Azure AI SearchCloud search and vector retrieval service on Microsoft Azure
vs
VespaThe AI Search Platform for fast, accurate AI search
Comparison · Vector Databases · weekly run Nov 2
Azure AI Search vs Vespa
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Vespa is the stronger AI pick in Vector Databases: it has a visibility score of 3.8 versus 1.2 for Azure AI Search, and ranks ahead in 100% of the answers that name both.
Choose Azure AI Search if…
- You need ISO 27001 or ISO 27018 or ISO 27701 or SOC 2 or FedRAMP or HIPAA or GDPR coverage
- Strong analyst recognition as a vector database vendor
Choose Vespa if…
- You want the brand AI engines rank higher (3.8 vs 1.2)
- Massive-scale big data serving engine and AI search platform
- Billion-scale hybrid search with native tensor calculations
- Suited to sophisticated recommendation, ranking, and personalization with custom ranking logic
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Azure AI Search | Vespa |
|---|---|---|
| Visibility score | 1.2% | 3.8% |
| Change vs last week | New | New |
| Rank in Vector Databases | #23 | #17 |
| Share of voice | 0.6% | 1.9% |
| Mentions this run | 3 | 9 |
| Positive in AI answers | 67% | 67% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Azure AI Search 0pp · Vespa 0pp over 0 weekly runs.
Engine by engine
Vespa leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
Azure AI SearchVespa
Head to head in AI answers
1 engine answers name both brands
0Azure AI Search ranked higher
1Vespa ranked higher
| Prompt | Engine | Azure AI Search | Vespa |
|---|---|---|---|
| Which Vector Databases vendors do analysts recommend? | ChatGPT | #6 | #4 |
Features, pricing & fit
| Dimension | Azure AI Search | Vespa |
|---|---|---|
| Deployment | Cloud service on Microsoft Azure with Dedicated tiers and a Serverless consumption-based pricing model in preview | Open source for self-hosting, Vespa Cloud fully managed on AWS and Google Cloud marketplaces, and Enclave, which runs hosts in the customer's own cloud account. |
| Compliance | ISO 27001, ISO 27018, ISO 27701, SOC 2, FedRAMP, HIPAA, GDPR | — |
| Support | — | Developer center and documentation, Vespa Slack community |
| Founded | — | 2023 |
| Headquarters | — | Trondheim, Norway |
| Employees | — | 51–200 |
| Funding | — | Series A, led by Blossom Capital · $31M raised |
| Best for | — | Teams building search, retrieval-augmented generation, recommendation and personalization applications that must run at large scale. |
Pros and cons
Themes from the AI answers that mention each brand
Azure AI Search
- Strong analyst recognition as a vector database vendor
Vespa
- Massive-scale big data serving engine and AI search platform
- Billion-scale hybrid search with native tensor calculations
- Suited to sophisticated recommendation, ranking, and personalization with custom ranking logic
- High-throughput serving
- Recognised by analysts among strongest vector database vendors
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Azure AI Search vs Vespa”, https://slateindex.ai/compare/azure-ai-search-vs-vespa, data of Nov 2, 2026. Licence: CC BY 4.0.