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Open-source Stripe billing control plane
Best for teams who will stay on Free at $0 (8K monthly billing volume, 10,000 customers, 10M API requests) while they…
Pricing. Free — $0 / month.
Decide
Full notes belowBuilding Notion's standard + AI pricing using Autumn — official Autumn channel. Official Autumn plan-modeling walkthrough.

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Autumn is a hosted (and open-source) Stripe billing-control desk: you open Plans, and Free is $0. Use it when the job is plans, entitlements, and balances you start at $0, not when you need a $20 chat seat.
What makes it unique: the cover is the official Autumn Plans editor (Pro v1, $20 / month, 100 Messages per month, unsaved-changes bar) from the docs still — not Autumn’s own pricing card. The $20 on the cover is the plan you model for your customers. Autumn bills a Free $0 / Pro $375 tile plus $5 / 1M requests after the Pro include.
Pro v1, Plan settings, and Add Feature sit here.The SDK / CLI / MCP is install. check / track are API of Features / Balances. Stripe / RevenueCat / Vercel tiles are the processor. Subscriptions are ops of Plans. Autumn’s $375 tile is the meter.
Best fit: teams who will stay on Free at $0 (8K monthly billing volume, 10,000 customers, 10M API requests) while they open a first Plans editor, then buy Pro at $375 / month when volume or the data-warehouse tile matters.
Verified 2026-10-23 (Asia/Shanghai) from useautumn.com/pricing. Tiles print Free $0 / month / Pro $375 / month / Scale Custom.
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Official Autumn channel video: Building Notion's standard + AI pricing using Autumn (oEmbed author: Autumn). First-party plan-modeling clip; the Plans editor still is the cover. Notion-style prices on the video are ops of Plans, not a second listing.
Written path: useautumn.com/pricing plus the Plans still.
Catalog row curated for AI Tools Nav. Cover is the official Autumn Plans editor from the docs still. Dollars checked on useautumn.com/pricing (Free $0; Pro $375/mo; then $5/1M requests; Scale custom). Tutorial oEmbed author: Autumn.
2026-10-23 (Asia/Shanghai) editorial check.