head-to-head

Sakana: Fugu Max vs Anthropic: Claude Opus 5 (batch)

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

Sakana: Fugu Max Anthropic: Claude Opus 5 (batch)
Vendorsakanaanthropic
Quality Score100100
Benchmark Score-87.3
Input Price$2.00/M$2.50/M
Output Price$6.00/M$12.50/M
Context Window1,000,0001,000,000
Max Output128,000128,000
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio--
Benchmark Scores
ai_index-83.8

Who wins by task?

TaskSakana: Fugu MaxAnthropic: Claude Opus 5 (batch)
SQL Generation 133 142
Code Review 132 147
Code Completion 118 118
Code Refactoring 136 149
Bug Fixing 136 151
Unit Test Generation 124 134
Code Documentation 130 136
Regex Writing 118 125
CI/CD Pipelines 120 130
Frontend Component Design 122 132
Data Analysis 124 136
CSV / Spreadsheet Cleanup 133 135
ETL Scripting 128 139
JSON Extraction 122 121
Bulk Data Labeling 119 117
OCR / Document Parsing 131 135
Table Extraction from PDFs 131 135
Long-Document Summarization 137 149
Short-Form Summarization 114 117
Blog Post Writing 121 130

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

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