Side by side
Arbor vs Carbon Accounting AI
Both stand on carbon accounting software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Paid APIWeb
Choose Arbor if your company needs product carbon footprints alongside emissions measurement for assets or organizational activity. Review the Starter material and seat limits, or consider Enterprise for options such as dedicated support, role-based access, and custom integrations.
Visit Arbor
Paid Web
Carbon Accounting AI provides spend-led emissions classification with evidence, review controls and reporting packs. Its own demo limitations and security certification status should be considered alongside the plan level you need.
Visit Carbon Accounting AIThe facts
| Arbor | Carbon Accounting AI | |
|---|---|---|
| Free plan | Not published | No |
| Open source | Not published | Not published |
| Runs on | API, Web | Web |
| Lowest paid plan | See the plans | Ledger: $390 a month |
| Plans published | 3 | 4 |
| Maker | Not published | Not published |
| Website | arbor.eco | carbonaccounting.ai |
| On carbon accounting software | #14 of 31 | #18 of 31 |
Arbor: what it does well
- Measures product footprints and supports Scope 3 accounting.
- Assesses company-owned fleets and buildings for Scope 1 and 2.
- Models material and design choices before production.
- Breaks down emissions for multi-component products.
- Offers product, avoided-emissions, and scope reports.
What to know first
- Starter is limited to 50 materials and one seat.
- Starter calculations are cradle-to-gate.
- Unlimited includes three seats.
Carbon Accounting AI: what it does well
- Imports AP, ERP, utility and fuel-card data
- AI classifications include confidence per line
- Supports EPA, EU and UK factor families
- Source links and timestamped review queue
- Provides CSRD, CBAM and ISSB report packs
What to know first
- No free plan
- Demo is not an audit-grade inventory
- No SOC 2 or ISO 27001 certificate today
- Enterprise pricing is custom
Alternatives to Arbor Alternatives to Carbon Accounting AI The whole list