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Claude Opus 5 (batch) vs OpenAI: GPT-5.6 Sol Pro (batch)

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

Claude Opus 5 (batch) OpenAI: GPT-5.6 Sol Pro (batch)
Vendoranthropicopenai
Quality Score100100
Benchmark Score100.0-
Input Price$2.50/M$2.50/M
Output Price$12.50/M$15.00/M
Context Window1,000,0001,050,000
Max Output128,000128,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index100.0-
ai_index_agentic97.6-
ai_index_coding100.0-

Who wins by task?

TaskClaude Opus 5 (batch)OpenAI: GPT-5.6 Sol Pro (batch)
SQL Generation 175 132
Code Review 171 132
Code Completion 119 116
Code Refactoring 167 136
Bug Fixing 187 136
Unit Test Generation 157 124
Code Documentation 142 128
Regex Writing 136 116
CI/CD Pipelines 147 120
Frontend Component Design 149 122
Data Analysis 177 124
CSV / Spreadsheet Cleanup 154 132
ETL Scripting 157 128
JSON Extraction 138 120
Bulk Data Labeling 123 116
OCR / Document Parsing 148 131
Table Extraction from PDFs 148 131
Long-Document Summarization 162 136
Short-Form Summarization 122 112
Blog Post Writing 142 120

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

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