openpyxlvspandas ExcelFile via calamine
How 10 AI models weigh openpyxl against pandas ExcelFile via calamine on the 1 buying question where both came up.
- openpyxl
- 100%of answers named it
- pandas ExcelFile via calamine
- 1%of answers named it
- Placed higher
- 40–0times openpyxl vs pandas ExcelFile via calamine, over 40 model rankings that listed either
- Models leaning
- 10–0toward openpyxl vs pandas ExcelFile via calamine
Which models prefer which
Share of each model's answers that named each product, and how often its ranking put one above the other (a product listed beats one left off) · On the 1 shared question, every wording
| Model | openpyxl | pandas ExcelFile via calamine | Placed higher | Leans |
|---|---|---|---|---|
| Claude Haiku 5.5 | 100% | 0% | 4–0 | openpyxl |
| GPT-6 Luna | 100% | 0% | 4–0 | openpyxl |
| Gemini 4 Argon | 100% | 0% | 4–0 | openpyxl |
| Qwen 3.8 Flash | 100% | 0% | 4–0 | openpyxl |
| DeepSeek V4.1 Flash | 100% | 0% | 4–0 | openpyxl |
| GLM-5.3 | 100% | 13% | 4–0 | openpyxl |
| Kimi K3 | 100% | 0% | 4–0 | openpyxl |
| MiniMax M3 | 100% | 0% | 4–0 | openpyxl |
| Mistral Large 4 | 100% | 0% | 4–0 | openpyxl |
| Nemotron 3.5 Super VL | 100% | 0% | 4–0 | openpyxl |
What the models say about openpyxl
One reason per model, from the shared questions
- Claude Haiku 5.5
Most popular pure-Python library for reading and editing xlsx files with formatting.
- GPT-6 Luna
Best general-purpose choice for reading and editing modern .xlsx files with a clear, mature API.
- Gemini 4 Argon
The gold standard for comprehensive reading, editing, and formatting of modern xlsx files.
- Qwen 3.8 Flash
De facto standard for reading and writing .xlsx files in Python.
- DeepSeek V4.1 Flash
The default: reads and writes xlsx with full styling control.
- GLM-5.3
Best-in-class engine for reading/writing xlsx with rich formatting and performance.
- Kimi K3
The gold standard for full xlsx read/write control without Excel installed.
- MiniMax M3
De facto standard for reading/writing modern .xlsx files.
- Mistral Large 4
The go-to standard for reading and writing .xlsx files in pure Python.
- Nemotron 3.5 Super VL
Standard for reading/writing .xlsx with formatting and formulas
What the models say about pandas ExcelFile via calamine
One reason per model, from the shared questions
No reasons given.
Question by question
Share of all answers that named each, every wording pooled, with its place among every product named · Both-named questions first
| Question | openpyxl | pandas ExcelFile via calamine |
|---|---|---|
| Best Python libraries for reading and editing Excel files | 100% #1 | 1% #29 |
| Best SDKs for AI agents that handle Office and PDF files | 28% #9 | · |
| Best Python libraries for PowerPoint files | 21% #10 | · |