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Nested Media Folders are Here

Nested media folders are finally here, available on all accounts and plans. Organize your media with up to 3 folders deep in your Bucket and media select modal. You can even query media by folder and parent folders from the API. Try it today and let us know what you think.

Cosmic

October 9, 2026

Nested Media Folders are Here cover image

Claude Sonnet 5.5 vs Sonnet 5: What Changed, and Should You Switch? image

Claude Sonnet 5.5 vs Sonnet 5: What Changed, and Should You Switch?

Anthropic launched Claude Sonnet 5.5 on September 28, 2026 at $2/$10 per million tokens with a 1M co...

Tony Spiro and Mia

October 6, 2026

Announcing the Cosmic AI Support Agent image

Announcing the Cosmic AI Support Agent

Put an AI support agent on your website with one script tag. It answers from the same content the si...

Tony Spiro and Mia

October 5, 2026

How We Won a Launch-Day Search Term in 48 Hours, and Why It Didn't Convert image

How We Won a Launch-Day Search Term in 48 Hours, and Why It Didn't Convert

Anthropic shipped Claude Opus 5.5 on September 22. Our comparison post went live the same day and be...

Tony Spiro and Mia

September 29, 2026

Connect a Cosmic Agent to Google Sheets image

Connect a Cosmic Agent to Google Sheets

A step-by-step setup you can reproduce with your own Google account and your own Cosmic agent: servi...

Tony Spiro and Mia

September 25, 2026

See What Changed in a Revision, and Which Agent Wrote It image

See What Changed in a Revision, and Which Agent Wrote It

Open a revision and switch to Changes to see the diff against the previous update. When an agent wro...

Cosmic

September 23, 2026

Give your agent an inbox, then sign it up for Cosmic image

Give your agent an inbox, then sign it up for Cosmic

An agent can provision its own email address with AgentMail, pass that address to Cosmic agent signu...

Tony Spiro and Mia

September 23, 2026

Claude Opus 5.5 vs Opus 5: What Changed, What It Costs image

Claude Opus 5.5 vs Opus 5: What Changed, What It Costs

Anthropic released Claude Opus 5.5 on September 22, 2026. It is 20% cheaper than Opus 5 and scores h...

Tony Spiro and Mia

September 22, 2026

Claude Opus 5.5 Is Now Available in Cosmic image

Claude Opus 5.5 Is Now Available in Cosmic

Anthropic's new flagship model is live in Cosmic. It costs less than the model it replaces: $4 input...

Cosmic

September 22, 2026

Moving a 1,700-page site to the Next.js 16 App Router without a sitemap hole image

Moving a 1,700-page site to the Next.js 16 App Router without a sitemap hole

We moved cosmicjs.com, all 1,696 URLs, from the Pages Router to the Next.js 16 App Router. The hard...

Tony Spiro

September 21, 2026

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