Which cloud database offers the best free tier with an easy upgrade path that will not shock us with sudden bills next month?
Download run
Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
Which cloud database offers the best free tier with an easy upgrade path that will not shock us with sudden bills next month?
1 real search · 1 real-search pass
2026 cloud database free tier pricing limits overage billing spend limits Neon Supabase MongoDB Atlas Firebase Turso official pricingGoogle ↗
OBSERVEDComparison
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
ChatGPT real searches (1)
Classes come from the query-classifier (a local Laya model). 1 of 1 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT1 real searches · gpt-6
2026 cloud database free tier pricing limits overage billing spend limits Neon Supabase MongoDB Atlas Firebase Turso official pricing Google ↗
- website/content/faqs/free-plan-limits-and-quotas.md at main · neondatabase/website · github.com
- Neon gives you 100 projects for free, with 1 GB of Postgres storage each · neon.com
- Neon pricing · neon.com
- Pricing & Fees · supabase.com
- Control your costs · supabase.com
- Supabase pricing · supabase.com
- Pricing · developers.cloudflare.com
- D1 enforces free tier daily query limits · developers.cloudflare.com
- D1 pricing · developers.cloudflare.com
- Understand Cloud Firestore billing | Firebase · firebase.google.com
- Understand Realtime Database billing | Firebase Realtime Database · firebase.google.cn
- Firebase pricing · firebase.google.com