Glean
Glean indexes SaaS, docs and chat with permissions-aware retrieval, then layers assistants and agents on the resulting knowledge graph.
Full Glean record →Head to head
Glean vs Perplexity
Glean (Glean) and Perplexity (Perplexity) both sit in Search & Research. Perplexity is the cheaper entry point at from $20/mo. Glean shipped more tracked changes in the last 30 days (6 vs 3). Every value below comes from the latest crawl of the vendors' own pages.
| Attribute | Glean Glean | Perplexity Perplexity |
|---|---|---|
| Segment | Search & Research | Search & Research |
| Version | June 2026 | Sonar API |
| Entry cost | from $100/mo | from $20/mo |
| Pricing tiers | Enterprise free | Free free · Pro $20 · Max $200 · Enterprise Pro $40 |
| Model stack | 40+ Unique LLMs ( · Claude · growing!) · Model hub (supports 40+ LLMs) | Claude Opus 4.5 · Frontier Models · Gemini 3 Pro · GPT-5.2 · Sonar |
| Context window | Model-dependent | Varies by model |
| Public API | ||
| Routes models | ||
| Changes / 30d | 6 | 3 |
| Origin | Global | Global |
| Capabilities | Permissions-aware search, Knowledge graph, Glean Agents, 100+ connectors, Assistant, Enterprise Search, Glean Assistant, Agent Builder | Cited answers, Deep research, Comet browser, Spaces, Shopping, Focus modes, Gateway API, Agent API |
Perplexity
Conversational search that cites its sources and offers deep research modes.
Full Perplexity record →