head-to-head

OpenAI: GPT Luna Latest vs Google: Gemini 3.5 Flash Lite

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

OpenAI: GPT Luna Latest Google: Gemini 3.5 Flash Lite
Vendor~openaigoogle
Quality Score100100
Benchmark Score-34.2
Input Price$0.10/M$0.30/M
Output Price$0.50/M$2.50/M
Context Window1,050,0001,048,576
Max Output128,00065,536
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio-
Benchmark Scores
ai_index-36.6

Who wins by task?

TaskOpenAI: GPT Luna LatestGoogle: Gemini 3.5 Flash Lite
SQL Generation 133 138
Code Review 132 139
Code Completion 131 132
Code Refactoring 136 141
Bug Fixing 136 143
Unit Test Generation 124 128
Code Documentation 131 134
Regex Writing 119 123
CI/CD Pipelines 120 124
Frontend Component Design 122 126
Data Analysis 124 129
CSV / Spreadsheet Cleanup 133 135
ETL Scripting 128 133
JSON Extraction 131 131
Bulk Data Labeling 129 129
OCR / Document Parsing 131 132
Table Extraction from PDFs 131 132
Long-Document Summarization 137 143
Short-Form Summarization 123 125
Blog Post Writing 121 126

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

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