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Anthropic: Claude Sonnet 5 vs OpenAI: GPT-5.4 Mini

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-07-01.

Anthropic: Claude Sonnet 5 OpenAI: GPT-5.4 Mini
Vendoranthropicopenai
Quality Score100100
Benchmark Score-71.2
Input Price$2.00/M$0.75/M
Output Price$10.00/M$4.50/M
Context Window1,000,000400,000
Max Output128,000128,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index-66.0
ai_index_agentic-49.8
ai_index_coding-92.5

Who wins by task?

TaskAnthropic: Claude Sonnet 5OpenAI: GPT-5.4 Mini
SQL Generation 132 164
Code Review 132 159
Code Completion 117 132
Code Refactoring 136 158
Bug Fixing 136 170
Unit Test Generation 124 148
Code Documentation 129 140
Regex Writing 117 132
CI/CD Pipelines 120 139
Frontend Component Design 122 141
Data Analysis 124 160
CSV / Spreadsheet Cleanup 132 151
ETL Scripting 128 149
JSON Extraction 121 146
Bulk Data Labeling 118 133
OCR / Document Parsing 131 144
Table Extraction from PDFs 131 144
Long-Document Summarization 136 154
Short-Form Summarization 113 129
Blog Post Writing 120 136

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

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