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

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

Thinking Machines: Inkling OpenAI: GPT-5.6 Terra (batch)
Vendorthinkingmachinesopenai
Quality Score100100
Benchmark Score70.592.7
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_index69.893.3
ai_index_agentic56.382.8
ai_index_coding85.9100.0

Who wins by task?

TaskThinking Machines: InklingOpenAI: GPT-5.6 Terra (batch)
SQL Generation 164 173
Code Review 160 169
Code Completion 132 120
Code Refactoring 158 165
Bug Fixing 171 183
Unit Test Generation 148 155
Code Documentation 140 143
Regex Writing 132 136
CI/CD Pipelines 140 146
Frontend Component Design 142 148
Data Analysis 161 173
CSV / Spreadsheet Cleanup 150 154
ETL Scripting 149 155
JSON Extraction 145 140
Bulk Data Labeling 133 125
OCR / Document Parsing 144 147
Table Extraction from PDFs 144 147
Long-Document Summarization 155 161
Short-Form Summarization 129 123
Blog Post Writing 136 141

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

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