MobX vs Valtio

MobX vs Valtio
Fact	MobX	Valtio
Language	TypeScript	TypeScript
Licence	MIT	MIT
Stars	28k	10k
Latest	mobx@7.0.6	v2.3.2
Last push	2026-10-02	2026-10-01
Release cadence	about 1 day between releases	about 59 days between releases
Active contributors	14 commit authors on the default branch in the last 90 days	2 commit authors on the default branch in the last 90 days
Flags	none	none

How they relate

Both replace Redux. Alternatives to Redux →
Full replacementMobXObservable state with automatic tracking, instead of actions and reducers.
PartialValtioProxy state you mutate directly, and components re-render only on what they read.

mobx@7.0.62026-10-024b1c8d3ea2b3de1a2ae852fd5631e33d28a82b15 #4721 Thanks @giaBaoJS! - fix: assigning length on an observable array now res…
mobx@7.0.52026-09-25105d66d73529812a8eddc0847891e7f0c574e129 #4713 Thanks @xaviergonz! - perf: reduce memory used by large, mostly unobserv…
mobx-react-lite@5.1.02026-09-24f78cb1607283e26ddae508b457eabcde295212a2 #4709 Thanks @kubk! - Clean up reactions from uncommitted observer renders usi…
mobx@7.0.42026-09-227d85a68fb7e449650535aba22e47ce4d21bfbc10 #4592 Thanks @VimHax! - Extend IReactionDisposer with Disposable
eslint-plugin-mobx@0.1.02026-09-22f7af259df425280aebeb0ccdb13350ba6d24270a #4699 Thanks @rakleed! - Add TypeScript types for configs.recommended and flat…

v2.3.22026-05-01Workaround for React Native JS engine.
v2.3.12026-03-03Reverted the useSnapshot change in v2.2.0 which seems to cause a problem in an edge case.
v2.3.02026-01-01Improves performance by disabling an optional feature by default (now opt-in).
v2.2.02025-11-03This release contains some refactors. While it should work in most cases, we have a slight concern that it may behave a…
v2.1.82025-09-25This reverts one of the changes in v2.1.4.

unsigned The latest release, mobx@7.0.6, carries no signature GitHub could verify.

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unsigned The latest release, v2.3.2, carries no signature GitHub could verify.

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