpenAI: GPT-5.6 Terra Pro (batch)
SQL Generation	141	133
Code Review	143	132
Code Completion	133	118
Code Refactoring	145	136
Bug Fixing	147	136
Unit Test Generation	131	124
Code Documentation	137	130
Regex Writing	125	118
CI/CD Pipelines	127	120
Frontend Component Design	129	122
Data Analysis	133	124
CSV / Spreadsheet Cleanup	136	133
ETL Scripting	136	128
JSON Extraction	131	122
Bulk Data Labeling	129	119
OCR / Document Parsing	134	131
Table Extraction from PDFs	134	131
Long-Document Summarization	147	137
Short-Form Summarization	126	114
Blog Post Writing	129	121

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