DownForAI

Vector DB AI Reliability Ranking — 2026

Vector databases are critical components in RAG pipelines and semantic search. Downtime directly impacts AI application reliability. This ranking shows the most stable vector DB services.

32
Services monitored
0
Community reports (90d)
Last 90 days
Period analyzed

Most Reliable Vector DB Services

🥇
Activeloop
Operational
0
reports in 90 days
🥈
Aerospike Vector Search
Operational
0
reports in 90 days
🥉
Chroma
Operational
0
reports in 90 days

Full Ranking

#ServiceReports (90d)Status
🥇Activeloop0
Operational
🥈Aerospike Vector Search0
Operational
🥉Chroma0
Operational
4Couchbase Capella0
Degraded
5DataRobot0
Operational
6DataStax Astra DB0
Operational
7Deep Lake0
Operational
8Elasticsearch kNN0
Operational
9Epsilla0
Operational
10Faiss0
Operational
11KDB.AI0
Operational
12LanceDB0
Operational
13LanceDB Cloud0
Operational
14Marqo0
Operational
15Milvus0
Operational
16MongoDB Atlas Vector0
Operational
17MyScale0
Operational
18Neon pgvector0
Operational
19OpenSearch kNN0
Operational
20Oracle AI Vector Search0
Unknown
21Redis Vector Search0
Operational
22ScaNN0
Operational
23SingleStore0
Operational
24Snowflake Cortex0
Operational
25Supabase Vector0
Degraded
26Timescale Vector0
Operational
27Turbopuffer0
Operational
28Vald0
Operational
29Vespa0
Operational
30Zilliz0
Operational
31pgvector0
Operational
32txtai0
Operational
Browse all Vector DB services →
Methodology

Period analyzed: 90 rolling days, updated hourly. Sources: Community reports submitted by DownForAI users. This ranking measures perception based on user experience, not technical uptime telemetry.

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Frequently Asked Questions

How is this reliability ranking calculated?

The ranking is based on the number of community reports submitted by DownForAI users over the past 90 days. Services with fewer reports rank higher. Each report represents a user confirming that a service was not working for them.

How many Vector DB services are tracked?

DownForAI currently monitors 32 Vector DB AI services. All services are checked automatically every 75 minutes.