Decide
Side by side.
Structured comparison across all six TIP Score pillars plus pricing, maturity and fit — the highest value in each row is highlighted.
PerplexityGleanNotebookLM
The verdict
Choose Perplexity for market & competitive research. Choose Glean for enterprise knowledge discovery. Choose NotebookLM for studying document sets.
Glean takes integrations & ecosystem (+18) and maturity & reliability (+12); NotebookLM answers on value for money (+16). On the overall score it isn't close: Glean by 3.1.
| Criteria | Perplexity Perplexity AI | Glean Glean | NotebookLM |
|---|---|---|---|
| TIP Score | 83.1Excellent | 86.3ExcellentBest | 83.2Excellent |
| Capability30% | 87 | 87 | 85 |
| Value for Money15% | 85 | 74 | 90 |
| Security & Compliance15% | 76 | 93 | 84 |
| Integrations & Ecosystem15% | 78 | 92 | 74 |
| Maturity & Reliability10% | 78 | 88 | 76 |
| Momentum15% | 89 | 84 | 86 |
| Category | Search & Research | Search & Research | Search & Research |
| Pricing model | Freemium | Enterprise | Freemium |
| Starting price | Free / $20 per month (Pro) | Custom enterprise pricing | Free / Plus $7.99 / Pro $19.99 (via Google AI plans) |
| Maturity | Established | Mature | Established |
| Pricing transparency | Public tiers + free entry | Custom quotes only | Public tiers + free entry |
| Enterprise readiness | Mid-market ready | Enterprise-ready | Mid-market ready |
| Setup lift (est.) | Days to weeks | Weeks (vendor-led) | Days to weeks |
| Ideal buyer | Market & competitive research | Enterprise knowledge discovery | Studying document sets |
| Key risk | Citation quality depends on underlying web sources | Enterprise-only pricing and rollout | Per-notebook source limits constrain very large corpora |