head-to-head

xAI: Grok Latest vs NVIDIA: Nemotron 3 Nano Omni (free)

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

	xAI: Grok Latest	NVIDIA: Nemotron 3 Nano Omni (free)
Vendor	~x-ai	nvidia
Quality Score	100	100
Benchmark Score	5.8	-
Input Price	$1.60/M	Free
Output Price	$4.80/M	Free
Context Window	500,000	256,000
Max Output	450,000	65,536
Tool Calling	✓	✓
Structured Output	✓	-
Reasoning Mode	✓	✓
Vision	✓	✓
Audio	-	✓
Benchmark Scores
ai_index	11.4	-

Who wins by task?

Task	xAI: Grok Latest	NVIDIA: Nemotron 3 Nano Omni (free)
SQL Generation	134	123
Code Review	134	122
Code Completion	118	129
Code Refactoring	137	123
Bug Fixing	138	130
Unit Test Generation	125	113
Code Documentation	131	126
Regex Writing	119	120
CI/CD Pipelines	121	113
Frontend Component Design	123	118
Data Analysis	125	120
CSV / Spreadsheet Cleanup	133	116
ETL Scripting	129	118
JSON Extraction	122	120
Bulk Data Labeling	120	126
OCR / Document Parsing	131	120
Table Extraction from PDFs	131	120
Long-Document Summarization	139	129
Short-Form Summarization	115	124
Blog Post Writing	122	119

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