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

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-08-13.

Google: Gemini 3.6 Flash (batch) Anthropic: Claude Opus 4.8 (batch)
Vendorgoogleanthropic
Quality Score100100
Benchmark Score84.494.7
Input Price$0.75/M$2.50/M
Output Price$3.75/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_index85.194.6
ai_index_agentic66.881.5
ai_index_coding100.0100.0
eqbench-83.3

Who wins by task?

TaskGoogle: Gemini 3.6 Flash (batch)Anthropic: Claude Opus 4.8 (batch)
SQL Generation 170 178
Code Review 165 179
Code Completion 132 121
Code Refactoring 163 176
Bug Fixing 178 193
Unit Test Generation 153 161
Code Documentation 142 148
Regex Writing 135 138
CI/CD Pipelines 143 151
Frontend Component Design 145 151
Data Analysis 168 178
CSV / Spreadsheet Cleanup 154 158
ETL Scripting 153 164
JSON Extraction 148 138
Bulk Data Labeling 134 123
OCR / Document Parsing 146 149
Table Extraction from PDFs 146 149
Long-Document Summarization 159 171
Short-Form Summarization 131 123
Blog Post Writing 139 146

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

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