Python calaminevsXlsxWriter
How 10 AI models weigh Python calamine against XlsxWriter on the 1 buying question where both came up.
- Python calamine
- 43%of answers named it
- XlsxWriter
- 100%of answers named it
- Placed higher
- 0–40times Python calamine vs XlsxWriter, over 40 model rankings that listed either
- Models leaning
- 0–10toward Python calamine vs XlsxWriter
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 | Python calamine | XlsxWriter | Placed higher | Leans |
|---|---|---|---|---|
| Claude Haiku 5.5 | 75% | 100% | 0–4 | XlsxWriter |
| GPT-6 Luna | 63% | 100% | 0–4 | XlsxWriter |
| Gemini 4 Argon | 0% | 100% | 0–4 | XlsxWriter |
| Qwen 3.8 Flash | 75% | 100% | 0–4 | XlsxWriter |
| DeepSeek V4 Pro | 25% | 100% | 0–4 | XlsxWriter |
| GLM-5.3 | 63% | 100% | 0–4 | XlsxWriter |
| Kimi K3 | 63% | 100% | 0–4 | XlsxWriter |
| MiniMax M3 | 25% | 100% | 0–4 | XlsxWriter |
| Mistral Large 4 | 38% | 100% | 0–4 | XlsxWriter |
| Nemotron 3 Ultra | 0% | 100% | 0–4 | XlsxWriter |
What the models say about Python calamine
One reason per model, from the shared questions
- Claude Haiku 5.5
Very fast Rust-based reader for xlsx and xls files.
- GPT-6 Luna
Fast reader for .xls, .xlsx, .xlsm, and .xlsb files, with broad format support.
- Qwen 3.8 Flash
Fastest reader for large xls/xlsx/xlsb files.
- DeepSeek V4 Pro
Blazing fast reading via Rust-backed Calamine engine, ideal for huge datasets.
- GLM-5.3
High-performance reader for legacy xls and ods formats.
- Kimi K3
Extremely fast Rust-based reader supporting xlsx, xls, xlsb, and ods.
- MiniMax M3
Rust-backed fast reader supporting xlsx, xls, ods, and more.
- Mistral Large 4
Blazing-fast Rust-based reader for all Excel formats; great for performance-critical apps.
What the models say about XlsxWriter
One reason per model, from the shared questions
- Claude Haiku 5.5
Excellent for creating rich, formatted new xlsx files; write-only though.
- GPT-6 Luna
Best for creating polished .xlsx workbooks, charts, formatting, and formulas; not for reading.
- Gemini 4 Argon
Superior performance and formatting features when creating complex, chart-heavy Excel files from scratch.
- Qwen 3.8 Flash
Best-in-class for writing rich, formatted xlsx output.
- DeepSeek V4 Pro
Fastest .xlsx creation with rich formatting, charts, and conditional formatting.
- GLM-5.3
Fast, low-memory streaming writer for large xlsx files.
- Kimi K3
Fastest, richest formatting for writing new Excel files from scratch.
- MiniMax M3
Fastest writer, rich formatting and chart support for new files.
- Mistral Large 4
Best for creating Excel files with advanced formatting, charts, and formulas.
- Nemotron 3 Ultra
Excellent for creating formatted .xlsx files fast
Tracked since October 25, 2026. Each time the panel answers these questions again, both shares are added here.
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 | Python calamine | XlsxWriter |
|---|---|---|
| Best Python libraries for reading and editing Excel files | 43% #9 | 100% #1 |