CorpusIQ vs Glean: What Each One Does

Glean searches your company knowledge. CorpusIQ is the layer that gives AI assistants live access to your business data, alongside 40+ connected tools, in ChatGPT, Claude, and Perplexity.

Quick comparison

Capability	Glean	CorpusIQ
Primary job	enterprise knowledge search and AI assistant	Cross-source business answers in ChatGPT, Claude, Perplexity
Data access	Its own data	Reads Glean AND 40+ other tools in one prompt
AI surface	Glean Assistant inside the search product	Any AI you already use, via MCP
Answer format	Native reports	Source-cited plain-English answers
Data stored	Your records	Live retrieval, scoped retention, no raw customer files or full payloads

When to use Glean alone

Glean is the right system for enterprise knowledge search and AI assistant. It is built for that job and does it well. If that is your only need, Glean is the answer.

When to add CorpusIQ

The pain starts when documents are not the same thing as live numbers. Glean finds the file. CorpusIQ answers the question from live systems with citations.

CorpusIQ connects Glean to those systems and exposes all of them to ChatGPT, Claude, and Perplexity. ask "what is our true ROAS across Shopify, Google Ads, and GA4" and get a cited answer from live connectors.

FAQ

Does CorpusIQ replace Glean?

No. Glean stays your system of record for its job. CorpusIQ reads from it with read-only OAuth. External-source retrieval tools are read-only; write-capable and control-plane tools are separately named and annotated.

Can I use Glean data in ChatGPT today?

Yes. Connect Glean once, then ask ChatGPT business questions with live, cited answers.

Is my data safe?

Read-only OAuth. No retained raw customer files or full connector payloads; operational logs and indexes are disclosed separately. CASA Tier 2 certified by DEKRA, hosted on Microsoft Azure.

Try it

30-day free trial, no credit card, all 40+ connectors: corpusiq.io/pricing