head-to-head

OpenAI: GPT-5.6 Terra Pro vs OpenAI: GPT-5.6 Sol Pro

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-08-18.

OpenAI: GPT-5.6 Terra Pro OpenAI: GPT-5.6 Sol Pro
Vendoropenaiopenai
Quality Score100100
Input Price$2.00/M$2.50/M
Output Price$12.00/M$15.00/M
Context Window1,050,0001,050,000
Max Output128,000128,000
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio--

Who wins by task?

TaskOpenAI: GPT-5.6 Terra ProOpenAI: GPT-5.6 Sol Pro
SQL Generation 132 132
Code Completion 117 116
Code Documentation 129 128
Regex Writing 117 116
CSV / Spreadsheet Cleanup 132 132
JSON Extraction 121 120
Bulk Data Labeling 117 116
Long-Document Summarization 136 136
Short-Form Summarization 113 112
Blog Post Writing 120 120

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

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