# Data warehouse and reverse ETL for marketing for enterprise buyers: what AI models recommend, September 2026

Gane Index, September 2026 Edition. Asked as "marketing data warehouse and reverse ETL stack" and as "reverse ETL and warehouse setup for a marketing team", six framings each, to twelve models with search on, on behalf of an enterprise B2B company. Page: https://www.gane.ai/index/gtm/gtm-data/data-warehouse-reverse-etl/2026-09/enterprise

This is the permanent record of the September 2026 Edition, published September 15, 2026 and superseded since. The current standing: https://www.gane.ai/index/gtm/gtm-data/data-warehouse-reverse-etl/enterprise/index.md

**Standing:** Hightouch leads with 44% of first choices; verdict clear leader. 81 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| Rank | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | [Hightouch](https://www.gane.ai/index/gtm/vendors/hightouch/index.md) | 44% | 10% | 67 |
| 2 | [Snowflake](https://www.gane.ai/index/gtm/vendors/snowflake/index.md) | 30% | 5% | 59 |
| 3 | [BigQuery](https://www.gane.ai/index/gtm/vendors/bigquery/index.md) | 11% | 9% | 57 |
| 4 | [Census](https://www.gane.ai/index/gtm/vendors/census/index.md) | 10% | 17% | 66 |
| 5 | [Airbyte](https://www.gane.ai/index/gtm/vendors/airbyte/index.md) | 1% | 7% | 15 |
| 6 | [Improvado](https://www.gane.ai/index/gtm/vendors/improvado/index.md) | 1% | 0% | 13 |
| 9 | [Fivetran](https://www.gane.ai/index/gtm/vendors/fivetran/index.md) | 0% | 10% | 42 |
| 10 | [dbt](https://www.gane.ai/index/gtm/vendors/dbt/index.md) | 0% | 4% | 27 |
| 11 | [RudderStack Reverse ETL](https://www.gane.ai/index/gtm/vendors/rudderstack-reverse-etl/index.md) | 0% | 12% | 26 |
| 12 | [Databricks SQL Warehouse](https://www.gane.ai/index/gtm/vendors/databricks-sql-warehouse/index.md) | 0% | 21% | 29 |
| 13 | [Amazon Redshift](https://www.gane.ai/index/gtm/vendors/amazon-redshift/index.md) | 0% | 31% | 32 |
| 14 | [Polytomic](https://www.gane.ai/index/gtm/vendors/polytomic/index.md) | 0% | 31% | 16 |

Rank is by share of first choices among all 80 products named; products with the same share are tied, and the order among them carries no meaning. The table lists those with at least 10 labels.

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

- Claude Haiku 4.5: BigQuery, Hightouch, Snowflake; alternatives Census, Fivetran, LeadJourney, Polytomic
- GPT-5.4 mini: Hightouch, Snowflake; alternatives Apache Airflow, BigQuery, Census, Databricks SQL Warehouse
- Gemini 3.5 Flash: Hightouch, Snowflake; alternatives Airbyte, BigQuery, Census, Fivetran
- Perplexity Sonar: Snowflake; alternatives BigQuery, Census, Hightouch, Improvado
- Grok 4.20: Hightouch, Snowflake; alternatives BigQuery, Census, Polytomic, dbt
- Mistral Small: Hightouch, Snowflake; alternatives Airbyte, Alation, BigQuery, Census
- DeepSeek V4 Flash: Hightouch, Snowflake; alternatives Airbyte, BigQuery, Census, Fivetran
- Llama 4 Maverick: no first choice
- Qwen 3.7 Flash: Census, Hightouch, Snowflake; alternatives Fivetran, dbt
- Kimi K2: Hightouch, Snowflake; alternatives Airbyte, BigQuery, Census, Databricks SQL Warehouse
- GLM 4.7 FlashX: BigQuery, Census, Hightouch, Snowflake; alternatives Airbyte, Amazon Redshift, Fivetran, Improvado
- MiniMax M2.5: Hightouch, Snowflake; alternatives Amazon Redshift, BigQuery, Census, Domo

## Sources the answers cite

23 of 72 answers came back with a source list, from 4 of 12 models. Sites named in the most answers:

- improvado.io: 15 answers, 34 citations
- hightouch.com: 11 answers, 23 citations
- domo.com: 11 answers, 14 citations
- getbruin.com: 10 answers, 10 citations
- cometly.com: 8 answers, 22 citations
- skyvia.com: 8 answers, 9 citations
- aboutmartech.com: 7 answers, 7 citations
- funnel.io: 6 answers, 11 citations

Pages named in the most answers:

- https://domo.com/learn/article/best-reverse-etl-platforms (11 answers)
- https://improvado.io/blog/best-reverse-etl-tools (11 answers)
- https://getbruin.com/blog/best-reverse-etl-data-activation-tools-2026 (10 answers)
- https://cometly.com/post/marketing-data-warehouse-solution (7 answers)
- https://cometly.com/post/marketing-data-warehouse-platform (6 answers)
- https://cometly.com/post/marketing-data-warehouse-solutions (6 answers)
- https://leadjourney.io/blog/best-marketing-data-warehouse (6 answers)
- https://kleene.ai/blog/reverse-etl-tools (5 answers)
- https://aboutmartech.com/blog/reverse-etl-tools (5 answers)
- https://funnel.io/blog/marketing-data-warehouses (5 answers)

## Warned against

- Census: 11 of 66 labels negative. "The biggest "avoid/thoroughly vet" call here is Census/Fivetran Activations" (DeepSeek V4 Flash, negative prompt)
- Amazon Redshift: 10 of 32 labels negative. "requires significant data engineering... No built-in attribution model, no CAPI activation. (referring to general-purpose warehouses like BigQuery/Redshift)" (Claude Haiku 4.5, negative prompt)
- Hightouch: 7 of 67 labels negative. "Both Census and Hightouch charge based on active segments/users. For "thousands of users," standard pricing would bankrupt you." (Qwen 3.7 Flash, budget prompt)
- Teradata: 5 of 7 labels negative. "Avoid: On-Premises / Legacy Enterprise Data Warehouses (e.g., legacy Oracle, Teradata, IBM Db2)" (Gemini 3.5 Flash, negative prompt)

## Record

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