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Thinking Machines: Inkling vs OpenAI: GPT-5.5 (batch)

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-07-29.

Thinking Machines: Inkling OpenAI: GPT-5.5 (batch)
Vendorthinkingmachinesopenai
Quality Score100100
Benchmark Score69.792.6
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✓-
Benchmark Scores
ai_index67.290.5
ai_index_agentic53.474.0
ai_index_coding85.9100.0
eqbench-82.4

Who wins by task?

TaskThinking Machines: InklingOpenAI: GPT-5.5 (batch)
SQL Generation 155 176
Code Review 155 177
Code Completion 120 120
Code Refactoring 154 175
Bug Fixing 170 190
Unit Test Generation 140 160
Code Documentation 140 147
Regex Writing 132 137
CI/CD Pipelines 135 150
Frontend Component Design 137 150
Data Analysis 156 175
CSV / Spreadsheet Cleanup 138 158
ETL Scripting 144 163
JSON Extraction 125 137
Bulk Data Labeling 121 122
OCR / Document Parsing 136 149
Table Extraction from PDFs 136 149
Long-Document Summarization 154 169
Short-Form Summarization 121 122
Blog Post Writing 136 145

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

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