# Greenly vs Coolset: 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 Coolset. Page: https://finance-ai-index.com/corporate/esg-and-carbon-reporting/greenly-vs-coolset/

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

## The direct prompt, model by model

- Gemini 3.5 Flash: both 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)
- Claude Haiku 4.5: neither first, one named (first choices: EcoOnline ESG) (alternatives: Coolset, Novata, Sweep)
- 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)
- Muse Glimmer 30B: neither first, one named (first choices: Novisto, Sweep) (alternatives: Coolset, Novata)
- 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)
- MiniMax M2.5: neither named (first choices: Plan A, Sweep) (alternatives: EcoOnline ESG, 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 Coolset

- "Generic/high emission factors until customized." (Grok 4.1 Fast, negative prompt, soft negative)
- "I'd pick Coolset for most mid-sized B2B companies because the available guidance specifically points to it as well-suited to the mid-market use case." (Perplexity Sonar, paraphrase prompt, first choice)
- "Mid-market platforms like Coolset, EcoOnline ESG, Sweep, or Guideflow often fit best... Coolset for multi-framework AI" (Grok 4.1 Fast, scale prompt, first choice)
- "Coolset (strong CSRD, EU Taxonomy, EcoVadis coverage)" (DeepSeek V4 Flash, scale prompt, first choice)

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.