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Thinking Machines: Inkling vs OpenAI: GPT-5.6 Terra Pro

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-07-19.

Thinking Machines: Inkling OpenAI: GPT-5.6 Terra Pro
Vendorthinkingmachinesopenai
Quality Score100100
Input Price$1.00/M$2.50/M
Output Price$4.05/M$15.00/M
Context Window1,048,5761,050,000
Max Output-128,000
Tool Calling✓✓
Structured Output-✓
Reasoning Mode✓✓
Vision✓✓
Audio✓-

Who wins by task?

TaskThinking Machines: InklingOpenAI: GPT-5.6 Terra Pro
SQL Generation 125 132
Code Review 128 132
Code Completion 119 116
Code Refactoring 132 136
Unit Test Generation 116 124
Code Documentation 131 128
Regex Writing 119 116
CI/CD Pipelines 116 120
Frontend Component Design 118 122
Data Analysis 120 124
CSV / Spreadsheet Cleanup 121 132
ETL Scripting 124 128
JSON Extraction 111 120
Bulk Data Labeling 116 116
OCR / Document Parsing 123 131
Table Extraction from PDFs 123 131
Long-Document Summarization 137 136
Short-Form Summarization 115 112
Blog Post Writing 121 120

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

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