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Alternatives

10 best Qdrant alternatives

Tools that cover the same task as Qdrant (vector database), ranked by how completely their pricing, free tier and API access are documented. Checked Oct 4, 2026.

Qdrant starts at
Not listed
Free plan
Free plan
API
API available
  1. 01

    Chroma

    Chroma provides open-source and cloud search infrastructure for AI with vector, full-text, regex, and metadata search backed by object storage. Chroma Cloud adds serverless scaling, SOC 2 controls, and usage-based billing for production workloads.

    • From $250/mo
    • Free plan
    • API available

    Best for: Developers building RAG or agent apps who want Apache 2.0 local development with optional managed cloud scaling.

  2. 02

    Pinecone

    Pinecone is a managed vector database and AI knowledge platform for semantic search, RAG, agents, and enterprise knowledge serving with dense, sparse, and full-text indexes. Nexus compiles enterprise data into governed knowledge to cut token usage versus multi-step agentic retrieval.

    • From $20/mo
    • Free plan
    • API available

    Best for: Teams building production RAG, agents, or search who need low-latency vector retrieval with managed scaling.

  3. 03

    endee

    Endee is an AI search and intelligence platform combining vector, full-text, and multi-vector retrieval with quantization for billion-scale semantic search, RAG, and edge deployments. Managed cloud plans cover collections and query quotas, while nNav brings GPS-denied visual navigation onboard drones using the same vector engine.

    • From $99/mo
    • Free plan
    • API available

    Best for: Teams building semantic search, recommendations, RAG pipelines, or edge AI that need unified vector and text retrieval at scale.

  4. 04

    Langfuse

    Langfuse is an open-source LLM engineering platform for tracing, evaluating, and improving AI agents with collaborative debugging and metrics. Langfuse Cloud offers hosted Hobby, Core, and Pro tiers metered in observability units.

    • From $29/mo
    • Free plan
    • API available

    Best for: AI engineers who need open-source-friendly observability and eval workflows without building tooling in-house.

  5. 05

    Aiven

    Aiven is a managed open-source data platform spanning PostgreSQL, Kafka, OpenSearch, ClickHouse, Grafana, and related services. It targets teams that want cloud-hosted databases and streaming infrastructure with transparent plan-based pricing across major hyperscalers.

    • From $5/mo
    • Free plan
    • API available

    Best for: Platform engineers who need managed OSS data services without operating their own Kubernetes database operators.

  6. 06

    Medplum

    Medplum is an open-source healthcare developer platform for building and running modern clinical apps on FHIR-native infrastructure. It offers hosted cloud tiers and self-hosted options with bots, integrations, authentication, and compliance features aimed at digital health teams shipping production patient-facing software.

    • From $2,000/mo
    • Free plan
    • API available

    Best for: Healthcare engineering teams building FHIR-based apps who need an open-core platform with hosted or self-managed deployment paths.

  7. 07

    Mem0

    Mem0 provides persistent memory infrastructure for AI agents and applications so context survives across sessions, users, and agents. The platform offers hosted plans with SDK integration plus open-source options for developers building production agents that need durable recall.

    • From $19/mo
    • Free plan
    • API available

    Best for: Agent builders and app teams that need hosted memory layers with defined add and retrieval quotas.

  8. 08

    Letta

    Letta is an AI research lab and product company building stateful agents whose memory and capabilities evolve over time, originating from MemGPT research. It ships Letta Agent software, a CLI, and cloud plans for individuals, teams, and API developers.

    • From $20/mo
    • Free plan
    • API available

    Best for: Engineers and teams building long-horizon coding or workflow agents that need durable memory and sandboxed execution.

  9. 09

    Thingsboard

    ThingsBoard is an open-source IoT platform for device management, telemetry ingestion, dashboards, rule chains, and alarms across cloud or on-premises deployments. It offers ThingsBoard Cloud subscriptions, private cloud clusters, and downloadable Professional Edition licences for edge-to-cloud IoT products.

    • From $49/mo
    • Free plan
    • API available

    Best for: IoT product teams needing scalable telemetry pipelines, visualization, and multi-tenant device management.

  10. 10

    Baserow

    Baserow is an open-source no-code database and application builder for grids, forms, automations, dashboards, and self-hosted deployments. Cloud pricing offers a free workspace tier and paid Premium seats with higher row limits, storage, and automation credits, or you can self-host the open-source edition.

    • From $12/mo
    • Free plan
    • API available

    Best for: Operations teams, product managers, and developers who want Airtable-like databases with optional self-hosting and API access.

Qdrant alternatives: common questions

What is the best free alternative to Qdrant?

Chroma has an ongoing free plan. Starter plan is $0 per month plus usage with $5 in free credits to begin Free plans change, so check the vendor before relying on one.

What is the cheapest Qdrant alternative?

Aiven has the lowest listed starting price at $5/mo.

Which Qdrant alternatives have an API?

Chroma, Pinecone, endee, Langfuse, Aiven mention API or developer access.