head-to-head

Google: Gemini 3.5 Flash vs Anthropic Claude Sonnet Latest

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-06-12.

	Google: Gemini 3.5 Flash	Anthropic Claude Sonnet Latest
Vendor	google	~anthropic
Quality Score	100	100
Benchmark Score	88.3	-
Input Price	$1.50/M	$3.00/M
Output Price	$9.00/M	$15.00/M
Context Window	1,048,576	1,000,000
Max Output	65,536	128,000
Tool Calling	✓	✓
Structured Output	✓	✓
Reasoning Mode	✓	✓
Vision	✓	✓
Audio	✓	-
Benchmark Scores
ai_index	91.3	-
ai_index_agentic	100.0	-
ai_index_coding	74.2	-

Who wins by task?

Task	Google: Gemini 3.5 Flash	Anthropic Claude Sonnet Latest
SQL Generation	170	132
Code Review	167	132
Code Completion	119	116
Code Refactoring	164	136
Bug Fixing	183	136
Unit Test Generation	153	124
Code Documentation	142	128
Regex Writing	136	116
CI/CD Pipelines	144	120
Frontend Component Design	146	122
Data Analysis	172	124
CSV / Spreadsheet Cleanup	150	132
ETL Scripting	154	128
JSON Extraction	136	120
Bulk Data Labeling	123	116
OCR / Document Parsing	145	131
Table Extraction from PDFs	145	131
Long-Document Summarization	160	136
Short-Form Summarization	122	112
Blog Post Writing	140	120

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