head-to-head

OpenAI: GPT-6.1 Sol (batch) vs Space Bunny Alpha

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

OpenAI: GPT-6.1 Sol (batch) Space Bunny Alpha
Vendoropenaistealth
Quality Score100100
Benchmark Score89.2-
Input Price$1.00/MFree
Output Price$5.00/MFree
Context Window1,050,0001,000,000
Max Output128,000524,288
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index85.5-

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, Space Bunny Alpha costs $0 and GPT-6.1 Sol (batch) costs $2.25, so Space Bunny Alpha is free 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.

Only Space Bunny Alpha offers video input.

Across the 20 tasks where they differ, GPT-6.1 Sol (batch) scores higher on 16 (SQL Generation, Code Review, Code Refactoring and others), Space Bunny Alpha on 4 (Code Completion, JSON Extraction, Bulk Data Labeling and others).

Pick GPT-6.1 Sol (batch) if you need the stronger all-round task scores; pick Space Bunny Alpha if you need lower cost or video input.

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 (batch)Space Bunny Alpha
SQL Generation 143 134
Code Review 148 132
Code Completion 120 132
Code Refactoring 149 136
Bug Fixing 152 136
Unit Test Generation 134 124
Code Documentation 138 132
Regex Writing 127 120
CI/CD Pipelines 130 120
Frontend Component Design 132 122
Data Analysis 136 124
CSV / Spreadsheet Cleanup 136 134
ETL Scripting 140 128
JSON Extraction 122 132
Bulk Data Labeling 120 130
OCR / Document Parsing 135 131
Table Extraction from PDFs 135 131
Long-Document Summarization 151 138
Short-Form Summarization 119 124
Blog Post Writing 131 122

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

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