head-to-head

Thinking Machines: Inkling (batch) vs OpenAI: GPT-5.6 Terra Pro (batch)

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

	Thinking Machines: Inkling (batch)	OpenAI: GPT-5.6 Terra Pro (batch)
Vendor	thinkingmachines	openai
Quality Score	100	100
Benchmark Score	70.5	-
Input Price	$0.50/M	$1.00/M
Output Price	$2.02/M	$6.00/M
Context Window	524,288	1,050,000
Max Output	-	128,000
Tool Calling	✓	✓
Structured Output	-	✓
Reasoning Mode	✓	✓
Vision	✓	✓
Audio	✓	-
Benchmark Scores
ai_index	69.8	-
ai_index_agentic	56.3	-
ai_index_coding	85.9	-

Who wins by task?

Task	Thinking Machines: Inkling (batch)	OpenAI: GPT-5.6 Terra Pro (batch)
SQL Generation	156	133
Code Review	156	132
Code Completion	132	118
Code Refactoring	154	136
Bug Fixing	171	136
Unit Test Generation	140	124
Code Documentation	141	130
Regex Writing	133	118
CI/CD Pipelines	136	120
Frontend Component Design	138	122
Data Analysis	157	124
CSV / Spreadsheet Cleanup	139	133
ETL Scripting	145	128
JSON Extraction	134	122
Bulk Data Labeling	130	119
OCR / Document Parsing	136	131
Table Extraction from PDFs	136	131
Long-Document Summarization	155	137
Short-Form Summarization	130	114
Blog Post Writing	136	121

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