head-to-head

Thinking Machines: Inkling Small vs OpenAI: GPT-5.6 Sol (batch)

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-08-13.

	Thinking Machines: Inkling Small	OpenAI: GPT-5.6 Sol (batch)
Vendor	thinkingmachines	openai
Quality Score	100	100
Benchmark Score	69.1	99.3
Input Price	$0.45/M	$2.50/M
Output Price	$1.20/M	$15.00/M
Context Window	524,288	1,050,000
Max Output	262,144	128,000
Tool Calling	✓	✓
Structured Output	✓	✓
Reasoning Mode	✓	✓
Vision	✓	✓
Audio	✓	-
Benchmark Scores
ai_index	67.9	100.0
ai_index_agentic	52.6	95.3
ai_index_coding	87.4	100.0

Who wins by task?

Task	Thinking Machines: Inkling Small	OpenAI: GPT-5.6 Sol (batch)
SQL Generation	164	174
Code Review	159	171
Code Completion	133	118
Code Refactoring	158	167
Bug Fixing	170	187
Unit Test Generation	148	157
Code Documentation	141	142
Regex Writing	133	136
CI/CD Pipelines	139	147
Frontend Component Design	141	149
Data Analysis	160	177
CSV / Spreadsheet Cleanup	151	154
ETL Scripting	149	157
JSON Extraction	146	138
Bulk Data Labeling	134	122
OCR / Document Parsing	144	147
Table Extraction from PDFs	144	147
Long-Document Summarization	155	162
Short-Form Summarization	130	122
Blog Post Writing	136	142

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