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Thinking Machines: Inkling 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 OpenAI: GPT-5.6 Terra Pro (batch)
Vendorthinkingmachinesopenai
Quality Score100100
Benchmark Score70.5-
Input Price$0.95/M$1.00/M
Output Price$4.05/M$6.00/M
Context Window1,048,5761,050,000
Max Output262,144128,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio✓-
Benchmark Scores
ai_index69.8-
ai_index_agentic56.3-
ai_index_coding85.9-

Who wins by task?

TaskThinking Machines: InklingOpenAI: GPT-5.6 Terra Pro (batch)
SQL Generation 164 133
Code Review 160 132
Code Completion 132 118
Code Refactoring 158 136
Bug Fixing 171 136
Unit Test Generation 148 124
Code Documentation 140 130
Regex Writing 132 118
CI/CD Pipelines 140 120
Frontend Component Design 142 122
Data Analysis 161 124
CSV / Spreadsheet Cleanup 150 133
ETL Scripting 149 128
JSON Extraction 145 122
Bulk Data Labeling 133 119
OCR / Document Parsing 144 131
Table Extraction from PDFs 144 131
Long-Document Summarization 155 137
Short-Form Summarization 129 114
Blog Post Writing 136 121

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

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