--- title: "Free NotebookLM Alternatives" slug: "free-notebooklm-alternatives" description: "Eight verified free NotebookLM alternatives - ChatGPT's file uploads and seven free vector databases and embedding APIs - with limits and card rules." verifiedAt: "2026-10-31" options: 8 canonical: "https://aifree.dev/compare/free-notebooklm-alternatives" --- # Free NotebookLM Alternatives > Eight verified free NotebookLM alternatives - ChatGPT's file uploads and seven free vector databases and embedding APIs - with limits and card rules. NotebookLM, which Google’s help center now documents as Gemini Notebook, is a research notebook: upload PDFs, websites, YouTube links, audio or Google Docs, then chat over the sources with in-line citations and turn them into study guides, mind maps or audio overviews. Its free usage is compute-based and refreshes every 5 hours until you reach a weekly limit - but the standard limits that come without a paid Google AI plan are not published as numbers, and Google states they may change. The free alternatives below play for durability and control instead: ChatGPT’s free plan for chat over limited file uploads, and seven free building blocks - Postgres with pgvector, managed vector databases, and embedding APIs - to run a NotebookLM-style assistant of your own. Every row is a live offer from the same catalog as the [free AI coding tools directory](https://aifree.dev/free-ai-coding-tools); the [free vector databases guide](https://aifree.dev/learn/free-vector-database) and the [free embeddings API guide](https://aifree.dev/learn/free-embeddings-api) cover the build steps. ## Side by side | Offer | What is free | Card | Status | The catch | | --- | --- | --- | --- | --- | | [ChatGPT Free Plan](https://aifree.dev/offer/chatgpt-free) | Free tier | no card | verified 2026-10-31 | Only everyday text chats are unlimited; file uploads, image generation, voice, and deep research have separate usage limits. | | [Supabase Free Plan](https://aifree.dev/offer/supabase-free-plan) | 0.5 GB | no card | listed | Free projects are paused after 1 week of inactivity, the database is capped at 500 MB, and there are no automatic backups. | | [Weaviate Cloud Free Plan](https://aifree.dev/offer/weaviate-cloud-free-plan) | Free tier | no card | listed | One cluster per user with a single collection and 100,000 objects; no backups or replication on the free plan. | | [Pinecone Starter Plan](https://aifree.dev/offer/pinecone-starter-plan) | 2 GB | no card | listed | AWS us-east-1 only, 1 project and 2 users, community support only; going past the monthly read/write units means upgrading to Builder ($20/month flat) or Standard ($50/month minimum). | | [Qdrant Cloud Free Tier](https://aifree.dev/offer/qdrant-cloud-free-tier) | Free tier | no card | listed | Single node only, no high availability or automatic backups; unused free clusters are suspended after 1 week and deleted after 4 weeks of inactivity. | | [Zilliz Cloud Free Cluster](https://aifree.dev/offer/zilliz-cloud-free-cluster) | 5 GB | no card | listed | Up to 5 collections and 2.5M vCUs a month; advanced features need the Serverless or Dedicated trial. | | [Voyage AI Free Embedding and Reranking Tokens](https://aifree.dev/offer/voyage-ai-free-embedding-tokens) | 200,000,000 tokens | no card | verified 2026-10-31 | Without a payment method you are held to 3 requests and 10K tokens a minute; the published 2,000 RPM limits need a card on file (Usage Tier 1). Older model generations get no free tokens. | | [Mixedbread Free Starter Credits](https://aifree.dev/offer/mixedbread-free-starter-credits) | $5 | no card | verified 2026-10-12 | The $5 credits are one-time only with no monthly renewal; once spent you must add credits from billing settings or upgrade to Scale. | ## The 8 options, in detail ### [ChatGPT Free Plan](https://aifree.dev/offer/chatgpt-free.md) Free web search, file and image analysis, image generation, and writing tools - Unlimited text chats (model not specified) - Limited file uploads - Limited image generation - Limited voice chats **Catch:** Only everyday text chats are unlimited; file uploads, image generation, voice, and deep research have separate usage limits. ### [Supabase Free Plan](https://aifree.dev/offer/supabase-free-plan.md) Free Postgres with pgvector, auth, storage and edge functions on 2 projects - 2 active free projects - 500 MB database size per project - Shared CPU, 500 MB RAM - 50,000 monthly active users **Catch:** Free projects are paused after 1 week of inactivity, the database is capped at 500 MB, and there are no automatic backups. ### [Weaviate Cloud Free Plan](https://aifree.dev/offer/weaviate-cloud-free-plan.md) Always-free managed Weaviate cluster: 100K objects, embeddings included - 1 cluster per user (shared deployment) - 100,000 objects - 1 GB memory, 10 GB disk - 1 collection, up to 3 tenants **Catch:** One cluster per user with a single collection and 100,000 objects; no backups or replication on the free plan. ### [Pinecone Starter Plan](https://aifree.dev/offer/pinecone-starter-plan.md) Free Pinecone vector database: 2 GB storage, 5 serverless indexes - Up to 2 GB storage, 5 serverless indexes, 100 namespaces per index - Up to 1M read units and 2M write units per month - Up to 1 GB egress per month - 1 project, up to 2 users **Catch:** AWS us-east-1 only, 1 project and 2 users, community support only; going past the monthly read/write units means upgrading to Builder ($20/month flat) or Standard ($50/month minimum). ### [Qdrant Cloud Free Tier](https://aifree.dev/offer/qdrant-cloud-free-tier.md) Free-forever Qdrant vector database cluster, 1 GB RAM, no credit card - 1 single-node cluster: 0.5 vCPU, 1 GB RAM, 4 GB disk - About 1M vectors at 768 dimensions (vendor estimate) - Limited choice of cloud providers and regions - Only manual snapshots and restores via API **Catch:** Single node only, no high availability or automatic backups; unused free clusters are suspended after 1 week and deleted after 4 weeks of inactivity. ### [Zilliz Cloud Free Cluster](https://aifree.dev/offer/zilliz-cloud-free-cluster.md) Free managed Milvus cluster: 5 GB storage, 2.5M vCUs per month - 5 GB storage (about 1M 768-dim vectors) - 2.5M vCUs per month - Up to 5 collections - Community support (Slack) **Catch:** Up to 5 collections and 2.5M vCUs a month; advanced features need the Serverless or Dedicated trial. ### [Voyage AI Free Embedding and Reranking Tokens](https://aifree.dev/offer/voyage-ai-free-embedding-tokens.md) Voyage AI by MongoDB gives every account 200M free tokens on most models - 200M free tokens each: voyage-4-large, voyage-4, voyage-4-lite, voyage-code-4, voyage-context-4, rerank-3, rerank-3-lite - 50M free tokens: voyage-finance-2, voyage-law-2, voyage-code-2 - voyage-multimodal-3.5: 200M text tokens and 150B pixels - No free tokens for older models (voyage-3.x, voyage-context-3, voyage-multimodal-3, rerank-2.x) **Catch:** Without a payment method you are held to 3 requests and 10K tokens a minute; the published 2,000 RPM limits need a card on file (Usage Tier 1). Older model generations get no free tokens. ### [Mixedbread Free Starter Credits](https://aifree.dev/offer/mixedbread-free-starter-credits.md) $5 in one-time Mixedbread usage credits, no credit card - $5 one-time credits per workspace - 100 queries/minute; 6,000 uploads/minute for ingestion - 3 Stores on the Starter tier (the Scale tier lists 10,000) - 3 workspace users **Catch:** The $5 credits are one-time only with no monthly renewal; once spent you must add credits from billing settings or upgrade to Scale. ## Frequently asked questions ### Is NotebookLM free? Yes, with a Google account. Google’s help center now documents the product as Gemini Notebook; usage limits are compute-based and refresh every 5 hours until you reach a weekly limit. Without a paid Google AI plan you get the standard limits, and Google does not publish a number for them - only that limits may change. Details were read from Google’s help center on November 1, 2026. ### What is the best free alternative to NotebookLM? For chat grounded in working with sources rather than building anything, ChatGPT’s free plan: unlimited text chats with limited file uploads plus web search. For keeping your sources in one place long term, Supabase’s free plan is the one-box route: Postgres with pgvector plus auth, storage and edge functions on two projects. Weaviate’s always-free cluster is the closest managed analog, with embeddings included. ### Can I build my own NotebookLM-style RAG for free? Yes, and no card is needed anywhere in the stack. Embeddings: Voyage AI grants 200 million free tokens per model (3 requests and 10K tokens a minute without a payment method) and Mixedbread starts you with $5 of one-time credits. Vector storage: Pinecone’s free plan holds 2 GB across 5 serverless indexes, Zilliz 5 GB, Qdrant a 1 GB cluster (about 1 million vectors at 768 dimensions), and Weaviate 100,000 objects with embeddings included. ### Do these NotebookLM alternatives need a credit card? No - none of the eight rows asks for a card. The catch sits elsewhere: Supabase pauses a free project after a week of inactivity, Qdrant suspends after a week and deletes after four weeks unused, and Pinecone’s free plan runs on AWS us-east-1 only. ### How current is this comparison? Every row is generated from the aifree.dev catalog, whose Verified offers are re-checked monthly. Vector database and embedding allowances shift quietly - collections shrink, inactivity deletions kick in - so a row changes or disappears when the vendor does. HTML page: https://aifree.dev/compare/free-notebooklm-alternatives