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Google: Gemini 3.6 Flash vs Anthropic: Claude Sonnet 5

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

Google: Gemini 3.6 Flash Anthropic: Claude Sonnet 5
Vendorgoogleanthropic
Quality Score100100
Benchmark Score56.163.9
Input Price$0.75/M$2.00/M
Output Price$3.75/M$10.00/M
Context Window1,048,5761,000,000
Max Output65,536128,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio✓-
Benchmark Scores
ai_index56.163.0

Who wins by task?

TaskGoogle: Gemini 3.6 FlashAnthropic: Claude Sonnet 5
SQL Generation 140 140
Code Review 142 144
Code Completion 132 118
Code Refactoring 145 146
Bug Fixing 146 148
Unit Test Generation 130 131
Code Documentation 136 135
Regex Writing 124 123
CI/CD Pipelines 126 127
Frontend Component Design 128 129
Data Analysis 132 133
CSV / Spreadsheet Cleanup 135 135
ETL Scripting 135 136
JSON Extraction 131 121
Bulk Data Labeling 128 118
OCR / Document Parsing 133 134
Table Extraction from PDFs 133 134
Long-Document Summarization 146 146
Short-Form Summarization 125 116
Blog Post Writing 128 128

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

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