head-to-head

NVIDIA: Nemotron 3 Nano Omni (free) vs OpenAI: GPT-5.4 Nano

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-06-22.

	NVIDIA: Nemotron 3 Nano Omni (free)	OpenAI: GPT-5.4 Nano
Vendor	nvidia	openai
Quality Score	100	100
Benchmark Score	-	68.0
Input Price	Free	$0.20/M
Output Price	Free	$1.25/M
Context Window	256,000	400,000
Max Output	65,536	128,000
Tool Calling	✓	✓
Structured Output	-	✓
Reasoning Mode	✓	✓
Vision	✓	✓
Audio	✓	-
Benchmark Scores
ai_index	-	63.1
ai_index_agentic	-	45.4
ai_index_coding	-	92.5

Who wins by task?

Task	NVIDIA: Nemotron 3 Nano Omni (free)	OpenAI: GPT-5.4 Nano
SQL Generation	123	163
Code Review	122	158
Code Completion	129	133
Code Refactoring	123	157
Bug Fixing	130	168
Unit Test Generation	113	148
Code Documentation	126	140
Regex Writing	120	132
CI/CD Pipelines	113	139
Frontend Component Design	118	141
Data Analysis	120	159
CSV / Spreadsheet Cleanup	116	151
ETL Scripting	118	148
JSON Extraction	120	146
Bulk Data Labeling	126	134
OCR / Document Parsing	120	144
Table Extraction from PDFs	120	144
Long-Document Summarization	129	154
Short-Form Summarization	124	130
Blog Post Writing	119	135

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