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

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-08-13.

OpenAI: GPT-5.6 Luna OpenAI: GPT-5.6 Sol Pro (batch)
Vendoropenaiopenai
Quality Score100100
Benchmark Score88.2-
Input Price$0.10/M$2.50/M
Output Price$0.60/M$15.00/M
Context Window1,050,0001,050,000
Max Output128,000128,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index86.3-
ai_index_agentic77.4-
ai_index_coding100.0-

Who wins by task?

TaskOpenAI: GPT-5.6 LunaOpenAI: GPT-5.6 Sol Pro (batch)
SQL Generation 172 132
Code Review 167 132
Code Completion 133 116
Code Refactoring 164 136
Bug Fixing 180 136
Unit Test Generation 154 124
Code Documentation 143 128
Regex Writing 137 116
CI/CD Pipelines 144 120
Frontend Component Design 146 122
Data Analysis 171 124
CSV / Spreadsheet Cleanup 154 132
ETL Scripting 154 128
JSON Extraction 149 120
Bulk Data Labeling 135 116
OCR / Document Parsing 146 131
Table Extraction from PDFs 146 131
Long-Document Summarization 160 136
Short-Form Summarization 132 112
Blog Post Writing 140 120

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

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