head-to-head

OpenAI: GPT-6 Luna Pro (batch) vs Google: Gemini 3.7 Flash

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

OpenAI: GPT-6 Luna Pro (batch) Google: Gemini 3.7 Flash
Vendoropenaigoogle
Quality Score100100
Benchmark Score-65.5
Input Price$0.05/M$0.75/M
Output Price$0.25/M$3.75/M
Context Window1,050,0001,048,576
Max Output128,00065,536
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio-
Benchmark Scores
ai_index-64.4

Who wins by task?

TaskOpenAI: GPT-6 Luna Pro (batch)Google: Gemini 3.7 Flash
SQL Generation 134 141
Code Review 132 144
Code Completion 131 132
Code Refactoring 136 146
Bug Fixing 136 148
Unit Test Generation 124 131
Code Documentation 131 136
Regex Writing 119 125
CI/CD Pipelines 120 127
Frontend Component Design 122 129
Data Analysis 124 133
CSV / Spreadsheet Cleanup 134 136
ETL Scripting 128 137
JSON Extraction 131 131
Bulk Data Labeling 129 128
OCR / Document Parsing 131 134
Table Extraction from PDFs 131 134
Long-Document Summarization 138 147
Short-Form Summarization 123 126
Blog Post Writing 122 129

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

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