Bluesky logo

Bluesky

Challenger

Decentralized social network built on AT Protocol raised $100M Series B led by Bain Capital Crypto in Mar 2026; 43M users; 400,000+ AT Protocol SDK downloads monthly; 1,000+ third-party apps built on its open social ecosystem.

Best for: Decentralized Social
65
AI Score
Grade B↑ Trending
AI Visibility Score (Beta)
Consumer TechnologyDecentralized SocialWebsiteUpdated April 2026
Customers
43M

Brand Intelligence Graph

Integrates with
Capabilities
Decentralized Social

Company Overview

About Bluesky

Bluesky is a decentralized social network built on the AT Protocol, an open standard designed to give users control over their data, identity, and feed algorithms. Originally incubated by Twitter and spun out as an independent company, Bluesky raised $100 million in Series B financing in March 2026 led by Bain Capital Crypto, following a CEO transition that positioned the company for its next growth phase.

Business Model & Competitive Advantage

The platform has grown to 43 million users, up from 13 million at its Series A, with 400,000+ AT Protocol SDK downloads per month and over 1,000 third-party applications built on its ecosystem. Bluesky's open architecture allows developers to build alternative clients, custom feeds, and entirely new social applications on top of the protocol — a structural advantage over walled-garden competitors.

Competitive Landscape 2025–2026

Bluesky represents the only credible decentralized challenger to X (formerly Twitter) at meaningful scale. Its growth accelerated sharply during X's turbulent ownership transition period, and the AT Protocol's open architecture has attracted a developer community committed to building a federated, user-owned social web. The Series B positions Bluesky to expand internationally and deepen developer tooling.

Customers
43M
Curated content • Fact-checked and verified

Recent Activity

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Now you can opt out of having your posts shown to non-followers in the Discover feed. We know not everyone wants to go viral. Sometimes you're just posting for your followers. This is one of a few up...

Now you can opt out of having your posts shown to non-followers in the Discover feed. We know not everyone wants to go viral. Sometimes you're just posting for your followers. This is one of a few updates we're working on to give you more control over your experience and help you find your people.

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Big video update! You can now post videos up to 10 minutes long, and they'll upload 2–3x faster. That's on top of the recent increase in maximum file size to 300MB. We can’t wait to see what you’ll ...

Big video update! You can now post videos up to 10 minutes long, and they'll upload 2–3x faster. That's on top of the recent increase in maximum file size to 300MB. We can’t wait to see what you’ll create! NOW PLAYING: "Rent Control," by @shing.bsky.social and @jayackley.bsky.social

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Telling everybody we just got the Nobel Prize

Telling everybody we just got the Nobel Prize

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Here's a short video I'm hoping to include in my @leaflet.pub blog post at debbieohi.leaflet.pub showing a glimpse of how useful it is to have an Atmosphere account. I will also include a link to @coz...

Here's a short video I'm hoping to include in my @leaflet.pub blog post at debbieohi.leaflet.pub showing a glimpse of how useful it is to have an Atmosphere account. I will also include a link to @cozylittle.house's excellent non-techie explainer as well, of course! lab.leaflet.pub/3mrq6ma5dgs2x

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We're redesigning the notifications tab! 🔔 It's one of the most visited surfaces on the app, and a lot of you have told us it could be better. Here's a look at what we're exploring. 🧵

We're redesigning the notifications tab! 🔔 It's one of the most visited surfaces on the app, and a lot of you have told us it could be better. Here's a look at what we're exploring. 🧵

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First Bluesky user to judge the Great British Bake Off! 🍰

First Bluesky user to judge the Great British Bake Off! 🍰

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We apologize for yesterday’s service problems. Bluesky experienced a DDoS attack—a flood of junk traffic meant to knock servers offline—over a period of 24 hours. We have upgraded our defenses in resp...

We apologize for yesterday’s service problems. Bluesky experienced a DDoS attack—a flood of junk traffic meant to knock servers offline—over a period of 24 hours. We have upgraded our defenses in response, and we continue to monitor the situation. Follow @status.bsky.app for any updates.

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v1.130 is live! Want to follow someone for their posts but not their reposts? Now you can — turn on "Hide reposts in feeds" for any account you follow.

v1.130 is live! Want to follow someone for their posts but not their reposts? Now you can — turn on "Hide reposts in feeds" for any account you follow.

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We’re rolling out improvements to trending topics right now! If you don’t already have it, you will in the next day or so. The new system catches more topics, identifies more posts within that topic,...

We’re rolling out improvements to trending topics right now! If you don’t already have it, you will in the next day or so. The new system catches more topics, identifies more posts within that topic, and serves them up faster, so you can feel more in tune with what everyone's talking about.

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Update: group chats can now host up to 100 members.

Update: group chats can now host up to 100 members.

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We've enhanced Bluesky link cards! Now when you share your newsletter's archive links on Bluesky they appear as rich, branded cards.💙 🦋 buttondown.com/blog/bluesky...

We've enhanced Bluesky link cards! Now when you share your newsletter's archive links on Bluesky they appear as rich, branded cards.💙 🦋 buttondown.com/blog/bluesky...

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Personnel news: @toni.bsky.team is dropping the “interim” from his title and will serve as our permanent CEO!

Personnel news: @toni.bsky.team is dropping the “interim” from his title and will serve as our permanent CEO!

Key Differentiators

Strong Challenger

Bluesky is an established challenger with significant market presence and competitive offerings in Consumer Tech.

Massive User Base

Trusted by 43M worldwide, demonstrating broad market appeal and proven reliability.

Frequently Asked Questions

Estimated Visibility Trend (Beta)

Simulated 8-week rolling score

65
↑ Trending

Based on estimated brand signals. Historical tracking coming soon.

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