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Google: Gemini 3.6 Flash vs OpenAI: GPT-5.6 Sol (batch)

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

Google: Gemini 3.6 Flash OpenAI: GPT-5.6 Sol (batch)
Vendorgoogleopenai
Quality Score100100
Benchmark Score84.499.3
Input Price$1.50/M$2.50/M
Output Price$7.50/M$15.00/M
Context Window1,048,5761,050,000
Max Output65,536128,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio✓-
Benchmark Scores
ai_index85.1100.0
ai_index_agentic66.895.3
ai_index_coding100.0100.0

Who wins by task?

TaskGoogle: Gemini 3.6 FlashOpenAI: GPT-5.6 Sol (batch)
SQL Generation 169 174
Code Review 165 171
Code Completion 119 118
Code Refactoring 163 167
Bug Fixing 178 187
Unit Test Generation 153 157
Code Documentation 141 142
Regex Writing 134 136
CI/CD Pipelines 143 147
Frontend Component Design 145 149
Data Analysis 168 177
CSV / Spreadsheet Cleanup 153 154
ETL Scripting 153 157
JSON Extraction 139 138
Bulk Data Labeling 125 122
OCR / Document Parsing 146 147
Table Extraction from PDFs 146 147
Long-Document Summarization 158 162
Short-Form Summarization 122 122
Blog Post Writing 139 142

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

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