The AI bookkeeping category has a pricing problem that makes every roundup misleading. Puzzle starts at $25 a month. Zeni starts at $494. Both get described as AI bookkeeping, both appear on the same comparison lists, and a founder reasonably concludes that one of them is nineteen times overpriced.
They are not the same product. One is software you operate. The other is a service with accountants attached. Sorting the category on that line makes the prices make sense immediately, and it is the first thing to do before comparing anything else.
Every figure below was read off the vendor's own pricing page on 2026-08-10. These pages change often, so verify before you buy.
The short version
- Software you run: Puzzle at $25 to $360 a month, Digits at $65, $100 or $250.
- Service with people: CoCountant at $160, $460 or $1,270 a month, Fondo at $399 a month for monthly close, Zeni at $494 a month billed annually.
- Fondo's cheapest plan is $950 a year and closes your books once a year.
- CoCountant is the only one on this list publishing a contractual response SLA, at 2 to 4 hours.
- Third-party roundups get these numbers wrong. One reported CoCountant's Scale tier as $540 to $940; the vendor's own page says $460.
Group one: software you operate
These give you a ledger, automation and dashboards. Nobody is accountable for the result except you.
| Tool | Plans | Monthly price | Notable limit |
|---|---|---|---|
| Puzzle | Starter | $30, or $25 billed annually | 1 user, 25 AI credits lifetime |
| Puzzle | Core | $72, or $60 billed annually | 5 users |
| Puzzle | Complete | $120, or $100 billed annually | Unlimited users, 100 AI credits a month |
| Puzzle | Scale | $360, or $300 billed annually | No transaction limits, 300 AI credits a month |
| Digits | Essentials | $65 | Live dashboards, AI categorization and reconciliation, bill pay, API and MCP |
| Digits | Core | $100 | Adds custom dashboards and department or location tracking |
| Digits | Pro | $250 | Adds depreciation and accrual schedules, agentic month-end close |
Digits is the more interesting of the two for a technical founder. Every tier includes a developer API and an MCP server, so an assistant can query the books directly, and the Essentials tier already carries invoicing, bill pay and 12,000-plus bank integrations. Puzzle's structure is more conventional software packaging, with users and AI credits as the metering levers, and multi-entity handled through a Joiin integration rather than natively.
The honest limit on both: you are the accountant. When a transaction is ambiguous, the software makes a guess and moves on. Nobody notices that six months of AWS charges landed in the wrong account until diligence does.
Group two: a service with people
These cost more because a person is in the loop.
| Provider | Plan | Price | What the price buys |
|---|---|---|---|
| CoCountant | Launch | $160 / mo | Controller plus bookkeeper pod, 15-day close with controller signature, 4-hour response SLA |
| CoCountant | Scale | $460 / mo | 10 working-day GAAP close, cash or accrual, board-ready package |
| CoCountant | Command | $1,270 / mo | Multi-entity, class tracking, FP&A, 2-hour priority SLA |
| Fondo | Annual | $950 / yr | Dedicated accountant, books closed once a year |
| Fondo | Quarterly | $1,198 / quarter | Quarterly close |
| Fondo | Monthly | $399 / mo | Monthly close, aimed at seed and later |
| Zeni | Starter | $494 / mo billed annually, $549 otherwise | AI bookkeeping plus a finance team, pre-revenue |
| Zeni | Growth | $719 / mo billed annually, $799 otherwise | Revenue-stage companies |
Two details in that table deserve more attention than they usually get.
Fondo's annual plan closes the books once a year. At $950 that is excellent value for a dormant entity or a company that raised and has not started spending. It is a poor fit for anything with weekly activity, because a once-a-year close means you find out about a categorization problem eleven months after it started.
CoCountant publishes a response SLA. Four hours on Launch and Scale, two hours on Command, stated as contractual. Nobody else on this page publishes one. Response time is the thing founders complain about most in bookkeeping and the thing almost nobody commits to in writing, so it is worth something even if the close cadence is conventional.
Zeni's headline price also carries a large set of add-ons behind it. CFO Lite is $1,599 a month plus a $2,000 setup fee, tax starts at $2,499 a year, and payroll management is $199 a month on an annual contract. Price the stack, not the plan.
What the whole category shares
Almost every provider here closes on a monthly or slower cadence. Fondo's cheapest plan is annual, its middle plan is quarterly. CoCountant commits to 10 to 15 working days after period end. Zeni and the software tools are built around a monthly rhythm.
That is not laziness. Monthly close is what accounting has done for a century, because doing the work more often was not economically possible. What AI changes is the arithmetic: categorization and matching are pattern recognition, so software can do the volume every day and a person can handle the exceptions.
Median is built on that premise rather than on faster monthly closes. Activity is categorized and posted every business day, an accountant reviews the exceptions and owns the result, and pricing meters on the work: $55 per active financial account per month plus $0.60 per posted ledger entry, seats and reports included, with no tiers. A company with four accounts and moderate volume lands in the same range as the service tier above, and the books are current rather than a month behind.
That is the tradeoff to weigh, and it is not free. Usage-based billing takes a minute to get used to if you would rather have one number that never moves.
How to compare these without getting fooled
Four questions decide it, and the price is not one of them until you have the answers.
- How often is the ledger touched? Daily, monthly, quarterly or annually. This varies more across this list than price does, and it determines whether your numbers are usable for decisions or only for filing.
- Who is accountable when a number is wrong? A named person, a pod, or a support queue. Software has no answer to this question, which is fine as long as you know you are the answer.
- Cash or accrual, and does it change by tier? Several providers put accrual behind a higher tier. If you are raising in the next year, you need accrual, so price that tier and not the entry one.
- What does it cost at your real volume? Every published entry price assumes a quiet company. Take your actual account count and monthly transaction count to each vendor.
For the broader field including the traditional outsourced firms, see the best startup bookkeeping services comparison, and for what the incumbents charge, what startup bookkeeping actually costs in 2026.
Frequently asked questions
What is the difference between AI bookkeeping software and an AI bookkeeping service? Software gives you a ledger and automation and expects you to operate it. A service adds a person who owns the result. Puzzle and Digits are software. Fondo, Zeni and CoCountant attach people.
How much do AI bookkeeping tools cost in 2026? Software runs about $25 to $360 a month. Services run about $160 to $800. All figures verified 2026-08-10 against each vendor's own page.
Is Fondo's annual plan really $950 a year? Yes, and it closes the books once a year. Good value for a dormant entity, poor for a company spending money weekly.
Do any of these give me a real accountant? CoCountant, Fondo and Zeni attach people. Puzzle and Digits do not, though Puzzle points to partner accountants. Ask who signs off on the close.
What should I actually ask before buying? How often the ledger is touched, who is accountable when a number is wrong, cash or accrual by tier, and the cost at your real volume.
Where to start
- Sort your shortlist into software and service before you compare a single price. Half the confusion in this category disappears at that step.
- If you land in the software group, budget for the accountant you will still need at tax time. That cost is real and it is not on the pricing page.
- If you land in the service group, ask for the close cadence and the response commitment in writing.
- Take your own numbers to every quote: account count, monthly transaction count, and whether you need accrual this year.
See how Median prices against your actual accounts and volume, published rate card, no call required.