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Alternatives

10 best MLDB alternatives

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

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

    Knime

    KNIME provides a free open-source Analytics Platform for visual data science workflows spanning ETL, analytics, machine learning, and generative AI. Paid Hub plans add collaboration, automation, secrets management, and enterprise governance on top of the desktop builder.

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

    Best for: Data teams and analysts who want drag-and-drop pipelines with optional paid automation and team governance in KNIME Hub.

  2. 02

    Hugging Face

    Hugging Face is the central collaboration platform and repository for machine learning, hosting over 1 million open-source models, datasets, and ML demonstration applications (Spaces). It provides Inference Endpoints, Spaces hosting, AutoTrain, and the Transformers library ecosystem.

    • From $9/mo
    • Free plan
    • API available

    Best for: Machine learning practitioners, software developers, researchers, and organizations building, hosting, and sharing open-source AI models and datasets.

  3. 03

    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.

  4. 04

    Defang

    Defang helps engineering teams become AI-native while keeping sovereignty over cloud, models, data, and deployment. Its product line includes Defang Station for running agents, Defang Deploy for shipping to your own cloud accounts, and Defang Forge for building capability, framed around an AI-Native Maturity Model and ROI workflow.

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

    Best for: Engineering leaders and platform teams who want to run and deploy AI agents and apps in AWS accounts they control rather than a black-box vendor runtime.

  5. 05

    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.

  6. 06

    DocuPilot

    DocuPilot is a GitHub App that automatically generates and updates README, CHANGELOG, and API documentation when you push code. It reads push diffs only, opens pull requests for doc changes, and supports configuration through a .docupilot.yml file in each repository.

    • From $9/mo
    • Free plan
    • API unknown

    Best for: Developers and teams who want doc maintenance tied to git pushes rather than manual README edits.

  7. 07

    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.

  8. 08

    Chattie

    Chattie is a no-code widget for adding ChatGPT-style bots to websites, trained on pages, PDFs, DOCX, CSV, and pasted text. It includes theme and CSS customization, analytics, and tiered limits on chatbots, monthly messages, and training data size.

    • From $29/mo
    • Free to start
    • API unknown

    Best for: Site owners who want branded onsite chatbots trained on their content without building backend LLM infrastructure.

  9. 09

    Better Auth

    Better Auth is a TypeScript authentication framework that lives in your application code with plugins for sessions, social login, organizations, passkeys, API keys, and enterprise SSO. The vendor also sells managed infrastructure with dashboards, audit logs, and security detections while the core framework stays open source.

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

    Best for: Developers building Next.js, Nuxt, SvelteKit, Hono, and other TypeScript apps who want composable auth in code plus optional hosted infrastructure.

  10. 10

    Nhost

    Nhost is a managed backend platform built on Postgres with GraphQL, authentication, file storage, and serverless functions. The homepage promises launch-in-minutes hosting for full-stack apps, emphasizing predictable scaling, built-in auth providers, and a unified control plane instead of stitching separate database, auth, and storage vendors.

    • From $25/mo
    • Free plan
    • API available

    Best for: Teams building Postgres-backed web or mobile apps who want managed GraphQL, auth, and storage without operating their own backend stack.

MLDB alternatives: common questions

What is the best free alternative to MLDB?

Knime has an ongoing free plan. KNIME Analytics Platform is free for local desktop use with optional free Personal account perks such as limited K-AI assistant interactions. Free plans change, so check the vendor before relying on one.

What is the cheapest MLDB alternative?

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

Which MLDB alternatives have an API?

Hugging Face, Aiven, Chroma, Medplum, Better Auth mention API or developer access.