Only ChatGPT12
- General chat/reasoning
- file uploads
- multimodal text/image/audio/video/data
- voice/video
- ChatGPT Agent
- Codex
- Projects
- GPTs
- apps/connectors
- Excel/Sheets extensions
- Business admin controls
- separate OpenAI API
Compare · Tool A / Tool B·Head-to-head
These tools sit in different sets (General AI assistant vs Source-grounded workspace), so picking one over the other is mostly a question of which job you're doing. ChatGPT wins on privacy controls; NotebookLM wins on citation honesty, source quality, and value for money. For the canonical workflow, pick NotebookLM. Use ChatGPT when its niche specifically wins above.
These tools sit in different sets (General AI assistant vs Source-grounded workspace), so picking one over the other is mostly a question of which job you're doing. ChatGPT wins on privacy controls; NotebookLM wins on citation honesty, source quality, and value for money. For the canonical workflow, pick NotebookLM. Use ChatGPT when its niche specifically wins above.
General-purpose assistant baseline and multimodal draft critic — OpenAI’s general-purpose assistant for drafting, analysis, multimodal exploration, file work, coding, agents, and baseline AI comparison, with separate consumer, Business/Enterprise, and API trust boundaries.
Source-grounded reading workspace — Gemini Notebook (formerly NotebookLM): Google source-grounded notebook workspace for uploaded reading packs, grounded chat, citations, Audio Overviews, Flashcards, Studio artifacts, Source Discovery, Deep Research, Workspace access, and Enterprise governance.
raw · Free $0 · Go $8/mo (US; ads may apply) · Plus $20/mo · Pro $100/mo · Pro $200/mo (new $200 sign-ups paused as of 2026-09-10) · Business Standard $25/user/mo monthly or $20 annual (2-seat min) · Business Premium $125/$100 annual · Enterprise custom · OpenAI API separate per-token pricing.
raw · Standard free · NotebookLM benefits bundled into Google AI Plus/Pro/Ultra with higher limits · NotebookLM for business included across Workspace plans · NotebookLM Enterprise listed by Google Cloud at USD 9/license/month with yearly discount option.
These tools sit in different sets (General AI assistant vs Source-grounded workspace), so picking one over the other is mostly a question of which job you're doing. ChatGPT wins on privacy controls; NotebookLM wins on citation honesty, source quality, and value for money. For the canonical workflow, pick NotebookLM. Use ChatGPT when its niche specifically wins above.
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Every answer below is assembled from the dated fields on this page. Nothing is written separately for search.
These tools sit in different sets (General AI assistant vs Source-grounded workspace), so picking one over the other is mostly a question of which job you're doing. ChatGPT wins on privacy controls; NotebookLM wins on citation honesty, source quality, and value for money. For the canonical workflow, pick NotebookLM. Use ChatGPT when its niche specifically wins above.
Capabilities documented on the ChatGPT tool but not the NotebookLM tool:
Capabilities documented on the NotebookLM tool but not the ChatGPT tool:
Both ChatGPT and NotebookLM document these capabilities:
ChatGPT: Free Free · Go $8/mo · Plus $20/mo · Pro $100/mo · Pro $200 $200/mo · Business Standard $25/mo · Business Premium $125/mo · Enterprise Custom. NotebookLM: Standard Free · Plus $4.99/mo · Pro $19.99/mo · Google AI Plus student offer (CH, 1 year) Free · Ultra 20TB $99.99/mo · Ultra 30TB $200/mo · Enterprise $9/mo.
On editorial fit, ChatGPT scores 68 out of 100 and NotebookLM scores 78 out of 100. The score is a fit judgement for source-heavy research work, not a quality ranking — read both dossiers before you pick.