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OpenAI: GPT-5.4 vs Google: Gemini 3.1 Pro Preview

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-05-05.

OpenAI: GPT-5.4 Google: Gemini 3.1 Pro Preview
Vendoropenaigoogle
Quality Score100100
Input Price$2.50/M$2.00/M
Output Price$15.00/M$12.00/M
Context Window1,050,0001,048,576
Max Output128,00065,536
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio-✓

Who wins by task?

TaskOpenAI: GPT-5.4Google: Gemini 3.1 Pro Preview
SQL Generation 132 132
Code Completion 116 117
Code Documentation 128 129
Regex Writing 116 117
CSV / Spreadsheet Cleanup 132 132
JSON Extraction 120 121
Bulk Data Labeling 116 117
Long-Document Summarization 136 136
Short-Form Summarization 112 113
Blog Post Writing 120 120

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

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