Head-to-Head BenchmarkUpdated 2026-10-15
CustomGPT.ai vs. Glean vs. Guru (2026): Enterprise RAG & Internal Knowledge Search TCO Audit
Comparing $89/mo turnkey citation-locked RAG against $50,000+/yr enterprise seat minimums and manual wiki cards.
Executive Bottom-Line Verdict
While Glean requires $50,000+ annual seat minimums and months of connector setup, CustomGPT.ai delivers SOC-2 Type II citation-locked RAG across 1,400+ document formats and live sitemaps starting at $89/mo—and can be deployed for both internal employees and external website visitors.
Side-by-Side Technical & Pricing Matrix
| Evaluation Criteria | CustomGPT.ai | Platform B |
|---|---|---|
| Annual Contract Minimum | None — Starts at $89/mo (Standard) with instant self-serve deployment | $40/user/mo (or $50,000+/yr for legacy enterprise search suites) |
| External Customer Widget + API Support | Included (Embed on public docs, helpdesk, or call via Make.com API) | Internal employee seats only |
| Anti-Hallucination Guardrail | Strict context-boundary lock with mandatory inline source citations | Blends public web index with uploaded workspace files |
Which Platform Wins for Your Specific Use Case?
Scenario #1 Winner: CustomGPT.ai
Turnkey Internal + Customer-Facing Citation-Locked RAG Without Seat Minimums
Starts at $89/mo with zero per-seat tax, strict anti-hallucination boundaries, and REST API + Make.com webhook integration.
Scenario #2 Winner: Perplexity Enterprise Pro
Open-Web Market & Competitor Research
Indexes live public web news and SEC filings alongside uploaded files.