ExcelWritervsopenpyxl
How 10 AI models weigh ExcelWriter against openpyxl on the 1 buying question where both came up.
- ExcelWriter
- 1%of answers named it
- openpyxl
- 100%of answers named it
- Placed higher
- 0–40times ExcelWriter vs openpyxl, over 40 model rankings that listed either
- Models leaning
- 0–10toward ExcelWriter vs openpyxl
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 | ExcelWriter | openpyxl | Placed higher | Leans |
|---|---|---|---|---|
| Claude Haiku 5.5 | 0% | 100% | 0–4 | openpyxl |
| GPT-6 Luna | 0% | 100% | 0–4 | openpyxl |
| Gemini 4 Argon | 0% | 100% | 0–4 | openpyxl |
| Qwen 3.8 Flash | 0% | 100% | 0–4 | openpyxl |
| DeepSeek V4.1 Flash | 0% | 100% | 0–4 | openpyxl |
| GLM-5.3 | 0% | 100% | 0–4 | openpyxl |
| Kimi K3 | 0% | 100% | 0–4 | openpyxl |
| MiniMax M3 | 0% | 100% | 0–4 | openpyxl |
| Mistral Large 4 | 0% | 100% | 0–4 | openpyxl |
| Nemotron 3.5 Super VL | 13% | 100% | 0–4 | openpyxl |
What the models say about ExcelWriter
One reason per model, from the shared questions
No reasons given.
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
Over time
Share of answers that named each, on the questions where both came up, each time the panel answered
| Panel run | ExcelWriter | openpyxl |
|---|---|---|
| October 26, 2026 | 1% | 100% |
| October 25, 2026 | 0% | 100% |
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 | ExcelWriter | openpyxl |
|---|---|---|
| Best Python libraries for reading and editing Excel files | 1% #29 | 100% #1 |
| Best SDKs for AI agents that handle Office and PDF files | · | 28% #7 |
| Best Python libraries for PowerPoint files | · | 21% #10 |