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

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

OpenAI: GPT-5.6 Terra OpenAI: GPT-5.6 Sol
Vendoropenaiopenai
Quality Score100100
Benchmark Score92.799.3
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--
Benchmark Scores
ai_index93.3100.0
ai_index_agentic82.895.3
ai_index_coding100.0100.0

Who wins by task?

TaskOpenAI: GPT-5.6 TerraOpenAI: GPT-5.6 Sol
SQL Generation 172 174
Code Review 169 171
Code Completion 119 118
Code Refactoring 165 167
Bug Fixing 183 187
Unit Test Generation 155 157
Code Documentation 142 142
Regex Writing 135 136
CI/CD Pipelines 146 147
Frontend Component Design 148 149
Data Analysis 173 177
CSV / Spreadsheet Cleanup 153 154
ETL Scripting 155 157
JSON Extraction 138 138
Bulk Data Labeling 123 122
OCR / Document Parsing 147 147
Table Extraction from PDFs 147 147
Long-Document Summarization 160 162
Short-Form Summarization 122 122
Blog Post Writing 140 142

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

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