Algolia vs Weaviate

AI search & discovery — keyword + neural + personalization
vs. Open-source vector DB with hybrid search + modular embeddings

Algolia website ↗Weaviate website ↗

Pricing tiers

Algolia

Build (Free)

10K search requests/mo, 1M records. Full features for dev/testing.

Free

Grow (PAYG)

Free up to 10K searches/mo + 100K records. $0.50 per 1K additional searches + $0.40 per 1K additional records.

$0 base (usage-based)

Grow Plus (PAYG)

Adds AI Ranking, Advanced Personalization, AI Synonyms, 10k rules/index. $1.75 per 1K searches.

$0 base (usage-based)

Elevate

Annual. NeuralSearch + AI Collections + Smart Groups + real-time personalization. 99.999% SLA, SSO.

Custom

Algolia website ↗

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

Weaviate website ↗

Free-tier quotas head-to-head

Comparing build on Algolia vs sandbox on Weaviate.

Metric	Algolia	Weaviate
No overlapping quota metrics for these tiers.

Features

Algolia · 16 features

A/B Testing — Compare two index configurations on live traffic.
AI Ranking — Dynamic re-ranking based on clicks + conversions.
Algolia Crawler — Hosted crawler to index websites.
Autocomplete — JavaScript autocomplete UI library.
Insights API — Send click + conversion events to train AI Ranking.
InstantSearch UI — UI libraries: React, Vue, Angular, iOS, Android — prebuilt search components.
Keyword Search — Fast prefix + typo-tolerant full-text search.
MCP Tools — Algolia MCP server for agent integrations.
Merchandising Studio — No-code UI for merchants to pin/bury/boost products.
NeuralSearch — Hybrid vector + keyword search.
Personalization — Per-user ranking based on click history.
Query Suggestions — AI-generated suggestion index from past searches.
Recommend — Product recommendations: Related, Frequently Bought Together, Trending.
Rules — Conditional overrides: pin results, banners, redirects, boost/bury.
Search Analytics — Top searches, no-result searches, click-through rates.
Synonyms — Equivalent term groups + typo-tolerance tuning.

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.

Developer interfaces

Kind	Algolia	Weaviate
CLI	Algolia CLI	—
SDK	algoliasearch-client-go, algoliasearch-client-kotlin, algoliasearch-client-swift, algoliasearch-java, algoliasearch (JS), algoliasearch-php, algoliasearch-python, algoliasearch-rails, react-instantsearch	weaviate-client, weaviate-go-client, weaviate-java-client, weaviate-ts-client
REST	Algolia Admin API, Algolia Search API	Weaviate REST API
GRAPHQL	—	Weaviate GraphQL
MCP	—	Weaviate MCP
OTHER	—	Weaviate gRPC

Staxly is an independent catalog of developer platforms. Outbound links to Algolia and Weaviate are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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