fastexcelvspyexcel
How 10 AI models weigh fastexcel against pyexcel on the 1 buying question where both came up.
- fastexcel
- 1%of answers named it
- pyexcel
- 78%of answers named it
- Placed higher
- 1–33times fastexcel vs pyexcel, over 34 model rankings that listed either
- Models leaning
- 0–10toward fastexcel vs pyexcel
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 | fastexcel | pyexcel | Placed higher | Leans |
|---|---|---|---|---|
| Claude Haiku 5.5 | 0% | 100% | 0–4 | pyexcel |
| GPT-6 Luna | 0% | 88% | 0–3 | pyexcel |
| Gemini 4 Argon | 0% | 100% | 0–3 | pyexcel |
| Qwen 3.8 Flash | 0% | 25% | 0–2 | pyexcel |
| DeepSeek V4 Pro | 0% | 75% | 0–4 | pyexcel |
| GLM-5.3 | 13% | 88% | 1–3 | pyexcel |
| Kimi K3 | 0% | 63% | 0–3 | pyexcel |
| MiniMax M3 | 0% | 100% | 0–4 | pyexcel |
| Mistral Large 4 | 0% | 38% | 0–3 | pyexcel |
| Nemotron 3 Ultra | 0% | 100% | 0–4 | pyexcel |
What the models say about fastexcel
One reason per model, from the shared questions
- GLM-5.3
Rust-powered calamine wrapper; extremely fast xlsx/xlsb reading for pandas.
What the models say about pyexcel
One reason per model, from the shared questions
- Claude Haiku 5.5
Unified API across xls, xlsx, ods and csv formats with simple syntax.
- GPT-6 Luna
Convenient unified interface for basic spreadsheet reading and writing across formats.
- Gemini 4 Argon
Provides a simple, unified API for handling spreadsheet data across multiple file formats.
- Qwen 3.8 Flash
Unified API across libraries; handy when format support varies.
- DeepSeek V4 Pro
Unified API across .xlsx, .xls, .csv; great for simple multi-format workflows.
- GLM-5.3
Unified interface across many spreadsheet formats.
- Kimi K3
Simple unified API across many spreadsheet formats for quick conversions.
- MiniMax M3
Unified API across xlsx, xls, ods, csv formats with one call.
- Mistral Large 4
Unified API for reading and writing multiple spreadsheet formats including Excel.
- Nemotron 3 Ultra
Unified API supporting many Excel formats
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 | fastexcel | pyexcel |
|---|---|---|
| Best Python libraries for reading and editing Excel files | 1% #29 | 78% #6 |