head-to-head

Anthropic: Claude Opus 5 (batch) vs Google: Gemini 3.5 Flash Lite

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

Anthropic: Claude Opus 5 (batch) Google: Gemini 3.5 Flash Lite
Vendoranthropicgoogle
Quality Score100100
Benchmark Score87.334.2
Input Price$2.50/M$0.30/M
Output Price$12.50/M$2.50/M
Context Window1,000,0001,048,576
Max Output128,00065,536
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio-
Benchmark Scores
ai_index83.836.6

Who wins by task?

TaskAnthropic: Claude Opus 5 (batch)Google: Gemini 3.5 Flash Lite
SQL Generation 142 138
Code Review 147 139
Code Completion 118 132
Code Refactoring 149 141
Bug Fixing 151 143
Unit Test Generation 134 128
Code Documentation 136 134
Regex Writing 125 123
CI/CD Pipelines 130 124
Frontend Component Design 132 126
Data Analysis 136 129
CSV / Spreadsheet Cleanup 135 135
ETL Scripting 139 133
JSON Extraction 121 131
Bulk Data Labeling 117 129
OCR / Document Parsing 135 132
Table Extraction from PDFs 135 132
Long-Document Summarization 149 143
Short-Form Summarization 117 125
Blog Post Writing 130 126

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

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