# Greenly 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. Four of fourteen models named Greenly first on the direct prompt; one named Plan A. Page: https://finance-ai-index.com/corporate/esg-and-carbon-reporting/greenly-vs-plan-a/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Greenly | 36% | #1 of 13 | 6% | 36 | 12 of 14 |
| Plan A | 3% | #7 of 13 | 0% | 11 | 9 of 14 |

## The direct prompt, model by model

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

## What the models said about Greenly

- "Usually not ideal on a limited budget: tools like Greenly ... can be costly for small businesses" (GPT-5.4 mini, budget prompt, soft negative)
- "High cost for smaller firms; first cycle needs heavy verification." (Grok 4.1 Fast, negative prompt, soft negative)
- "Need supported SME service with transparent pricing: Greenly. The €1,400 / $3,800 per year entry tier is the lowest published SME carbon/CSRD package in 2026." (Muse Glimmer 30B, budget prompt, first choice)
- "That makes it a good first pick when you want automated data collection, a user-friendly UI and lower total cost of ownership." (Muse Glimmer 30B, paraphrase prompt, first choice)
- "Greenly is the strongest all-around choice, offering a balance of affordability, ease of use, and robust features" (Mistral Small, 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.