head-to-head

OpenAI: GPT-6.1 Sol Pro (batch) vs Sakana: Fugu Max

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-30.

OpenAI: GPT-6.1 Sol Pro (batch) Sakana: Fugu Max
Vendoropenaisakana
Quality Score100100
Input Price$1.00/M$2.00/M
Output Price$5.00/M$6.00/M
Context Window1,050,0001,000,000
Max Output128,000128,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, GPT-6.1 Sol Pro (batch) costs $2.25 and Fugu Max costs $3.50, so GPT-6.1 Sol Pro (batch) is about 1.6 times cheaper for the same work.

Both take in a similar amount of text: 1,050,000 and 1,000,000 tokens, about 1,575 and 1,500 pages.

Across the 10 tasks where they differ, GPT-6.1 Sol Pro (batch) scores higher on 10 (SQL Generation, Code Completion, Code Documentation and others).

Pick GPT-6.1 Sol Pro (batch) if you need lower cost or the stronger all-round task scores.

Costs use current list prices per million tokens; page counts assume about 0.75 words per token and 500 words per page.

Who wins by task?

TaskOpenAI: GPT-6.1 Sol Pro (batch)Sakana: Fugu Max
SQL Generation 133 133
Code Completion 118 118
Code Documentation 130 130
Regex Writing 118 118
CSV / Spreadsheet Cleanup 133 133
JSON Extraction 122 122
Bulk Data Labeling 120 119
Long-Document Summarization 137 137
Short-Form Summarization 114 114
Blog Post Writing 121 121

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

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