pyxlsbvsxlrd
How 10 AI models weigh pyxlsb against xlrd on the 1 buying question where both came up.
- pyxlsb
- 63%of answers named it
- xlrd
- 98%of answers named it
- Placed higher
- 10–29times pyxlsb vs xlrd, over 39 model rankings that listed either
- Models leaning
- 2–8toward pyxlsb vs xlrd
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 | pyxlsb | xlrd | Placed higher | Leans |
|---|---|---|---|---|
| Claude Haiku 5.5 | 50% | 100% | 0–4 | xlrd |
| GPT-6 Luna | 88% | 88% | 3–0 | pyxlsb |
| Gemini 4 Argon | 100% | 100% | 4–0 | pyxlsb |
| Qwen 3.8 Flash | 25% | 88% | 1–3 | xlrd |
| DeepSeek V4 Pro | 63% | 100% | 1–3 | xlrd |
| GLM-5.3 | 25% | 100% | 0–4 | xlrd |
| Kimi K3 | 100% | 100% | 1–3 | xlrd |
| MiniMax M3 | 75% | 100% | 0–4 | xlrd |
| Mistral Large 4 | 100% | 100% | 0–4 | xlrd |
| Nemotron 3 Ultra | 0% | 100% | 0–4 | xlrd |
What the models say about pyxlsb
One reason per model, from the shared questions
- Claude Haiku 5.5
Reads binary xlsb workbooks that most other libraries cannot open.
- GPT-6 Luna
Specialized option for reading legacy .xlsb workbooks efficiently.
- Gemini 4 Argon
Essential specialized library for reading data quickly from binary xlsb Excel workbooks.
- Qwen 3.8 Flash
Simple dedicated reader for binary xlsb workbooks.
- DeepSeek V4 Pro
Top pick for reading binary .xlsb files, much faster than OOXML for large data.
- Kimi K3
Only solid choice for reading Excel binary .xlsb files.
- MiniMax M3
Specialized reader for binary .xlsb Excel format efficiently.
- Mistral Large 4
Specialized for reading Excel binary .xlsb workbooks that other libraries can't handle.
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 | pyxlsb | xlrd |
|---|---|---|
| Best Python libraries for reading and editing Excel files | 63% #7 | 98% #4 |