head-to-head

OpenAI: GPT-6 Luna Pro (batch) vs Sakana: Fugu Max

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

OpenAI: GPT-6 Luna Pro (batch) Sakana: Fugu Max
Vendoropenaisakana
Quality Score100100
Input Price$0.05/M$2.00/M
Output Price$0.25/M$6.00/M
Context Window1,050,0001,000,000
Max Output128,000128,000
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio--

Who wins by task?

TaskOpenAI: GPT-6 Luna Pro (batch)Sakana: Fugu Max
SQL Generation 134 133
Code Completion 131 118
Code Documentation 131 130
Regex Writing 119 118
CSV / Spreadsheet Cleanup 134 133
JSON Extraction 131 122
Bulk Data Labeling 129 119
Long-Document Summarization 138 137
Short-Form Summarization 123 114
Blog Post Writing 122 121

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

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