Kontent.
The Tier Breakdown
Kontent.ai essentially splits its world into three categories: Starter (Free), Business, and Enterprise. While they offer a 30-day trial to test the paid features, the jump from "free" to "production-ready" is a massive financial and technical leap.
- Starter (Free): Very limited. You get 2 environments, 500 content items, 3 users, and 10,000 API calls per month.
- Business: This is where most growing teams land. It includes up to 5 environments, unlimited content items, 1,000,000+ API calls, and custom roles.
- Enterprise: Fully custom. This is for when you need 99.99% uptime SLAs, SSO/SAML, and a dedicated Customer Success Manager.
Based on recent community data and sales conversations, don't expect the Business plan to be cheap. For a standard five-seat setup, you're likely looking at a baseline of $990–$1,200 per month if you bill annually. If you're a solo dev looking for just an extra seat of access, you might find add-ons hovering around $250/month.
The "Sandbox" Trap in the Free Tier
The Starter tier is fine for a weekend project, but it is absolutely not a launch tier for a real application. The 500-content-item limit is the first wall you'll hit. If you are building a content-rich site with granular taxonomies, tags, and multiple content types, you will exhaust 500 items faster than you think. For comparison, Sanity offers unlimited documents on their free tier, and Contentful gives you 25,000 records. Kontent.ai's 500 is incredibly restrictive by comparison.
The API limit is even more punishing. If you are running a Next.js site using ISR (Incremental Static Regeneration) on just 50 routes with a 60-second revalidation timer, you're looking at roughly 72,000 API calls per day. You will blow through the entire monthly 10,000-call limit in a matter of hours. This is strictly a sandbox for testing your schema, not for hosting a live site.
Hidden Costs of Scaling
Once you move to the Business plan, the costs scale in two specific directions: environments and seats.
1. Environment Overages: The Business plan gives you five environments. In a professional agency workflow, you often need more: Production, Staging, UAT, Feature Branches, and perhaps a dedicated migration environment. Once you exceed five, expect to pay roughly $100–$150 per additional environment per month.
2. The Seat Model: This is a major differentiator in the headless CMS market. While Sanity often focuses on API usage and doesn't charge per editor seat on their Growth plan, Kontent.ai scales with your headcount. Every new editor or manager you add to the system increases your monthly bill.
If you're planning an AI-driven content workflow where you might have multiple agents or automated processes acting as "users," you need to factor that seat-based cost into your LLM agent deployment budget. It’s a different philosophy than the usage-based models we are seeing elsewhere.