Weaviate vs Redis
Open-source vector DB with hybrid search + modular embeddings
vs. The real-time data platform — in-memory DB + cache + vector + search
Pricing tiers
Weaviate
Sandbox (14-day trial)
14-day free trial. Shared cloud cluster. 250 Query Agent req/month.
$0 base (usage-based)
Self-Hosted (OSS)
BSD-3 licensed. Run free on your infra.
$0 base (usage-based)
Flex
From $45/mo pay-as-you-go. Shared HA cluster. 99.5% uptime. 30k Query Agent reqs/mo.
$45/mo
Premium
From $400/mo prepaid. Shared or dedicated. 99.95% uptime. SSO/SAML. Unlimited Query Agent. HIPAA on AWS.
$400/mo
Enterprise
Custom. BYOC / private deployment.
Custom
Redis
Free
30 MB. Single DB. Community support. AWS + GCP only.
Free
Redis OSS
BSD-licensed Redis (or source-available RSALv2 for newer). Self-host free.
$0 base (usage-based)
Essentials
From $5/mo. 250 MB to 100 GB. SAML SSO, RBAC, 99.99% uptime.
$5/mo
Pro
From $200/mo. Dedicated. Active-Active multi-region. Auto-tiering. 99.999% uptime.
$200/mo
Enterprise
Custom annual. SOC2, HIPAA, private deployment.
Custom
Free-tier quotas head-to-head
Comparing sandbox on Weaviate vs free on Redis.
| Metric | Weaviate | Redis |
|---|---|---|
| No overlapping quota metrics for these tiers. | ||
Features
Weaviate · 13 features
- Backups — S3, GCS, Azure Blob backup destinations.
- BYOC — Run managed Weaviate in your own cloud account.
- Compression (PQ/BQ/RQ) — Reduce vector memory footprint by up to 32x.
- Dynamic Indexing — HNSW + flat + dynamic index selection.
- Generative Search — Search + RAG answers in one API call.
- Hybrid Search — Combine BM25 + dense vector search in one query.
- Modular Vectorizers — 60+ plug-in vectorizers + generative AI modules.
- Multi-Tenancy — Per-tenant isolated vector stores in one cluster.
- Query Agent (AI) — Agentic natural-language query generator.
- RBAC — Role-based access control for collections + tenants.
- Replication — Multi-node async + sync replication.
- Self-Host (OSS) — BSD-3 licensed. Docker + k8s Helm.
- Structured Filters — Metadata filters pre + post vector search.
Redis · 21 features
- Active-Active (CRDT) — Multi-region live-write replication.
- Auto-Tiering (Flex) — RAM + SSD tiered storage.
- Bitmaps + Bitfields — Compact boolean storage.
- Geo — Geospatial queries on lat/lon.
- Hashes — Field-value maps per key.
- HyperLogLog — Probabilistic cardinality.
- Lists — Linked list — push/pop/range.
- Lua Scripting — Server-side Lua + Functions.
- Pub/Sub — Channel-based messaging.
- RedisBloom — Bloom + Cuckoo + Count-Min Sketch + TopK.
- Redis Cluster — Horizontal sharding.
- RediSearch — Full-text + vector search engine.
- RedisInsight — Official GUI for Redis.
- RedisJSON — Native JSON document support.
- RedisTimeSeries — Time-series data type.
- Replication — Primary-replica async replication.
- Sets — Unique element sets.
- Sorted Sets (ZSet) — Score-ranked sets for leaderboards.
- Streams — Append-only log (Kafka-like).
- Strings — Primitive + binary-safe key-value.
- Transactions (MULTI/EXEC) — Atomic command batches.
Developer interfaces
| Kind | Weaviate | Redis |
|---|---|---|
| CLI | — | redis-cli |
| SDK | weaviate-client, weaviate-go-client, weaviate-java-client, weaviate-ts-client | go-redis, Jedis + Lettuce, node-redis, redis-py, redis-rs |
| REST | Weaviate REST API | Redis Cloud API |
| GRAPHQL | Weaviate GraphQL | — |
| MCP | Weaviate MCP | — |
| OTHER | Weaviate gRPC | RedisInsight GUI, RESP protocol |
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