ConceptNet · Pricing Plans

Conceptnet Plans Pricing

ConceptNet is free and open-source. There are no paid tiers, API keys, or subscription plans. The public REST API at api.conceptnet.io is available to anyone at no cost under the CC BY-SA 4.0 license. Users who need higher throughput or private deployments can self-host the full ConceptNet database using the open-source codebase.

Conceptnet Plans Pricing is the machine-readable pricing-plan profile for ConceptNet on the APIs.io network, conforming to the API Commons Plans specification.

It defines 2 plans, with named plans including Free Public API, Self-Hosted.

Tagged areas include Knowledge Graph, NLP, Semantic Web, Common Sense, and Multilingual.

2 Plans
View Source
Knowledge GraphNLPSemantic WebCommon SenseMultilingualWord EmbeddingsLinked DataOpen Data

Plans

Free Public API

Unlimited, unauthenticated access to the ConceptNet REST API hosted at api.conceptnet.io. No registration or API key is required. Rate limits apply to ensure fair use across all users.

Self-Hosted

Download and run ConceptNet locally using the open-source Python codebase. Requires a Unix environment, Python 3.5+, and 30 GB RAM. No rate limits apply to local instances.

Work with this as data

Every plan here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for plans

4 MCP tools reach this
  • find_plansBrowse and filter every plan in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This plan 
curl "https://apis.io/api/v1/plans/conceptnet-plans-pricing"
All plans 
curl "https://apis.io/api/v1/plans?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

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A second provider on the same verified email joins the account you already have.