# Persefoni vs Plan A: which do AI models recommend for ESG and carbon reporting, October 2026

Finance AI Recommendation Index, October 2026 Edition, ESG and carbon reporting. Zero of fourteen models named Persefoni first on the direct prompt; one named Plan A. Page: https://finance-ai-index.com/corporate/esg-and-carbon-reporting/persefoni-vs-plan-a/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Persefoni | 5% | #4 of 13 | 3% | 30 | 14 of 14 |
| Plan A | 3% | #7 of 13 | 0% | 11 | 9 of 14 |

## The direct prompt, model by model

- MiniMax M2.5: plan a first (first choices: Plan A, Sweep) (alternatives: EcoOnline ESG, Novata)
- Qwen 3.7 Flash: neither first, one named (first choices: Watershed) (alternatives: Carbon Cloud, Enablon, Persefoni, PlanA, Sphera)
- GLM 4.7 FlashX: neither first, one named (first choices: Workiva) (alternatives: Greenly, Measurabl, Novisto, Persefoni, Position Green)
- Claude Haiku 4.5: neither named (first choices: EcoOnline ESG) (alternatives: Coolset, Novata, Sweep)
- GPT-5.4 mini: neither named (first choices: Workiva) (alternatives: Credibl ESG, IBM Envizi, Microsoft Cloud for Sustainability)
- Gemini 3.5 Flash: neither named (first choices: Coolset, Greenly) (alternatives: Gravity, KEY ESG, Novata, Sweep)
- Perplexity Sonar: neither named (first choices: Greenly) (alternatives: EcoOnline ESG, Novata, Novisto, Sweep)
- Grok 4.1 Fast: neither named (first choices: Greenly, Sweep) (alternatives: Horizon ESG, cubemos)
- Mistral Small: neither named (first choices: Sweep) (alternatives: EcoOnline ESG, Novata)
- DeepSeek V4 Flash: neither named (first choices: Sweep) (alternatives: Coolset, Greenly, Novisto)
- Llama 4 Maverick: neither named (first choices: Sweep) (alternatives: EcoOnline ESG, Novata)
- Kimi K2: neither named (first choices: Novata, Position Green) (alternatives: Greenly, Novisto, Workiva)
- GPT-6 Luna: neither named (first choices: Greenly) (alternatives: Novisto, Workiva)
- Muse Glimmer 30B: neither named (first choices: Novisto, Sweep) (alternatives: Coolset, Novata)

## What the models said about Persefoni

- "good for complex organizations, but may be overkill for mid-sized" (GLM 4.7 FlashX, paraphrase prompt, soft negative)
- "Choose Watershed or Persefoni if: Your primary immediate pain point is calculating Scope 1, 2, and 3 emissions accurately" (Qwen 3.7 Flash, comparative prompt, first choice)
- "Start for free with carbon + basic reporting: Persefoni Pro." (Muse Glimmer 30B, budget prompt, first choice)
- "Best overall for a mid-sized B2B company: Persefoni" (GPT-5.4 mini, paraphrase prompt, first choice)

## What the models said about Plan A

- "Sweep or Plan A would be the top recommendations" (MiniMax M2.5, direct prompt, first choice)
- "1. Plan A – Best Overall for Mid-Market" (Claude Haiku 4.5, paraphrase prompt, first choice)
- "Greenly or Plan A are often positioned as accessible SMB/mid-market options with guided UX and automated data collection." (Perplexity Sonar, paraphrase prompt, alternative)

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen models, for a mid-market B2B company; rank is within the category. Comparisons are drawn for the top eight products in each category. Published under CC BY 4.0; the output is the models' output, and nothing here is a recommendation by the index.