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Google: Gemini 3.6 Flash vs Anthropic: Claude Opus 4.8 (batch)

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-07-30.

Google: Gemini 3.6 Flash Anthropic: Claude Opus 4.8 (batch)
Vendorgoogleanthropic
Quality Score100100
Benchmark Score83.994.3
Input Price$1.50/M$2.50/M
Output Price$7.50/M$12.50/M
Context Window1,048,5761,000,000
Max Output65,536128,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio✓-
Benchmark Scores
ai_index82.691.9
ai_index_agentic63.977.8
ai_index_coding100.0100.0
eqbench-83.3

Who wins by task?

TaskGoogle: Gemini 3.6 FlashAnthropic: Claude Opus 4.8 (batch)
SQL Generation 169 177
Code Review 165 178
Code Completion 119 121
Code Refactoring 162 176
Bug Fixing 177 191
Unit Test Generation 153 161
Code Documentation 141 148
Regex Writing 134 138
CI/CD Pipelines 143 151
Frontend Component Design 145 150
Data Analysis 167 176
CSV / Spreadsheet Cleanup 153 158
ETL Scripting 153 163
JSON Extraction 139 138
Bulk Data Labeling 124 123
OCR / Document Parsing 146 149
Table Extraction from PDFs 146 149
Long-Document Summarization 158 170
Short-Form Summarization 122 123
Blog Post Writing 138 146

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

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