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Chatblocks has three plans. Free is the trial-everything tier with hard caps that prevent runaway cost. Builder is the single paid tier for solo operators. Enterprise is a manual flip we do for customers with custom requirements.

At a glance

The customer-facing plans are Free, Builder, and Enterprise. Enterprise is set manually by us — there’s no Stripe subscription behind it. Anonymous playground sessions use an internal temporary plan and are not a billable tier.

Per-resource caps

These are the current launch limits (source: apps/web/convex/lib/limits.ts): A few notes:
  • Data sources are Builder beta. Free workspaces cannot create Stripe, Postgres, webhook, or outbound MCP data sources while the connector layer is still being hardened.
  • BYOK = 0 on Free. No scheduled runs and no blocks.create AI generation. You can still author blocks for free — in the in-app editor or with your own coding agent over MCP (API keys are free on every plan). Builder unlocks AI generation, data sources, BYOK, scheduled runs, and stores.
  • Builder members are read-only by default. Builder is the single-operator model: the workspace owner has write powers, co-members are viewers. See Workspaces → Builder co-member model.

What Builder unlocks vs Free

Scheduled runs

Builder beta. Cron-driven agent loops that wake up, decrypt your BYOK key, and write to your blocks.

Data sources

Builder beta. Connect Stripe, Postgres, webhooks, and outbound MCP servers to blocks.

`blocks.create`

Builder-only. AI block generation streamed over MCP. Free path: hand-author in the in-app editor.

BYOK keys

Builder beta gives you 3 keys; Free gives you 0. BYOK is the substrate for any LLM call billed to you, not the platform.

Higher caps

100 blocks / 20 canvases / 5 schedules / 10 per-type data sources on Builder, all tighter or unavailable on Free.

Builder details

Pricing. 9/monthor9 / month or 89 / year. Annual saves ~18% (one month free). Both are billed via Stripe. Card is charged immediately at Checkout — there is no free trial. Refund policy. No published refund policy. Reach out via the support address on /settings/billing if something went wrong; we handle refunds case-by-case in the Stripe Dashboard. Plan switching. Monthly ↔ annual switch lives in the Stripe Customer Portal. We don’t surface a UI for it; the portal does the proration math.

Enterprise

Enterprise is for:
  • Teams that need write access for multiple members. Builder’s single-operator-write model is intentional for solo workflows — teams want every member to have agent-write powers.
  • Custom caps. Anything beyond Builder’s 100 blocks / 5 schedules / etc.
  • Non-Stripe billing. PO, ACH, annual invoicing with net-30, etc.
Email me or DM me on X — we flip the plan literal manually and there’s no self-serve path.

Plan changes propagate immediately

On checkout.session.completed (Stripe webhook), the workspace’s plan flips to builder and the limit table jumps the same tick. There’s no cache, no daily reconciliation — the next mutation sees the new caps. Same on cancel and downgrade: the moment Stripe’s webhook lands, the workspace is back on Free’s caps. Existing over-cap resources stay (we don’t delete blocks when you cancel), but new creates get LIMIT_REACHED.

Reading limits programmatically

What’s next

Customer Portal

How to cancel, switch plans, and update your card in the Stripe Customer Portal.

Plans and limits (deep dive)

Per-resource caps, programmatic preflight, and how the gates fail.