Vector

Cloudflare · Workers Free

Vector database on the Workers Free plan: 30 million queried and 5 million stored vector dimensions per account, up to 100 indexes.

• 30Mqueried dimensions / month
• 5Mstored dimensions
• 100indexes

• Can't bill you
• No card

Pinecone · Starter

Free serverless vector database on AWS us-east-1: 2 GB storage, 2M write units and 1M read units a month, up to 5 indexes in one project.

• 2 GBstorage
• 2Mwrite units / month
• 1Mread units / month

• Can't bill you

Upstash · Free

One free serverless vector index: 10K queries and updates a day, up to 200M vectors × dimensions and 1 GB of data, on AWS or GCP.

• 1 GBstorage
• 10Kqueries and updates / day
• 200Mstored dimensions

• Deletes after 7 idle days
• Can't bill you

Zilliz · Free

A free managed Milvus cluster with 5 GB of storage (about 1M 768-dimension vectors), 2.5M vCUs a month and up to 5 collections; suspended after 7 idle days.

• 5 GBstorage
• 1Mvectors
• 2.5MvCUs (read/write compute units) / month

• Can't bill you
• Pauses after 7 idle days
• No card

Qdrant · Free Tier

One single-node cluster with 0.5 vCPU, 1 GB RAM and 4 GB disk (about 1M 768-dimension vectors); suspended after 1 week unused, deleted after 4 weeks.

• 4 GBdisk
• 1Mvectors
• 1 GBmemory

• Deletes after 28 idle days
• Can't bill you
• Pauses after 7 idle days
• No card

Weaviate · Free

One always-free cluster per user with 100,000 objects, 1 GB memory and 10 GB disk in one collection; suspended after 7 idle days, deleted after 30.

• 10 GBdisk
• 100Kobjects
• 1 GBmemory

• Deletes after 30 idle days
• Can't bill you
• Pauses after 7 idle days
• No card

DataStax · Free

The Free plan of Astra DB Serverless, a vector and JSON document database built on Apache Cassandra: up to five databases per organization, with usage drawn from free credits that reset on the 1st of each month (amount not stated in current docs); databases stop when the credits run out. Databases idle for more than 48 hours hibernate and are deleted after 30 days in hibernation.

• 5databases
• 10collections

• Deletes after 32 idle days
• Stops at the limit
• Pauses after 2 idle days

Chroma · Starter

Usage-based Starter plan at $0 a month with $5 of free credits for new users; after that, writes cost $2.50/GiB and storage $0.33/GiB-month.

• 5 USDfree credits
• 10databases
• 10team members