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Google Gemini Flash Latest vs OpenAI: GPT-5.5 (batch)

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-07-30.

Google Gemini Flash Latest OpenAI: GPT-5.5 (batch)
Vendor~googleopenai
Quality Score100100
Benchmark Score-92.6
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_index-90.5
ai_index_agentic-74.0
ai_index_coding-100.0
eqbench-82.4

Who wins by task?

TaskGoogle Gemini Flash LatestOpenAI: GPT-5.5 (batch)
SQL Generation 133 176
Code Review 132 177
Code Completion 118 120
Code Refactoring 136 175
Bug Fixing 136 190
Unit Test Generation 124 160
Code Documentation 130 147
Regex Writing 118 137
CI/CD Pipelines 120 150
Frontend Component Design 122 150
Data Analysis 124 175
CSV / Spreadsheet Cleanup 133 158
ETL Scripting 128 163
JSON Extraction 122 137
Bulk Data Labeling 119 122
OCR / Document Parsing 131 149
Table Extraction from PDFs 131 149
Long-Document Summarization 137 169
Short-Form Summarization 114 122
Blog Post Writing 121 145

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

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