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Google Gemini Flash Latest vs OpenAI: GPT-5.4

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-04-29.

Google Gemini Flash Latest OpenAI: GPT-5.4
Vendor~googleopenai
Quality Score100100
Input Price$0.50/M$2.50/M
Output Price$3.00/M$15.00/M
Context Window1,048,5761,050,000
Max Output65,536128,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio✓-

Who wins by task?

TaskGoogle Gemini Flash LatestOpenAI: GPT-5.4
SQL Generation 133 132
Code Completion 131 116
Code Documentation 131 128
Regex Writing 119 116
CSV / Spreadsheet Cleanup 133 132
JSON Extraction 131 120
Bulk Data Labeling 128 116
Long-Document Summarization 137 136
Short-Form Summarization 123 112
Blog Post Writing 121 120

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

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