# What lessons could Julia's autodiff ecosystem learn from Stan's TinyGrad?

**URL:** <https://discourse.julialang.org/t/what-lessons-could-julias-autodiff-ecosystem-learn-from-stans-tinygrad/103070>\
**Category:** Machine Learning\
**Created:** [August 22, 2023, 2:50pm UTC](https://discourse.julialang.org/t/what-lessons-could-julias-autodiff-ecosystem-learn-from-stans-tinygrad/103070 "2023-08-22T14:50:56Z")\
**Posts on this page:** 1\
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**Author:** ![dlakelan](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/dlakelan/32/8491_2.png) [@dlakelan](https://discourse.julialang.org/u/dlakelan)\
**Post date:** [August 22, 2023, 12:49am UTC](https://discourse.julialang.org/t/what-lessons-could-julias-autodiff-ecosystem-learn-from-stans-tinygrad/103070/3 "2023-08-22T00:49:12Z")

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> [@What steps should the Julia community take to bring Julia to the next level of popularity?](https://discourse.julialang.org/t/what-steps-should-the-julia-community-take-to-bring-julia-to-the-next-level-of-popularity/101389/395):
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> Stan built a world-class autodiff system with a team of two people in about a year,

No, maybe more like 3-4 years, and with Bob Carpenter a major driver of design and implementation, and several million dollars of grant funds.

If someone plops $5M into a group of 5 people to finish up milestones for Enzyme you’d see a lot of progress in the next 3 years

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