head-to-head

Thinking Machines: Inkling (batch) 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 (batch)	OpenAI: GPT-5.6 Sol (batch)
Vendor	thinkingmachines	openai
Quality Score	100	100
Benchmark Score	70.5	99.3
Input Price	$0.50/M	$2.50/M
Output Price	$2.02/M	$15.00/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	100.0
ai_index_agentic	56.3	95.3
ai_index_coding	85.9	100.0

Who wins by task?

Task	Thinking Machines: Inkling (batch)	OpenAI: GPT-5.6 Sol (batch)
SQL Generation	156	174
Code Review	156	171
Code Completion	132	118
Code Refactoring	154	167
Bug Fixing	171	187
Unit Test Generation	140	157
Code Documentation	141	142
Regex Writing	133	136
CI/CD Pipelines	136	147
Frontend Component Design	138	149
Data Analysis	157	177
CSV / Spreadsheet Cleanup	139	154
ETL Scripting	145	157
JSON Extraction	134	138
Bulk Data Labeling	130	122
OCR / Document Parsing	136	147
Table Extraction from PDFs	136	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 →