Research · Vendor site 2026-10-04
INCEpTION is a web-based annotation platform for building multi-layer text corpora with knowledge-base entity linking, machine-assisted recommenders, and curation workflows. Teams can self-host or try a public demo, define schemes in the browser, and integrate projects through a REST API and webhooks.
NLP, digital humanities, and biomedical annotation teams building gold-standard corpora with ontology linking.
Large-scale hosting is intended for self-managed servers or institutional services such as CLARIN-hosted instances.
INCEpTION combines multi-layer annotation, ontology-linked entity suggestions, curation, and API-driven workflows for distributed corpus building.
What it can do
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| Multi-layer annotation | Homepage highlights entities, relations, coreference, syntax, and document labels editable in one window. | Facts sourced | 2026-10-04 |
| Knowledge-base linking | Site documents ontology import and live SPARQL profiles including Wikidata and SNOMED CT. | Facts sourced | 2026-10-04 |
| Active learning | Marketing copy explains recommenders that improve during a session with active learning on uncertain cases. | Facts sourced | 2026-10-04 |
| Apache 2.0 license | License section states INCEpTION is open source under Apache License v2.0. | Facts sourced | 2026-10-04 |
Understand the total cost
Free
Free
Official downloads and a live demo server are offered; the site does not publish monthly SaaS pricing for the open-source platform.
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INCEpTION is a web-based annotation platform for building multi-layer text corpora with knowledge-base entity linking, machine-assisted recommenders, and curation workflows. Teams can self-host or try a public demo, define schemes in the browser, and integrate projects through a REST API and webhooks.
Official downloads and a live demo server are offered; the site does not publish monthly SaaS pricing for the open-source platform.. This record lists ongoing free access; check the plan limits before starting.
No paid monthly price is listed; this record treats the product as free to start. See the plan cards for entitlements, billing commitments and seat minimums.
Homepage copy describes a REST API to create projects, load documents, and export annotations, plus webhooks on project changes.. API access and subscription access may have different terms; consult the linked sources.
Large-scale hosting is intended for self-managed servers or institutional services such as CLARIN-hosted instances.
No retained pricing changes yet. A current price alone does not establish a historical trend.
Reviewed vendor source
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