calaminevsXlsxWriter

How 10 AI models weigh calamine against XlsxWriter on the 1 buying question where both came up.

calamine: 13%of answers named it
XlsxWriter: 100%of answers named it
Placed higher: 0–40times calamine vs XlsxWriter, over 40 model rankings that listed either
Models leaning: 0–10toward 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	calamine	XlsxWriter	Placed higher	Leans
Claude Haiku 5.5	13%	100%	0–4	XlsxWriter
GPT-6 Luna	25%	100%	0–4	XlsxWriter
Gemini 4 Argon	13%	100%	0–4	XlsxWriter
Qwen 3.8 Flash	25%	100%	0–4	XlsxWriter
DeepSeek V4 Pro	13%	100%	0–4	XlsxWriter
GLM-5.3	0%	100%	0–4	XlsxWriter
Kimi K3	25%	100%	0–4	XlsxWriter
MiniMax M3	0%	100%	0–4	XlsxWriter
Mistral Large 4	13%	100%	0–4	XlsxWriter
Nemotron 3 Ultra	0%	100%	0–4	XlsxWriter

What the models say about calamine

One reason per model, from the shared questions

Claude Haiku 5.5Very fast Rust-based reader for xlsx, xls and ods files.
GPT-6 LunaFast Rust-backed reader supporting several Excel formats, including .xlsb.
Qwen 3.8 FlashRust-backed reader, dramatically faster than openpyxl/xlrd.
DeepSeek V4 ProExtremely fast, lightweight Excel reader binding Rust's Calamine engine.
Kimi K3Very fast Rust-backed reader for xlsx/xls/ods, great for large messy files.

What the models say about XlsxWriter

One reason per model, from the shared questions

Claude Haiku 5.5Excellent for creating rich, formatted new xlsx files; write-only though.
GPT-6 LunaBest for creating polished .xlsx workbooks, charts, formatting, and formulas; not for reading.
Gemini 4 ArgonSuperior performance and formatting features when creating complex, chart-heavy Excel files from scratch.
Qwen 3.8 FlashBest-in-class for writing rich, formatted xlsx output.
DeepSeek V4 ProFastest .xlsx creation with rich formatting, charts, and conditional formatting.
GLM-5.3Fast, low-memory streaming writer for large xlsx files.
Kimi K3Fastest, richest formatting for writing new Excel files from scratch.
MiniMax M3Fastest writer, rich formatting and chart support for new files.
Mistral Large 4Best for creating Excel files with advanced formatting, charts, and formulas.
Nemotron 3 UltraExcellent 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	calamine	XlsxWriter
Best Python libraries for reading and editing Excel files	13% #15	100% #1