RedisReal-time data for agents & apps
vs
VespaThe AI Search Platform for fast, accurate AI search
Comparison · Vector Databases · weekly run Nov 2
Redis vs Vespa
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Redis is the stronger AI pick in Vector Databases: it has a visibility score of 7.7 versus 3.8 for Vespa, and ranks ahead in 0% of the answers that name both.
Choose Redis if…
- You want the brand AI engines rank higher (7.7 vs 3.8)
- You need a self-hosted or on-premises option
- You need SOC 2 or ISO 27001 or ISO 27017 or ISO 27018 or ISO 27701 or ISO 42001 or ISO 22301 or ISO 9001 or PCI DSS or HIPAA or GDPR or CCPA or CSA STAR or VPAT or FIPS 140-3 coverage
- You prefer a larger, established vendor (1,001–5,000 employees)
Choose Vespa if…
- AI answers describe it more positively (67% vs 33% positive)
- 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 | Redis | Vespa |
|---|---|---|
| Visibility score | 7.7% | 3.8% |
| Change vs last week | New | New |
| Rank in Vector Databases | #10 | #17 |
| Share of voice | 3% | 1.9% |
| Mentions this run | 14 | 9 |
| Positive in AI answers | 33% | 67% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Redis 0pp · Vespa 0pp over 0 weekly runs.
Engine by engine
Redis leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
RedisVespa
Head to head in AI answers
4 engine answers name both brands
0Redis ranked higher
4Vespa ranked higher
| Prompt | Engine | Redis | Vespa |
|---|---|---|---|
| What are the best Vector Databases tools in 2026? | ChatGPT | #9 | #7 |
| Which Vector Databases vendors do analysts recommend? | ChatGPT | #7 | #4 |
| Official website of the top vector database vendors | ChatGPT | #7 | #5 |
| Official website of the top vector database vendors | Perplexity | #7 | #6 |
Features, pricing & fit
| Dimension | Redis | Vespa |
|---|---|---|
| Pricing model | Usage-based | — |
| Entry price | Free; paid from $0.007 / mo | — |
| Free plan | Yes | — |
| Deployment | Managed cloud service (Redis Cloud) on AWS, Azure and Google Cloud, plus on-premises and hybrid deployment with Redis Software. | 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 | SOC 2, ISO 27001, ISO 27017, ISO 27018, ISO 27701, ISO 42001, ISO 22301, ISO 9001, PCI DSS, HIPAA, GDPR, CCPA, CSA STAR, VPAT, FIPS 140-3 | — |
| Support | Community support on the free plan, Basic support on Essentials plans, Redis support team on paid plans, Knowledge base | Developer center and documentation, Vespa Slack community |
| Founded | 2011 | 2023 |
| Headquarters | San Francisco, CA | Trondheim, Norway |
| Employees | 1,001–5,000 | 51–200 |
| Funding | Series D | Series A, led by Blossom Capital · $31M raised |
| Best for | Developers and digital businesses building fast apps and real-time AI agents that need low-latency data access. | Teams building search, retrieval-augmented generation, recommendation and personalization applications that must run at large scale. |
Plans side by side
Redis
Free$0month
Essentials$0.007hour (from; total $5/month)
Pro$0.014hour (from; minimum $200/month)
Vespa
Pricing not available.
Pros and cons
Themes from the AI answers that mention each brand
Redis
- low-latency vector search alongside caching
- ideal for consolidated enterprise stacks
- fits existing PostgreSQL or MongoDB stacks
- annual plans offer significant savings
- 14-day trial with up to $500 in solution-provider credits
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, “Redis vs Vespa”, https://slateindex.ai/compare/redis-vs-vespa, data of Nov 2, 2026. Licence: CC BY 4.0.