Meta Ditched Open Source 2026: What Really Happened
Published: April 30, 2026 Category: AI News Focus Keyword: Meta open source Author: 字清波 — Table of Contents [The Unexpected Announcement](#the-unexpected-announcement) [Why Meta Changed Course](#why-meta-changed-course) [What the New Policy Actually Means](#what-the-new-policy-actually-means) [The Open Source Community’s Reaction](#the-open-source-communitys-reaction) [Business Implications](#business-implications) [The Bigger Strategic Picture](#the-bigger-strategic-picture) [What This Means for Meta’s AI Strategy](#what-this-means-for-metas-ai-strategy) [Looking Forward](#looking-forward) [Conclusion](#conclusion) — The Unexpected Announcement On April 18, 2026, Meta released a statement that sent shockwaves through the tech community: effective immediately, all future AI model releases would be proprietary, ending the company’s decade-long commitment to open-source AI development. The decision, announced in a blog post by Meta’s VP