# Sweep vs Coolset: which do AI models recommend for ESG and carbon reporting, September 2026

Finance AI Recommendation Index, September 2026 Edition, ESG and carbon reporting. Six of twelve models named Sweep first on the direct prompt; zero named Coolset. Page: https://finance-ai-index.com/corporate/esg-and-carbon-reporting/sweep-vs-coolset/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Sweep | 25% | #1 of 15 | 3% | 37 | 11 of 12 |
| Coolset | 8% | #5 of 15 | 0% | 19 | 10 of 12 |

## The direct prompt, model by model

- Gemini 3.5 Flash: sweep first (first choices: Greenly, Sweep) (alternatives: Coolset, Novata)
- Grok 4.1 Fast: sweep first (first choices: Sweep) (alternatives: Coolset, Novisto)
- Mistral Small: sweep first (first choices: Sweep) (alternatives: Coolset, EcoOnline ESG)
- DeepSeek V4 Flash: sweep first (first choices: Sweep) (alternatives: Coolset, Greenly, Plan A, Tanso)
- Llama 4 Maverick: sweep first (first choices: EcoOnline ESG, Novisto, Sweep)
- MiniMax M2.5: sweep first (first choices: EcoOnline ESG, Sweep) (alternatives: Coolset, Normative, Novisto, Plan A)
- Claude Haiku 4.5: neither first, one named (first choices: EcoOnline ESG) (alternatives: Greenstone, Normative, Sphera, Sweep)
- Perplexity Sonar: neither first, one named (first choices: Novisto) (alternatives: EcoOnline ESG, Greenly, Novata, Sweep)
- Qwen 3.7 Flash: neither first, one named (first choices: Novisto) (alternatives: Gravity, LogicGate, Sweep)
- Kimi K2: neither first, one named (first choices: Novisto) (alternatives: Coolset, Sustain.Life, Sweep, Workiva)
- GLM 4.7 FlashX: neither first, one named (first choices: Novisto) (alternatives: EcoOnline ESG, Greenly, Sustain.Life, Sweep)
- GPT-5.4 mini: neither named (first choices: Workiva) (alternatives: IBM Envizi, Novisto, Sphera)

## What the models said about Sweep

- "some unproven mid-market carbon tools like Sweep, Plan A... lack robust data governance" (Grok 4.1 Fast, negative prompt, soft negative)
- "For most mid-market B2B companies, Sweep offers the strongest balance of supply chain support, framework coverage, and mid-market-appropriate pricing." (DeepSeek V4 Flash, direct prompt, first choice)
- "Sweep or Plan A are excellent choices... If you are in Europe and require CSRD alignment, Sweep is highly recommended." (Mistral Small, paraphrase prompt, first choice)
- "Sweep and EcoOnline appear to be the most consistently recommended options tailored to your size and needs" (MiniMax M2.5, direct prompt, first choice)

## What the models said about Coolset

- "Coolset is frequently cited as the "go-to" for mid-market companies... Choose Coolset if you are in Europe and need strict regulatory compliance (CSRD)" (Qwen 3.7 Flash, paraphrase prompt, first choice)
- "Prioritize platforms suited for 500–5,000 employees, like Coolset, ESG:ONE, EcoOnline, or Novisto... Shortlist 3–5: Coolset (multi-framework, AI)" (Grok 4.1 Fast, scale prompt, first choice)
- "Sweep / Coolset / Plan A / ESG:ONE: These are specifically built for upper-mid-market companies." (Gemini 3.5 Flash, scale prompt, first choice)

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all twelve 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.