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Cosmic Developer Tools

Free · from $49/mo

About Cosmic

Cosmic is an AI-powered headless CMS that lets teams build, ship, and scale faster. It decouples the backend from the frontend, so you can use any framework — React, Vue, or others — and manage content through a visual dashboard. What sets Cosmic apart is its native AI agents that live in Slack, WhatsApp, and Telegram, helping to create content, build features, fix bugs, and automate workflows.

What it does

You define content models (objects, fields, relationships) in the Cosmic dashboard. Content is served via REST or GraphQL API to any frontend. Editors use a drag-and-drop interface to create and update content without touching code. AI agents can draft blog posts, generate code with pull requests, triage bugs, and automate standups or deployments.

Who it is for

Best for developers building Jamstack or static sites, marketing teams managing multi-language content, and agencies delivering client projects. Not ideal for non-technical teams who want a fully hosted website with no developer involvement.

Use cases

  • Publishing blog posts with AI-assisted drafting and SEO metadata
  • Building feature pages with custom content models and localization
  • Automating content updates from team chat (Slack, WhatsApp, Telegram)
  • Creating and deploying full projects via the Cosmic CLI

Key features

  • Content modeling — Define custom object types, fields, and relationships
  • REST & GraphQL APIs — Fetch content with any frontend framework
  • Media manager — Upload, optimize, and serve images with CDN
  • Localization — Manage content in multiple languages from one dashboard
  • Team agents — AI assistants in Slack, WhatsApp, and Telegram that create content, build features, and fix bugs
  • Webhooks — Trigger builds or sync content to external services
  • Role-based access — Control who can edit, publish, or manage settings

Cosmic Pricing

Cosmic pricing: Free · from $49/mo. Billing model: Freemium.

Free ($0/month)

Perfect for trying out Cosmic. Includes 1 bucket, 2 team members, 1,000 objects, 1 team agent, 2 automations (manual only), 1 workflow, 10k API requests, 1GB media storage, and 300k AI tokens (input + output). No credit card required.

Builder ($49/month)

For indie devs and small projects. Includes 2 buckets, 3 team members, 5,000 objects, 3 team agents, 5 automations (with scheduling), 3 workflows, 15k API requests, 2GB media storage, and 500k AI tokens (input + output).

Team ($299/month — Most popular)

For teams collaborating on content. Includes 3 buckets, 5 team members, 20,000 objects, 10 team agents, 25 automations (with scheduling), 10 workflows, 25k API requests, 3GB media storage, and 1M AI tokens (input + output).

Business ($499/month)

For companies running on Cosmic. Includes 5 buckets, 10 team members, 50,000 objects, 25 team agents, 100 automations (with scheduling), 50 workflows, 150k API requests, 10GB media storage, and 3M AI tokens (input + output).

Feature add-ons (Webhooks, Localization, Revision History, Automatic Backups) start at $99/month each with a 14-day free trial. Additional users or buckets cost $29 per user/bucket per month. Enterprise plans available with custom limits and 24/7 support.

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Frequently asked questions

How much does Cosmic cost?
Cosmic has a free plan at $0/month (no credit card required), a Builder plan at $49/month, a Team plan at $299/month, a Business plan at $499/month, and custom Enterprise pricing. Yearly billing saves 10%.
Is Cosmic free to use?
Yes, Cosmic offers a Free Forever plan with no credit card required. It includes 1 bucket, 2 team members, 1,000 objects, and 1 team agent with limited automations and API requests.
Who is Cosmic best for?
Cosmic is best for developers building Jamstack or static sites, marketing teams managing multi-language content, and agencies delivering client projects. It's less suited for non-technical teams wanting a fully hosted website.
Does Cosmic have AI features?
Yes. Cosmic includes AI team agents that live in Slack, WhatsApp, and Telegram. They can draft blog posts, generate code with pull requests, triage bugs, automate standups, and more. Each plan includes a monthly allowance of AI tokens.
What are the main alternatives to Cosmic?
Popular alternatives include Contentful, Strapi, Sanity, and ButterCMS. Cosmic differentiates with its built-in AI agents and team chat integrations for content and code workflows.
Can I use Cosmic with any frontend framework?
Yes. Cosmic is API-first with REST and GraphQL APIs, so you can use React, Vue, Next.js, Nuxt, Astro, or any other framework. Content is decoupled from the frontend.
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