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OpenAI: GPT-5.4 Nano vs OpenAI: GPT-5.4 Mini

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-06-20.

OpenAI: GPT-5.4 Nano OpenAI: GPT-5.4 Mini
Vendoropenaiopenai
Quality Score100100
Benchmark Score68.070.8
Input Price$0.20/M$0.75/M
Output Price$1.25/M$4.50/M
Context Window400,000400,000
Max Output128,000128,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index63.166.0
ai_index_agentic45.449.8
ai_index_coding92.592.5

Who wins by task?

TaskOpenAI: GPT-5.4 NanoOpenAI: GPT-5.4 Mini
SQL Generation 163 164
Code Review 158 159
Code Completion 133 132
Code Refactoring 157 158
Bug Fixing 168 170
Unit Test Generation 148 148
Code Documentation 140 140
Regex Writing 132 132
CI/CD Pipelines 139 139
Frontend Component Design 141 141
Data Analysis 159 160
CSV / Spreadsheet Cleanup 151 151
ETL Scripting 148 149
JSON Extraction 146 146
Bulk Data Labeling 134 133
OCR / Document Parsing 144 144
Table Extraction from PDFs 144 144
Long-Document Summarization 154 154
Short-Form Summarization 130 129
Blog Post Writing 135 136

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

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