head-to-head

OpenAI: GPT Luna Latest vs Thinking Machines: Inkling Small

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

	OpenAI: GPT Luna Latest	Thinking Machines: Inkling Small
Vendor	~openai	thinkingmachines
Quality Score	100	100
Benchmark Score	-	44.5
Input Price	$0.10/M	$0.45/M
Output Price	$0.50/M	$1.20/M
Context Window	1,050,000	1,048,576
Max Output	128,000	262,144
Tool Calling	✓	✓
Structured Output	✓	-
Reasoning Mode	✓	✓
Vision	✓	✓
Audio	-	✓
Benchmark Scores
ai_index	-	45.8

Who wins by task?

Task	OpenAI: GPT Luna Latest	Thinking Machines: Inkling Small
SQL Generation	133	131
Code Review	132	136
Code Completion	131	132
Code Refactoring	136	139
Bug Fixing	136	144
Unit Test Generation	124	121
Code Documentation	131	135
Regex Writing	119	124
CI/CD Pipelines	120	121
Frontend Component Design	122	123
Data Analysis	124	126
CSV / Spreadsheet Cleanup	133	123
ETL Scripting	128	130
JSON Extraction	131	119
Bulk Data Labeling	129	125
OCR / Document Parsing	131	125
Table Extraction from PDFs	131	125
Long-Document Summarization	137	145
Short-Form Summarization	123	126
Blog Post Writing	121	127

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