{"slug":"poetry","name":"Poetry","domain":null,"verdict":"As of 2026-07-20, ChatGPT, Claude, Gemini, Grok collectively rank Poetry #2 of 8 for python package manager. Source: https://modelsagree.com/product/poetry (modelsagree.com, CC BY 4.0).","best_rank":2,"categories":1,"entries":[{"slug":"best-python-package-manager","title":"Best Python package manager","rank":2,"of":8,"score":11,"appearances":3,"modelRanks":{"ChatGPT":2,"Claude":2,"Gemini":3},"reason":"The strongest mature all-in-one alternative, with polished dependency groups, reliable locking, environment management, packaging, publishing, and a substantial plugin ecosystem","reasons":[{"model":"ChatGPT","reason":"The strongest mature all-in-one alternative, with polished dependency groups, reliable locking, environment management, packaging, publishing, and a substantial plugin ecosystem"},{"model":"Claude","reason":"The most mature all-in-one pyproject.toml workflow — dependency management, locking, virtualenvs, build, and publish — with years of production hardening, a huge plugin ecosystem, and deep familiarity across teams; 2.x adopted standard PEP 621 metadata, removing its biggest interop complaint. Still the safest conservative choice for teams that want stability over speed."},{"model":"Gemini","reason":"Mature, end-to-end dependency manager with an intuitive CLI, built-in package publishing tools, and an extensive plugin ecosystem (in a near-tie with Hatch for standard developer workflows)."}],"fixes":[{"model":"ChatGPT","fix":"Slower and more opinionated than uv, especially for large dependency graphs or teams retaining requirements.txt-centric workflows"},{"model":"Claude","fix":"Dramatically slower resolution and installation than uv with no compelling remaining advantage for new projects; its historical caret-pinning defaults also make it a poor fit for library authors who want loose constraints."},{"model":"Gemini","fix":"Significantly slower dependency resolution and installation speeds than Rust-native tools, while relying on a custom lockfile format."}],"updated":"2026-07-20","rank_history":{"days":["2026-07-19","2026-07-20"],"ranks":[2,null]},"api":"https://modelsagree.com/api/v1/best/best-python-package-manager.json"}],"page":"https://modelsagree.com/product/poetry","check":"https://modelsagree.com/check?q=Poetry","updated":"2026-07-21T08:55:28.959Z","attribution":"modelsagree.com, CC BY 4.0"}