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Google Gemini Pro 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 Pro Latest OpenAI: GPT-5.5 (batch)
Vendor~googleopenai
Quality Score100100
Benchmark Score-92.6
Input Price$2.00/M$2.50/M
Output Price$12.00/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 Pro LatestOpenAI: GPT-5.5 (batch)
SQL Generation 132 176
Code Review 132 177
Code Completion 117 120
Code Refactoring 136 175
Bug Fixing 136 190
Unit Test Generation 124 160
Code Documentation 129 147
Regex Writing 117 137
CI/CD Pipelines 120 150
Frontend Component Design 122 150
Data Analysis 124 175
CSV / Spreadsheet Cleanup 132 158
ETL Scripting 128 163
JSON Extraction 121 137
Bulk Data Labeling 117 122
OCR / Document Parsing 131 149
Table Extraction from PDFs 131 149
Long-Document Summarization 136 169
Short-Form Summarization 113 122
Blog Post Writing 120 145

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

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