Productivity · AWS
Notion
Block-based docs stored in a heavily sharded PostgreSQL fleet on AWS (publicly documented re-sharding to hundreds of shards). Notion AI routes to OpenAI and Anthropic models.
Foundation proximity: Direct API
Foundational models & how they consume them
PrimaryGPT-4-class· OpenAI API · Direct API
SecondaryClaude· Anthropic API · Direct API
Cloud & datastore
AWSPostgreSQL (sharded)Compliance
SOC 2HIPAAGDPRSimilar companies
AirtableAsanamonday.comGrammarlyOthers that build on OpenAI · GPT
AbridgeAirbnbAirtableAmbienceAmplitudeAsanaExplore
FAQ
Does Notion use a foundational AI model?
Notion uses GPT-4-class, Claude (Direct API).
What cloud does Notion run on?
Notion runs on AWS.
What database does Notion use?
Notion uses PostgreSQL (sharded).
How close does Notion run to the foundational model?
Notion is Direct API — close to the metal, so cheaper tokens and more control over outputs.
Sources
notion.so ↗Also on the map
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Architecture inferred from public sources · confidence high · verify before betting on a detail.