Pick Neon if
builders who will stay on Free $0 (100 CU-hours/project, 1 GB, 10 branches), then move to Launch (pay-as-you-go, $0.106/CU-hour, $0.35/GB-month) when writes or idle-always-on matter.
Read the Neon pageOur take
Pick Neon if builders who will stay on Free $0 (100 CU-hours/project, 1 GB, 10 branches), then move to Launch (pay-as-you-go, $0.106/CU-hour, $0.35/GB-month) when writes or idle-always-on matter. Pick Weaviate if teams who will stay on Cloud Free $0 (100k objects, 1 GB RAM, 10 GB disk) or self-host, then buy Flex at $45/month when they need HA, 1,000 collections, and pay-as-you-go dimensions.
Best for
Neon Postgres metered in CU-hours and GB
Weaviate Vectors you can self-host or rent from $45 Flex
Free plan
Neon $0 · 100 projects. 10 branches/project. 100 CU-hours/project. Autoscaling up to 2 CU. Scale-to-zero after 5 min (cannot disable). 1 GB/project Postgres, 20 GB account. 5 GB egress/project. 6-hour history. 1 snapshot. Auth 60k MAU. 5 GB object storage. Functions: 10 active / 400 waiting Capacity-Hours, 1M invocations. Hitting CU or egress suspends compute until next cycle; storage cap blocks writes
Weaviate $0 · forever. 1 cluster / user. 100,000 objects. 1 GB memory. 10 GB disk. 1 collection, up to 3 tenants. Embeddings 2,000 req/day. Query Agent 1,000 req/month. Best-effort SLA
Lowest paid
Neon Launch $0.106
Weaviate Premium Shared / Dedicated $0.003875/mo
Next step up
Neon Scale $0.222
Weaviate Embeddings (list) $0.025
Coding agent
Neon Branching
Weaviate Query Agent
Runs where
Neon
Weaviate Local; you host it
Watch out
Neon Free suspends when CU-hours or 5 GB egress are gone
Weaviate Free is 100k objects and one collection
Last checked
Neon 2026-10-22 · neon.com/pricing
Weaviate 2026-10-22 · weaviate.io/pricing
builders who will stay on Free $0 (100 CU-hours/project, 1 GB, 10 branches), then move to Launch (pay-as-you-go, $0.106/CU-hour, $0.35/GB-month) when writes or idle-always-on matter.
Read the Neon pageteams who will stay on Cloud Free $0 (100k objects, 1 GB RAM, 10 GB disk) or self-host, then buy Flex at $45/month when they need HA, 1,000 collections, and pay-as-you-go dimensions.
Read the Weaviate page