Cosmic vs. Prismic

AI-Powered Content Management: Cosmic vs. Prismic

Prismic and Cosmic both serve developers who want API-first content infrastructure. But in 2026, the gap between them has widened considerably on the AI front.

Cosmic: Three AI Agent Types, Built In

Cosmic ships with three distinct AI agent types that work together to automate your entire content operation:

Content Agents create, edit, and manage content autonomously. Give an agent a topic and it will research, write, generate images, optimize for SEO, and save a draft for review. Schedule agents to run daily, weekly, or on any cadence you set.

Code Agents connect directly to your GitHub repository. They read your codebase, commit changes, open branches, and create pull requests. Need a new landing page? A code agent can build it, push the code, and deploy it without a human touching the keyboard.

Computer Use Agents browse the web the way a human does. They navigate pages, click elements, fill out forms, and capture screenshots. Use them for competitive research, automated QA testing, or monitoring your live site.

Multi-Agent Workflows chain agents together in automated pipelines. A computer use agent can scan industry news, a content agent can write a post about the top story, and a code agent can commit SEO improvements. All on a schedule with zero human intervention.

Team Agents connect to Slack, WhatsApp, and Telegram so your team can manage content from the tools they already use.

MCP Server lets you connect any AI tool directly to your Cosmic content, making your CMS a native part of your AI development workflow.

Prismic: AI in Beta

Prismic lists AI features as "beta" and notes they are available "upon request" on all plans. The AI page builder for landing pages is their primary AI product, focused on generating pages from keywords and brand guidelines.

Prismic does not offer autonomous AI agents, scheduled content automation, code generation agents, computer use agents, multi-agent workflows, an MCP Server, or team agents for Slack and messaging platforms.

The Slice Machine Trade-Off

Prismic's Slice Machine is clever engineering. It lets you define page sections as reusable "slices" that editors can compose visually, while keeping the component code in your repository. Teams that want a constrained, component-based page builder experience appreciate the structure it provides.

But that structure comes with trade-offs:

Your content model lives in your codebase. Slice types are defined in JSON files that must be version-controlled alongside your frontend. Adding a new content field means updating Slice Machine, running CLI commands, pushing a new type definition, and deploying your frontend. Editors cannot change the content model without involving a developer and a deployment cycle.

Slices are framework-specific. Slice Machine is purpose-built for Next.js and Nuxt. If your team wants to switch frameworks, you rebuild your slice library. If you deliver content to a mobile app, a second frontend, or a third-party tool, slices do not help you.

Cosmic's approach: Content models live in the CMS dashboard and can be updated instantly without a code deployment. Deliver the same content to any frontend via the REST API. No proprietary component format. No CLI required to change your schema.

Pricing: Multi-Project Costs Add Up

Prismic prices per repository. Each project or website requires its own subscription. For a team managing multiple sites, those costs multiply quickly.

Free Tier

Cosmic Free: 1 Bucket, 2 team members, 1,000 objects, AI tokens included, full API access. No credit card required. Start for free.

Prismic Free: 1 repository, 1 user, 4M API calls per month, 2 locales, no AI features (beta, upon request). No commercial use intended.

Growing Team

Cosmic Team: $299 per month. 3 Buckets, 5 team members, 20,000 objects, 1M AI tokens included, 15 AI agents with scheduling. Additional users at $29/user/month.

Prismic Medium: $150 per month per repository. 25 users, 5M API calls, 500GB bandwidth, 5 locales. If your team runs two sites, that is $300 per month. Three sites: $450 per month. No AI agents at any tier.

Enterprise

Cosmic Business: $499 per month. 5 Buckets, 10 team members, 50,000 objects, 3M AI tokens, 25 AI agents with scheduling. Additional users at $29/user/month.

Cosmic Enterprise: Custom pricing. Branded workspace, SSO, 24/7 support, enterprise SLA, custom limits. Book a call with Tony.

Prismic Platinum: $675 per month per repository. Unlimited users, 10M API calls, 1TB bandwidth, 8 locales, development environment. For a team with multiple repositories, multiply accordingly.

Why Teams Choose Cosmic Over Prismic

Content models that live in the CMS, not in your code. Update your schema from the dashboard without a deploy. No CLI, no JSON files to maintain, no developer required for a field change.

Deliver to any frontend or channel. One content model feeds your Next.js site, your mobile app, your email templates, and your marketing tools. No framework-specific slice library to rebuild.

AI agents that work while your team sleeps. Autonomous content creation, code generation, and browser automation. Not a beta feature on request but a core part of the platform available on every paid plan.

Predictable multi-project pricing. Cosmic plans include multiple Buckets. Prismic charges per repository. For teams running more than one project, Cosmic is almost always more cost-effective.

MCP Server for AI-native development. Connect Cursor, Claude, or any MCP-compatible AI tool directly to your Cosmic content. Prismic has no equivalent.

"Cosmic is: us never having to ask a developer to change anything on the backend of our website." Maximilian Wuhr, Co-Founder at FINN.

Ready to make the switch? Start building for free or book a demo with Tony to see Cosmic in action.