XlsxWritervsxlwt
How 10 AI models weigh XlsxWriter against xlwt on the 1 buying question where both came up.
- XlsxWriter
- 100%of answers named it
- xlwt
- 60%of answers named it
- Placed higher
- 39–1times XlsxWriter vs xlwt, over 40 model rankings that listed either
- Models leaning
- 10–0toward XlsxWriter vs xlwt
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 | XlsxWriter | xlwt | Placed higher | Leans |
|---|---|---|---|---|
| Claude Haiku 5.5 | 100% | 13% | 4–0 | XlsxWriter |
| GPT-6 Luna | 100% | 13% | 4–0 | XlsxWriter |
| Gemini 4 Argon | 100% | 100% | 4–0 | XlsxWriter |
| Qwen 3.8 Flash | 100% | 0% | 4–0 | XlsxWriter |
| DeepSeek V4 Pro | 100% | 88% | 4–0 | XlsxWriter |
| GLM-5.3 | 100% | 63% | 4–0 | XlsxWriter |
| Kimi K3 | 100% | 75% | 4–0 | XlsxWriter |
| MiniMax M3 | 100% | 88% | 4–0 | XlsxWriter |
| Mistral Large 4 | 100% | 100% | 4–0 | XlsxWriter |
| Nemotron 3 Ultra | 100% | 63% | 3–1 | XlsxWriter |
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
What the models say about xlwt
One reason per model, from the shared questions
- GPT-6 Luna
Writes legacy .xls files when compatibility with old Excel is required.
- Gemini 4 Argon
Dependable tool for generating and formatting legacy xls files for older systems.
- DeepSeek V4 Pro
Write-only companion to xlrd for legacy .xls format generation.
- GLM-5.3
Writes legacy xls files; dated but occasionally needed.
- Kimi K3
Only practical writer for legacy .xls files when format is required.
- MiniMax M3
Lightweight writer for legacy .xls files, simple and stable.
- Mistral Large 4
Legacy option for writing old .xls format; largely superseded by XlsxWriter.
- Nemotron 3 Ultra
Write-only library for legacy .xls format, still needed for old systems
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 | XlsxWriter | xlwt |
|---|---|---|
| Best Python libraries for reading and editing Excel files | 100% #1 | 60% #8 |