head-to-head

Google: Gemini 3.1 Flash Lite Preview vs Anthropic: Claude Sonnet 4.6

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-05-12.

	Google: Gemini 3.1 Flash Lite Preview	Anthropic: Claude Sonnet 4.6
Vendor	google	anthropic
Quality Score	100	100
Benchmark Score	-	80.0
Input Price	$0.25/M	$3.00/M
Output Price	$1.50/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	-	85.3
ai_index_agentic	-	100.0
ai_index_coding	-	84.1
aider_polyglot	-	61.3

Who wins by task?

Task	Google: Gemini 3.1 Flash Lite Preview	Anthropic: Claude Sonnet 4.6
SQL Generation	133	181
Code Review	132	177
Code Completion	131	118
Code Refactoring	136	172
Bug Fixing	136	194
Unit Test Generation	124	163
Code Documentation	131	144
Regex Writing	119	139
CI/CD Pipelines	120	152
Frontend Component Design	122	153
Data Analysis	124	184
CSV / Spreadsheet Cleanup	133	158
ETL Scripting	128	162
JSON Extraction	131	141
Bulk Data Labeling	129	123
OCR / Document Parsing	131	150
Table Extraction from PDFs	131	150
Long-Document Summarization	137	166
Short-Form Summarization	123	123
Blog Post Writing	121	145

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