Kritik der praktischen Vernunft vs Kritik der reinen Vernunft: Which Should You Read?

Both live on shelves: Reason, Causation, Raison, Theory of Knowledge, Early works to 1800, Philosophy

Cover of Kritik der praktischen Vernunft

Kritik der praktischen Vernunft Immanuel Kant · 1788 ★★★★☆ 3.9 368 pages · ≈ 6 h 49 m · Demanding Find on Amazon

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Cover of Kritik der reinen Vernunft

Kritik der reinen Vernunft Immanuel Kant · 1781 ★★★★☆ 4.0 681 pages · ≈ 12 h 37 m · Demanding Find on Amazon

The verdict

Ratings are close: 3.9 vs 4.0 — either is a safe pick by score.
Kritik der praktischen Vernunft is the quicker read — about 6 hours vs 12 for Kritik der reinen Vernunft.

Side by side