iGPT vs Knowbase.ai (2026): Pricing, Features & Which to Choose

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

Lower starting price
Not comparable
Not comparable: iGPT does not list a price
Free plan
Tie
Both have one
Higher rating
Knowbase.ai
3.6 against 3.8
Same job?
Yes
Both are Productivity tools

Side by side

Compared on	iGPT	Knowbase.ai
Our rating	3.6	3.8Better
Starts at	Free	Free
Free plan	Yes	Yes
Category	Productivity	Productivity
Plans	Free	Free
Key features	Real-time email and attachment indexing Automatic thread reconstruction from scattered messages Hybrid semantic, keyword and filter retrieval Cited responses linking back to source emails Cloud, hybrid or fully private deployment with RBAC	Answers cited back to the source document Chat across a whole document collection Transcript handling alongside documents Chatbots deployed from the same collection Free tier to start
Pros	Cites responses back to the source email, not an unattributed summary Thread reconstruction solves a genuine, specific email annoyance Fully private deployment available for sensitive inboxes	Citations make answers checkable rather than trusted blindly Internal knowledge and customer-facing bot share one source Free tier available
Cons	Indexes an organisation's most sensitive material by definition Deployment model choice matters more here than in most categories No subscription pricing published beyond playground credits	A confident citation of the wrong passage looks like a correct one Pricing tiers are not detailed publicly Answer quality depends on how well the documents are written
Company	iGPT	Knowbase.ai

Prices come from each vendor's pricing page, last checked 20260824. Check the vendor before you buy.

FAQ

Questions people ask

Is iGPT better than Knowbase.ai?

In our reviews iGPT scores 3.6 and Knowbase.ai scores 3.8. The better pick depends on the job. iGPT: Rebuilds a full email thread from scattered messages and cites its sources back to them. Knowbase.ai: Knowledge base that answers from your own documents with citations back to the source.

Which is cheaper, iGPT or Knowbase.ai?

iGPT: free. Knowbase.ai: free.

Do iGPT and Knowbase.ai have free plans?

Yes, both have a free plan.

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