# ESG and carbon reporting for enterprise buyers: what AI models recommend, September 2026

Finance AI Recommendation Index, September 2026 Edition. Asked as "ESG reporting software" and as "carbon accounting platform", six framings each, to twelve models with search on, on behalf of an enterprise B2B company. Page: https://finance-ai-index.com/corporate/esg-and-carbon-reporting/enterprise/

**Standing:** Workiva leads with 38% of first choices; verdict contested. 50 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| # | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | Workiva | 38% | 5% | 42 |
| 2 | Watershed | 20% | 9% | 33 |
| 3 | IBM Envizi | 10% | 21% | 38 |
| 4 | Sweep | 6% | 5% | 19 |
| 5 | Persefoni | 4% | 14% | 28 |
| 6 | Normative | 2% | 9% | 11 |
| 7 | Enablon | 2% | 27% | 11 |
| 8 | Salesforce Net Zero Cloud | 2% | 33% | 18 |
| 9 | Novisto | 0% | 10% | 20 |
| 10 | Diligent ESG | 0% | 0% | 15 |
| 11 | Sphera | 0% | 21% | 19 |
| 12 | SAP Sustainability Control Tower | 0% | 33% | 18 |

## Each model's first choice on the direct prompt

- Claude Haiku 4.5: Workiva; alternatives Diligent ESG, IBM Envizi, Watershed
- GPT-5.4 mini: Workiva; alternatives Diligent ESG, IBM Envizi
- Gemini 3.5 Flash: Watershed, Workiva; alternatives IBM Envizi, SAP Sustainability Control Tower, Salesforce Net Zero Cloud, Sphera
- Perplexity Sonar: Workiva; alternatives Benevity, Diligent ESG, IBM Envizi, Pulsora
- Grok 4.1 Fast: Workiva; alternatives IBM Envizi
- Mistral Small: Sweep, Workiva; alternatives OneTrust, Riskonnect
- DeepSeek V4 Flash: Workiva; alternatives Diligent ESG, IBM Envizi, Normative, Watershed
- Llama 4 Maverick: Workiva; alternatives ESG:ONE, Emission Twin, Guideflow, Sustaenia
- Qwen 3.7 Flash: Workiva; alternatives Cority, Diligent One Platform, IBM Envizi, Novisto
- Kimi K2: Pulsora, Watershed, Workiva; alternatives Novisto, Persefoni, SAP Sustainability Control Tower, Sphera
- GLM 4.7 FlashX: Workiva; alternatives Coupa, Enablon, Novisto, Refinitiv
- MiniMax M2.5: Persefoni; alternatives Coolset, Enablon, Microsoft Sustainability Manager, Sphera

## Sources the answers cite

66 of 72 answers came back with a source list, from 12 of 12 models. Sites named in the most answers:

- guideflow.com: 38 answers, 40 citations
- gartner.com: 33 answers, 47 citations
- esg-one.co: 24 answers, 26 citations
- coolset.com: 24 answers, 24 citations
- pulsora.com: 22 answers, 23 citations
- horizonesg.global: 17 answers, 22 citations
- sustaenia.com: 17 answers, 17 citations
- onestopesg.com: 16 answers, 18 citations

Pages named in the most answers:

- https://guideflow.com/blog/esg-reporting-software (36 answers)
- https://gartner.com/reviews/market/esg-management-and-reporting-software (29 answers)
- https://coolset.com/academy/best-esg-reporting-software-tools (23 answers)
- https://pulsora.com/blog/best-esg-reporting-software (21 answers)
- https://esg-one.co/blog/esg-reporting-software-comparison (20 answers)
- https://horizonesg.global/best-esg-reporting-software (17 answers)
- https://bigeasymagazine.com/2026/08/26/7-best-esg-reporting-and-disclosure-software-ranked-and-reviewed (16 answers)
- https://emissiontwin.com/blog/best-esg-reporting-software (12 answers)
- https://sustaenia.com/learn/the-best-esg-tools (12 answers)
- https://aibusinessgeek.com/articles/ai-esg-reporting-software-2026 (11 answers)

## Warned against

- Salesforce Net Zero Cloud: 6 of 18 labels negative. "Certain large tech firms (e.g., Salesforce, IBM) are often avoided by consultants due to perceived inferiority compared to specialized ESG vendors." (Mistral Small, negative prompt)
- IBM Envizi: 8 of 38 labels negative. "steering clear of solutions from big tech firms like IBM, Salesforce, and others, as they may be inferior" (Llama 4 Maverick, negative prompt)
- SAP Sustainability Control Tower: 6 of 18 labels negative. "SAP Sustainability Control Tower (per active user/mo) become unpredictable/costly at thousands of users" (Grok 4.1 Fast, budget prompt)
- Oracle: 4 of 4 labels negative. "many specialized ESG consultants advise caution when relying on their core ERPs or CRMs for primary ESG reporting" (Qwen 3.7 Flash, negative prompt)

## Record

- Method: https://finance-ai-index.com/methodology/
- Raw judge labels and full responses: https://finance-ai-index.com/data/
- License: CC BY 4.0. Cite as Finance AI Recommendation Index, September 2026 Edition, finance-ai-index.com.