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OpenAI: GPT-6 Sol Pro (batch) vs Anthropic: Claude Opus 5.5 (batch)

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-23.

OpenAI: GPT-6 Sol Pro (batch) Anthropic: Claude Opus 5.5 (batch)
Vendoropenaianthropic
Quality Score100100
Benchmark Score-100.0
Input Price$1.00/M$2.00/M
Output Price$5.00/M$10.00/M
Context Window1,050,0001,000,000
Max Output128,000128,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index-95.1

Who wins by task?

TaskOpenAI: GPT-6 Sol Pro (batch)Anthropic: Claude Opus 5.5 (batch)
SQL Generation 133 144
Code Review 132 150
Code Completion 118 119
Code Refactoring 136 151
Bug Fixing 136 154
Unit Test Generation 124 135
Code Documentation 130 138
Regex Writing 118 127
CI/CD Pipelines 120 131
Frontend Component Design 122 133
Data Analysis 124 138
CSV / Spreadsheet Cleanup 133 136
ETL Scripting 128 141
JSON Extraction 122 121
Bulk Data Labeling 120 118
OCR / Document Parsing 131 135
Table Extraction from PDFs 131 135
Long-Document Summarization 137 152
Short-Form Summarization 114 118
Blog Post Writing 121 132

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

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