Why caution:effective 2025-04-04 — DBOS replaced its free DBOS Cloud plan ($0 a month, "Free forever": 100,000 requests a day, 1,000,000 ms of CPU a month, 1 application) with DBOS Pro at $99 a month with a 30-day free trial, between captures of 2025-03-21 and 2025-04-04. The open-source DBOS Transact library stays free. Source ↗Full history ↓
A verdict here is not a fixed property of the vendor. A one-off pricing event demotes a vendor while its recorded date falls in the last 180 days and then lapses on its own, with nothing about the vendor having changed; a standing condition — a free tier withdrawn, a product retired — does not lapse with time. This one rests on a standing condition, so it does not lapse.
Limits, pricing history. Catalogue date August 2026. Last updated 2026-09-26.
DBOS's free tier offers Open-source durable workflow orchestration library (DBOS Transact) — free forever for TypeScript, Python, Go, Java… We rate it caution — one recorded free tier removal, on 2025-04-04.
The day we last read the vendor's page. Our last read of it, on 2026-09-19, found a change we then refused to record, because it restated the terms we already publish. We hold no confirmation of the terms we publish — the 2026-08-20 beside this date is not one we can source to a read that confirmed them.
Free Tier Details
Open-source durable workflow orchestration library (DBOS Transact) — free forever for TypeScript, Python, Go, Java, Kotlin. Self-host with PostgreSQL backend; community support via Discord. Managed DBOS Cloud is paid-only (Pro from $99/mo: 2 seats, 3 apps, 1M checkpoints/mo).
We read that on 2026-09-19 from https://www.dbos.dev/pricing, and our check recorded: the page names DBOS as "dbos" and states "$99". A source check reads the cited page for the service's name and a price; the limits above are from our own record.
Data correction - DBOS dropped its free cloud plan between 2025-03-21 and 2025-04-04, about a year before our 2026-04-19 date, and the plan's limits were 100,000 requests a day and 1,000,000 ms of CPU a month. Source ↗
Before: Recorded as: DBOS Cloud free tier (1 Firecracker microVM per app, 1M service calls/mo) no longer appears on dbos.dev/pricing. Only the open-source DBOS Transact library remains free; managed cloud is paid-only starting at Pro $99/mo. Description updated accordingly; vendor remains in index under the open-source tier.
After: 2025-03-21: "Free $0/mo Perfect for individuals & hobbyists. Free forever." 2025-04-04: "DBOS Pro $99/mo … Free 30-day Trial".
Retracted — this record was our error (2026-09-27). The pricing for DBOS Pro and DBOS Teams has been updated. DBOS Pro is $99/month for 2 user seats, 3 apps, and 1M checkpoints. DBOS Teams is $499/month for 10 user seats, 10 apps, and 10M checkpoints. Retracted 2026-09-27: nothing changed on 2026-09-03. The Internet Archive's capture of DBOS's pricing page on 2026-08-04 already lists DBOS Pro at $99 a month with 2 user seats, 3 apps and 1 million checkpoints a month, and DBOS Teams at $499 a month with 10 user seats, 10 apps and 10 million checkpoints, as this record does. The record compared the page with our own listing text, which said 3 seats and 5 apps. Source ↗
Before: Open-source durable workflow orchestration library (DBOS Transact) — free forever for TypeScript, Python, Go, Java, Kotlin. Self-host with PostgreSQL backend; community support via Discord. Managed DBOS Cloud is paid-only (Pro from $99/mo: 3 seats, 5 apps, 1M checkpoints/mo).
After: DBOS Pro is $99/month (2 user seats, 3 apps, 1M checkpoints). DBOS Teams is $499/month (10 user seats, 10 apps, 10M checkpoints). DBOS Cloud is a serverless hosting option.
DBOS replaced its free DBOS Cloud plan ($0 a month, "Free forever": 100,000 requests a day, 1,000,000 ms of CPU a month, 1 application) with DBOS Pro at $99 a month with a 30-day free trial, between captures of 2025-03-21 and 2025-04-04. The open-source DBOS Transact library stays free. Source ↗
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Yes, DBOS offers a free tier: Free (open-source library; managed cloud is paid-only). Open-source durable workflow orchestration library (DBOS Transact) — free forever for TypeScript, Python, Go, Java, Kotlin. Self-host with PostgreSQL backend; community support via Discord. Managed DB...
What is DBOS's free tier?
DBOS's free tier is called "Free (open-source library; managed cloud is paid-only)". Open-source durable workflow orchestration library (DBOS Transact) — free forever for TypeScript, Python, Go, Java, Kotlin. Self-host with PostgreSQL backend; community support via Discord. Managed DBOS Cloud is paid-only (Pro from $99/mo: 2 seats, 3 apps, 1M checkpoints/mo).
Is DBOS's free tier reliable?
DBOS's free tier requires caution because of one specific recorded change, on 2025-04-04: DBOS replaced its free DBOS Cloud plan ($0 a month, "Free forever": 100,000 requests a day, 1,000,000 ms of CPU a month, 1 application) with DBOS Pro at $99 a month with a 30-day free trial, between captures of 2025-03-21 and 2025-04-04. The open-source DBOS Transact library stays free. Source: https://web.archive.org/web/20250404224119/https://www.dbos.dev/dbos-pricing
Is DBOS's free tier good for production?
DBOS's free tier is usable for prototyping and development, but we rate it caution because of one recorded free tier removal, on 2025-04-04. Consider alternatives with more stable pricing for critical services.
What changed in DBOS's pricing?
DBOS has had 1 recorded pricing change. Most recently: DBOS replaced its free DBOS Cloud plan ($0 a month, "Free forever": 100,000 requests a day, 1,000,000 ms of CPU a month, 1 application) with DBOS Pro at $99 a month with a 30-day free trial, between captures of 2025-03-21 and 2025-04-04. The open-source DBOS Transact library stays free. Source: https://web.archive.org/web/20250404224119/https://www.dbos.dev/dbos-pricing (2025-04-04).
When will I outgrow DBOS's free tier?
At 3 apps, you'll need to upgrade. When you outgrow the free tier, evaluate paid plans against alternatives — sometimes a competitor's free tier covers what you need.
What category is DBOS in?
DBOS is categorized under Workflow Automation on AgentDeals.
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