Persefoni vs Sphera: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Persefoni and Sphera side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, Persefoni leads on a free plan. We do not name an overall winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Persefoni
Measure, report, and decarbonize your organization's carbon footprint with AI-powered precision.
Best for you if:
- • You want a free tier before you commit
Sphera
Achieve sustainability and operational risk goals with an integrated software platform and comprehensive data.
Best for you if:
- • You want provides a 360-degree view of sustainability and performance
| At a Glance | Persefoni | Sphera |
|---|---|---|
Starts at | Free plan | Not published |
Category | Sustainability & ESG Analytics | Sustainability & ESG Analytics |
Rating | 4.8/5 G2 4.8 · Capterra 4.9 20 reviews | 4.0/5 G2 4.0 11 reviews |
Free plan | Yes | No |
Watch out for | Many key features are 'Add-on' in PRO tier | n/a |
Choose Persefoni or Sphera?
Choose Persefoni if
- You want a free tier before you commit
- You want comprehensive coverage of Scope 1, 2, and 3 emissions
- You want AI-driven tools enhance accuracy and efficiency in carbon accounting
Choose Sphera if
- You want provides a 360-degree view of sustainability and performance
- You want offers extensive, industry-standard, third-party-verified datasets for emissions calculations
In-Depth Analysis
Persefoni
Measure, report, and decarbonize your organization's carbon footprint with AI-powered precision.
Persefoni's pricing structure is opaque, with only a 'Start for free' PRO tier and 'Request a demo' for the ADVANCED tier.
Watch out
Many key features are 'Add-on' in PRO tier
Strengths
- Pro: Comprehensive coverage of Scope 1, 2, and 3 emissions
- Pro: AI-driven tools enhance accuracy and efficiency in carbon accounting
- Pro: Strong focus on regulatory compliance, including specific solutions for California SB 253 and SB 261
- Pro: Expert support and advisory services from sustainability and regulatory specialists
- Pro: High data security and assurance standards (SOC 1 Type II, SOC 2 Type II, ISO 27001, ISO 27017)
Weaknesses
- Con: Specific pricing tiers and detailed feature breakdowns for each tier are not immediately transparent without requesting a demo or signing up.
- Con: Some advanced AI features like natural language emission factor mapping are listed as "coming soon".
Key features
Sphera
Achieve sustainability and operational risk goals with an integrated software platform and comprehensive data.
Strengths
- Pro: Provides a 360-degree view of sustainability and performance.
- Pro: Offers extensive, industry-standard, third-party-verified datasets for emissions calculations.
- Pro: Integrates AI tools for predictive risk alerts and sustainability automation.
- Pro: Backed by expert consulting services with involvement in global reporting standards.
- Pro: Eliminates data silos through its integrated SpheraCloud platform.
Weaknesses
- Con: Specific pricing details are not publicly available, requiring direct contact for quotes.
- Con: Requires integration into existing enterprise systems, which may involve implementation effort.
Key features
Plans and prices: Persefoni vs Sphera
| Tool | Plans and prices | Source |
|---|---|---|
| Persefoni |
| persefoni.com/pricing read Nov 2, 2026 |
| Sphera | No plan prices on file | sphera.com/pro |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Persefoni pricing and Sphera pricing.
Key Takeaways
Persefoni
- Has a free plan
Sphera
- Choose if you want achieve sustainability and operational risk goals with an integrated software platform and comprehensive data
What the data shows
On the data below, Persefoni leads on a free plan. We do not name an overall winner for this pair.
- User ratings rest on too few reviews to rank (4.8/5 from 20 reviews for Persefoni, 4.0/5 from 11 reviews for Sphera; we compare ratings only above 20 reviews on both sides).
- Only Persefoni has a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Persefoni and Sphera compare in 2026?
On the data below, Persefoni leads on a free plan. We do not name an overall winner for this pair. User ratings rest on too few reviews to rank (4.8/5 from 20 reviews for Persefoni, 4.0/5 from 11 reviews for Sphera; we compare ratings only above 20 reviews on both sides). Only Persefoni has a free plan.
What are Persefoni and Sphera used for?
Persefoni: Measure, report, and decarbonize your organization's carbon footprint with AI-powered precision. Sphera: Achieve sustainability and operational risk goals with an integrated software platform and comprehensive data.
What does Persefoni cost vs Sphera?
Persefoni has no public paid-plan price on file. Sphera has no public paid-plan price on file. Prices read on the vendors' pricing pages, latest check Nov 2, 2026.
What's the main difference between Persefoni and Sphera?
Persefoni's main strength: comprehensive coverage of Scope 1, 2, and 3 emissions. Sphera's main strength: provides a 360-degree view of sustainability and performance.