Python calaminevsxlrd
How 10 AI models weigh Python calamine against xlrd on the 1 buying question where both came up.
- Python calamine
- 43%of answers named it
- xlrd
- 98%of answers named it
- Placed higher
- 6–34times Python calamine vs xlrd, over 40 model rankings that listed either
- Models leaning
- 1–8toward Python calamine vs xlrd; 1 even
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 | xlrd | Placed higher | Leans |
|---|---|---|---|---|
| Claude Haiku 5.5 | 75% | 100% | 0–4 | xlrd |
| GPT-6 Luna | 63% | 88% | 3–1 | Python calamine |
| Gemini 4 Argon | 0% | 100% | 0–4 | xlrd |
| Qwen 3.8 Flash | 75% | 88% | 1–3 | xlrd |
| DeepSeek V4 Pro | 25% | 100% | 0–4 | xlrd |
| GLM-5.3 | 63% | 100% | 2–2 | Even |
| Kimi K3 | 63% | 100% | 0–4 | xlrd |
| MiniMax M3 | 25% | 100% | 0–4 | xlrd |
| Mistral Large 4 | 38% | 100% | 0–4 | xlrd |
| Nemotron 3 Ultra | 0% | 100% | 0–4 | xlrd |
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 xlrd
One reason per model, from the shared questions
- Claude Haiku 5.5
Classic reader for legacy xls files; reading xlsx support was removed.
- GPT-6 Luna
A lightweight reader for older .xls files; limited to reading.
- Gemini 4 Argon
The reliable standard for extracting data from legacy xls spreadsheets.
- Qwen 3.8 Flash
Classic reader, still needed for legacy .xls files.
- DeepSeek V4 Pro
Classic .xls reader; still essential for legacy Excel 97-2003 files.
- GLM-5.3
Handles legacy xls files well.
- Kimi K3
Still the go-to for legacy .xls files, read-only but reliable.
- MiniMax M3
Classic reader for legacy .xls files, still widely used.
- Mistral Large 4
Still useful for reading legacy .xls files, though .xlsx support was removed.
- Nemotron 3 Ultra
Classic for reading legacy .xls files only
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 | xlrd |
|---|---|---|
| Best Python libraries for reading and editing Excel files | 43% #9 | 98% #4 |