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

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

Thinking Machines: Inkling OpenAI: GPT-5.6 Luna (batch)
Vendorthinkingmachinesopenai
Quality Score100100
Benchmark Score70.588.2
Input Price$0.95/M$0.10/M
Output Price$4.05/M$0.60/M
Context Window1,048,5761,050,000
Max Output262,144128,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio✓-
Benchmark Scores
ai_index69.886.3
ai_index_agentic56.377.4
ai_index_coding85.9100.0

Who wins by task?

TaskThinking Machines: InklingOpenAI: GPT-5.6 Luna (batch)
SQL Generation 164 172
Code Review 160 167
Code Completion 132 133
Code Refactoring 158 164
Bug Fixing 171 180
Unit Test Generation 148 154
Code Documentation 140 143
Regex Writing 132 137
CI/CD Pipelines 140 144
Frontend Component Design 142 146
Data Analysis 161 171
CSV / Spreadsheet Cleanup 150 154
ETL Scripting 149 154
JSON Extraction 145 149
Bulk Data Labeling 133 135
OCR / Document Parsing 144 146
Table Extraction from PDFs 144 146
Long-Document Summarization 155 160
Short-Form Summarization 129 132
Blog Post Writing 136 140

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

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