Side by side
Carbonfact vs Persefoni
Both stand on carbon emissions management software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Paid APIWeb
Carbonfact combines fashion-focused emissions data, product assessment, reporting, and reduction planning. Pricing is on request, and implementation timelines listed by the company range from six weeks to about four months.
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Free plan APIWeb
Persefoni combines emissions accounting coverage with guided disclosure tools and anomaly detection. The free Pro plan has clear user and reporting limits, while Advanced pricing is available by demo request.
Visit PersefoniThe facts
| Carbonfact | Persefoni | |
|---|---|---|
| Free plan | No | Yes |
| Open source | No | Not published |
| Runs on | API, Web | API, Web |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 7 | 2 |
| Maker | Not published | Not published |
| Website | carbonfact.com | persefoni.com |
| On carbon emissions management software | #6 of 19 | #2 of 19 |
Carbonfact: what it does well
- Covers Scope 1, 2, and 3 accounting.
- Product LCAs cover 16 PEFCR impact indicators.
- Uses over 150,000 fashion-specific emission factors.
- Free supplier plan includes LCA verification.
- Supports API access.
What to know first
- Pricing is on request.
- A first audit-ready GHG Protocol report takes six weeks.
- Full Product LCA implementation takes about four months.
Persefoni: what it does well
- Free Pro plan with unlimited assets and historical years
- Covers Scope 1, 2, and all 15 Scope 3 categories
- Guided disclosures for CSRD, ISSB, and CDP
- Copilot support and AI anomaly detection
- Both plans list four security certifications
What to know first
- Pro is limited to one user
- Detailed GHG Metrics Reports are not included in Pro
- Advanced pricing requires a demo request
- Concierge Support is a paid upgrade
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