Amazon OpenSearchManaged retrieval engine for agentic AI, search, and analytics
vs
TiDBThe distributed SQL database built for AI agents
Comparison · Vector Databases · weekly run Nov 2
Amazon OpenSearch vs TiDB
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
TiDB is the stronger AI pick in Vector Databases: it has a visibility score of 1.9 versus 0 for Amazon OpenSearch.
Choose Amazon OpenSearch if…
- You need HIPAA eligible or PCI DSS or SOC or ISO or FedRAMP or DoD CC SRG or CSA STAR or FIPS 140-2 or ISO 27017 coverage
- You prefer a larger, established vendor (5,000+ employees)
Choose TiDB if…
- You want the brand AI engines rank higher (1.9 vs 0)
- You need ISO/IEC 27001:2013 or SOC 2 Type 2 or GDPR or CCPA coverage
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Amazon OpenSearch | TiDB |
|---|---|---|
| Visibility score | 0% | 1.9% |
| Change vs last week | New | New |
| Rank in Vector Databases | #28 | #20 |
| Share of voice | 0% | 0.7% |
| Mentions this run | 0 | 3 |
| Positive in AI answers | — | — |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Amazon OpenSearch 0pp · TiDB 0pp over 0 weekly runs.
Engine by engine
TiDB leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
Amazon OpenSearchTiDB
Head to head in AI answers
0 engine answers name both brands
0Amazon OpenSearch ranked higher
0TiDB ranked higher
Features, pricing & fit
| Dimension | Amazon OpenSearch | TiDB |
|---|---|---|
| Pricing model | — | Usage-based |
| Entry price | — | Free; paid from $400 / mo |
| Free plan | — | Yes |
| Deployment | Fully managed clusters or the Serverless option | Managed cloud service (TiDB Cloud), bring-your-own-cloud (BYOC) deployment in the customer's cloud account, and self-managed open source |
| Compliance | HIPAA eligible, PCI DSS, SOC, ISO, FedRAMP, DoD CC SRG, CSA STAR, FIPS 140-2, ISO 27017 | ISO/IEC 27001:2013, SOC 2 Type 2, GDPR, CCPA |
| Support | — | Online documentation and setup guides, FAQs, Contact sales |
| Founded | — | 2015 |
| Headquarters | Seattle, Washington | Sunnyvale, California |
| Employees | 5,000+ | 501–1,000 |
| Funding | — | Series A |
| Best for | — | Teams building AI agents and agentic workloads that need vectors, transactions and analytics in one database |
Plans side by side
Amazon OpenSearch
Pricing not available.
TiDB
Starter$0month
Essential (Public Preview)$400month (compute from)
Premium (Public Preview)$1,800month (compute from)
Dedicated$1,376month (cluster from)
BYOC (Public Preview)Custom
TiDB Cloud Lake Personal (Public Preview)$1.6hour (warehouse compute from)
TiDB Cloud Lake Business (Public Preview)$2.4hour (warehouse compute from)
TiDB Cloud Lake Dedicated (Public Preview)Custom
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Amazon OpenSearch vs TiDB”, https://slateindex.ai/compare/amazon-opensearch-vs-tidb, data of Nov 2, 2026. Licence: CC BY 4.0.