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OpenAI: GPT-5.6 Terra (batch) 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 (batch) OpenAI: GPT-5.6 Sol
Vendoropenaiopenai
Quality Score100100
Benchmark Score92.799.3
Input Price$1.00/M$2.50/M
Output Price$6.00/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 Terra (batch)OpenAI: GPT-5.6 Sol
SQL Generation 173 174
Code Review 169 171
Code Completion 120 118
Code Refactoring 165 167
Bug Fixing 183 187
Unit Test Generation 155 157
Code Documentation 143 142
Regex Writing 136 136
CI/CD Pipelines 146 147
Frontend Component Design 148 149
Data Analysis 173 177
CSV / Spreadsheet Cleanup 154 154
ETL Scripting 155 157
JSON Extraction 140 138
Bulk Data Labeling 125 122
OCR / Document Parsing 147 147
Table Extraction from PDFs 147 147
Long-Document Summarization 161 162
Short-Form Summarization 123 122
Blog Post Writing 141 142

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

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