NotebookLM
Grounded research notebook with audio and video overviews.
Full NotebookLM record →Head to head
NotebookLM vs Perplexity
NotebookLM (Google) and Perplexity (Perplexity) both sit in Search & Research. NotebookLM is the cheaper entry point at Free, Pro via Google AI Plus. Perplexity shipped more tracked changes in the last 30 days (2 vs 0). Every value below comes from the latest crawl of the vendors' own pages.
| Attribute | NotebookLM | Perplexity Perplexity |
|---|---|---|
| Segment | Search & Research | Search & Research |
| Version | 2025 | Sonar API |
| Entry cost | Free, Pro via Google AI Plus | from $20/mo |
| Pricing tiers | — | Free free · Pro $20 · Max $200 · Enterprise Pro $40 |
| Model stack | Gemini 3 | Claude Opus 4.5 · Frontier Models · Gemini 3 Pro · GPT-5.2 · Sonar |
| Context window | — | Varies by model |
| Public API | ||
| Routes models | ||
| Changes / 30d | 0 | 2 |
| Origin | Global | Global |
| Capabilities | Source grounding, Audio overviews, Mind maps | 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 →