Yes. As of 2026-09-29, 5 free vector database offers we track are available, each dated when last verified against the provider's page.
| Offer | Provider | Status | What it offers | Expiry | Verified | Source | Caveats |
|---|---|---|---|---|---|---|---|
| Pinecone Starter plan | Pinecone | available | Up to 2 GB storage, 2M write units/month, 1M read units/month, 5 indexes, 100 namespaces/index | no stated expiry | 2026-09-16 | source | community support only. Re-read first-party 2026-09-16 and holds exactly: Starter shows 'Up to 2 GB' storage, 'Up to 2M/mo' write units, 'Up to 1M/mo' read units, 'Up to 5' indexes and 100 namespaces per index. |
| Qdrant Cloud free cluster | Qdrant | available | 1 free cluster forever: 0.5 vCPU, 1 GB RAM, 4 GB disk, single node — plus free Cloud Inference with selected models | no stated expiry | 2026-09-16 | source | no high availability. Re-read first-party 2026-09-16 and holds; the tier is labelled 'Free forever … for testing, and prototypes'. NEW since the last read: the free tier now also lists 'Free Cloud Inference With Selecte… |
| Supabase Free plan (Postgres + pgvector) | Supabase | available | 2 active projects, 500 MB database, shared CPU with 500 MB RAM, unlimited API requests, 50,000 monthly active users, 5 GB egress plus 5 GB cached egress, 1 GB file storage | no stated expiry | 2026-09-16 | source | projects auto-pause after 1 week of inactivity — bad for always-on agent memory unless pinged. IMPORTANT ADDITION 2026-09-16, and the reason to re-read this row: *"Free projects are paused after 1 week of inactivity."… |
| Upstash Redis free tier | Upstash | available | 256 MB data, 500K commands/month, 10 GB bandwidth/month, ONE free database | no stated expiry | 2026-09-16 | source | adding a card auto-upgrades to pay-as-you-go; Vector/QStash free tiers priced separately. CORRECTION 2026-09-16 — THIS ROW OVERSTATED THE OFFER. It said 'up to 10 free databases'. The pricing page's plan comparison labe… |
| Weaviate Cloud free tier | Weaviate | available | Perpetual free tier (no longer a 14-day sandbox): 100,000 objects, 1 GB memory, 10 GB disk, 1 collection with up to 3 tenants, 2,000 embedding requests/day, 1,000 Query Agent requests/month | no stated expiry | 2026-09-16 | source | single-collection limit is restrictive. Re-read first-party 2026-09-16 and holds: 'Always free — 1 cluster per user', 'No credit card required'. The word 'Sandbox' and the old 14-day framing no longer appear anywhere on… |
Free LLM APIs, no card · Free AI APIs an agent can sign up for · Machine-readable: ai-deals.json