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

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

## The direct prompt, model by model

- Gemini 3.5 Flash: coolset first (first choices: Coolset, Greenly) (alternatives: Gravity, KEY ESG, Novata, Sweep)
- MiniMax M2.5: plan a first (first choices: Plan A, Sweep) (alternatives: EcoOnline ESG, Novata)
- 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)
- 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)
- 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)
- 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)
- Kimi K2: neither named (first choices: Novata, Position Green) (alternatives: Greenly, Novisto, Workiva)
- GLM 4.7 FlashX: neither named (first choices: Workiva) (alternatives: Greenly, Measurabl, Novisto, Persefoni, Position Green)
- GPT-6 Luna: neither named (first choices: Greenly) (alternatives: Novisto, Workiva)

## 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)

## 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.