# Is PyMC4 dead or just resting?

**URL:** <https://discourse.pymc.io/t/is-pymc4-dead-or-just-resting/5330>\
**Category:** Development\
**Created:** [June 24, 2020, 10:29am UTC](https://discourse.pymc.io/t/is-pymc4-dead-or-just-resting/5330 "2020-06-24T10:29:00Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![bridgeland](https://yyz2.discourse-cdn.com/flex036/user_avatar/discourse.pymc.io/bridgeland/32/2773_2.png) [@bridgeland](https://discourse.pymc.io/u/bridgeland)\
**Post date:** [November 2, 2020, 2:41pm UTC](https://discourse.pymc.io/t/is-pymc4-dead-or-just-resting/5330/5 "2020-11-02T14:41:44Z")

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Update: [PyMC4 is dead](https://discourse.pymc.io/t/the-future-of-pymc3-or-theano-is-dead-long-live-theano/6159/2). The future of PyMC3 is PyMC3, with a JAX backend.

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_[View the full topic](https://discourse.pymc.io/t/is-pymc4-dead-or-just-resting/5330)._