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 2026-06-23.

	Google: Gemini 3.5 Flash	Anthropic Claude Sonnet Latest
Vendor	google	~anthropic
Quality Score	100	100
Benchmark Score	84.5	-
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	82.8	-
ai_index_agentic	61.8	-
ai_index_coding	100.0	-

Who wins by task?

Task	Google: Gemini 3.5 Flash	Anthropic Claude Sonnet Latest
SQL Generation	168	132
Code Review	164	132
Code Completion	119	116
Code Refactoring	162	136
Bug Fixing	176	136
Unit Test Generation	152	124
Code Documentation	141	128
Regex Writing	133	116
CI/CD Pipelines	143	120
Frontend Component Design	145	122
Data Analysis	167	124
CSV / Spreadsheet Cleanup	153	132
ETL Scripting	152	128
JSON Extraction	138	120
Bulk Data Labeling	124	116
OCR / Document Parsing	146	131
Table Extraction from PDFs	146	131
Long-Document Summarization	157	136
Short-Form Summarization	121	112
Blog Post Writing	138	120

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