Weaviate vs Anthropic API
Open-source vector DB with hybrid search + modular embeddings
vs. API for Claude — frontier models for chat, tool use, agents, and long-context reasoning
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
Anthropic API
Opus 4.7 — usage
Input $5 / output $25 / cache-write $6.25 / cache-read $0.50 per 1M tokens. Batch = 50% off.
Custom
Sonnet 4.6 — usage
Input $3 / output $15 / cache-write $3.75 / cache-read $0.30 per 1M tokens. Batch = 50% off.
Custom
Haiku 4.5 — usage
Input $1 / output $5 / cache-write $1.25 / cache-read $0.10 per 1M tokens. Batch = 50% off.
Custom
Free-tier quotas head-to-head
Comparing sandbox on Weaviate vs opus-4-7 on Anthropic API.
| Metric | Weaviate | Anthropic API |
|---|---|---|
| discount batch | — | 50 % off |
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.
Anthropic API · 0 features
Developer interfaces
| Kind | Weaviate | Anthropic API |
|---|---|---|
| CLI | — | Claude Code CLI |
| SDK | weaviate-client, weaviate-go-client, weaviate-java-client, weaviate-ts-client | Go SDK, Java SDK, Python SDK, Ruby SDK, TypeScript SDK (@anthropic-ai/sdk) |
| REST | Weaviate REST API | AWS Bedrock, Google Vertex AI, Microsoft Azure AI, REST API (Messages + Agents) |
| GRAPHQL | Weaviate GraphQL | — |
| MCP | Weaviate MCP | — |
| OTHER | Weaviate gRPC | — |
Staxly is an independent catalog of developer platforms. Outbound links to Weaviate and Anthropic API are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.
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