head-to-head

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

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-23.

OpenAI: GPT-5.4 Nano OpenAI: GPT-5.4 Mini
Vendoropenaiopenai
Quality Score100100
Benchmark Score31.537.7
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_index34.239.7

Who wins by task?

TaskOpenAI: GPT-5.4 NanoOpenAI: GPT-5.4 Mini
SQL Generation 138 138
Code Review 138 139
Code Completion 132 131
Code Refactoring 141 142
Bug Fixing 142 143
Unit Test Generation 128 128
Code Documentation 134 134
Regex Writing 123 122
CI/CD Pipelines 124 124
Frontend Component Design 126 126
Data Analysis 129 130
CSV / Spreadsheet Cleanup 135 135
ETL Scripting 132 133
JSON Extraction 131 130
Bulk Data Labeling 129 128
OCR / Document Parsing 132 133
Table Extraction from PDFs 132 133
Long-Document Summarization 143 143
Short-Form Summarization 125 124
Blog Post Writing 126 126

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

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