head-to-head

Thinking Machines: Inkling Small vs xAI: Grok 4.3

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-08-02.

	Thinking Machines: Inkling Small	xAI: Grok 4.3
Vendor	thinkingmachines	x-ai
Quality Score	100	100
Benchmark Score	69.0	58.0
Input Price	$0.50/M	$1.25/M
Output Price	$1.20/M	$2.50/M
Context Window	524,288	1,000,000
Max Output	-	-
Tool Calling	✓	✓
Structured Output	-	✓
Reasoning Mode	✓	✓
Vision	✓	✓
Audio	✓	-
Benchmark Scores
ai_index	66.3	62.0
ai_index_agentic	50.8	39.8
ai_index_coding	87.4	69.7

Who wins by task?

Task	Thinking Machines: Inkling Small	xAI: Grok 4.3
SQL Generation	155	158
Code Review	155	155
Code Completion	133	120
Code Refactoring	154	155
Bug Fixing	169	164
Unit Test Generation	140	144
Code Documentation	140	139
Regex Writing	132	130
CI/CD Pipelines	135	136
Frontend Component Design	137	138
Data Analysis	156	153
CSV / Spreadsheet Cleanup	139	147
ETL Scripting	144	145
JSON Extraction	134	134
Bulk Data Labeling	130	124
OCR / Document Parsing	136	141
Table Extraction from PDFs	136	141
Long-Document Summarization	155	152
Short-Form Summarization	130	120
Blog Post Writing	136	134

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