# ISS ESG: how AI models rank it, November 2026

Gane Index, November 2026 Edition. Named in 3 judge labels across 1 category by 3 of 14 models. Page: https://www.gane.ai/index/finance/vendors/iss-esg

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| [ESG and carbon reporting](https://www.gane.ai/index/finance/corporate/esg-and-carbon-reporting/index.md) | 0% | 117 | 67% | 3 |

## What the models said for it

- "Well-Established Providers: MSCI ESG Research, Sustainalytics, ISS ESG, S&P Global Sustainable1." (MiniMax M2.5, ESG and carbon reporting)

## And against it

- "ISS was sued by four state attorneys general ... over allegedly misleading investors about its objectivity" (DeepSeek V4 Flash, ESG and carbon reporting)
- "ISS ESG – poor communication with rated companies; data gathering criticized" (Kimi K2, ESG and carbon reporting)

## By model

| Model | First choice | Alternative | Mention | Warning | Labels |
|---|---|---|---|---|---|
| Claude Haiku 4.5 | 0 | 0 | 0 | 0 | 0 |
| GPT-5.4 mini | 0 | 0 | 0 | 0 | 0 |
| Gemini 3.5 Flash | 0 | 0 | 0 | 0 | 0 |
| Perplexity Sonar | 0 | 0 | 0 | 0 | 0 |
| Grok 4.20 | 0 | 0 | 0 | 0 | 0 |
| Mistral Small | 0 | 0 | 0 | 0 | 0 |
| DeepSeek V4 Flash | 0 | 0 | 0 | 1 | 1 |
| Llama 4 Maverick | 0 | 0 | 0 | 0 | 0 |
| Qwen 3.7 Flash | 0 | 0 | 0 | 0 | 0 |
| Kimi K2 | 0 | 0 | 0 | 1 | 1 |
| GLM 4.7 FlashX | 0 | 0 | 0 | 0 | 0 |
| MiniMax M2.5 | 0 | 1 | 0 | 0 | 1 |
| GPT-6 Luna | 0 | 0 | 0 | 0 | 0 |
| Muse Glimmer 30B | 0 | 0 | 0 | 0 | 0 |

## Sources returned with these answers

The sites and pages cited by the answers that named ISS ESG, from 2 of the 3 answers that named it (only the models that return a source list).

### Domains cited

- blog.worldfavor.com: 2
- eur-lex.europa.eu: 2
- financialservices.house.gov: 2
- onlinelibrary.wiley.com: 2
- stblaw.com: 2
- abnamro.com: 1
- ago.nebraska.gov: 1
- api.mziq.com: 1
- arxiv.org: 1
- bdo.com: 1

### Pages cited

- https://blog.worldfavor.com/how-companies-relying-on-esg-ratings-escalate-the-risk-of-unintentional-greenwashing: 2
- https://financialservices.house.gov/uploadedfiles/hfsc_esg_working_group_staff_report.pdf: 2
- http://link.springer.com/content/pdf/10.1057/s41260-025-00432-0.pdf: 1
- https://abnamro.com/research/en/our-research/esg-strategist-investors-do-not-agree-among-themselves-or-with-esg-rating: 1
- https://ago.nebraska.gov/sites/default/files/doc/Letter_7.pdf: 1
- https://api.mziq.com/mzfilemanager/v2/d/b6d5d02a-d245-4afb-987b-797f529e3d41/46393403-120f-f82c-f8f3-b5d91d8731aa: 1
- https://arxiv.org/html/2312.00202v2: 1
- https://bdo.com/getContentAsset/383571fb-7b98-42d2-ba77-a65b60f56039/dfc3d011-8f63-43f6-9ed8-4b444333a1d0/ESG-How-to-Avoid-Greenwashing-Insight.pdf: 1

## Record

- Method: https://www.gane.ai/index/finance/methodology
- License: CC BY 4.0. Cite as Gane Index, November 2026 Edition, www.gane.ai/index/finance.