◆ Gentoo Logic · Modeling Warehouse

Architecture comparison

Carta vs Marqeta

No shared foundational model — different bets.

Carta

FinTech

Proximity
Off the LLM map (in-house non-LLM ML)
Models
—
Cloud · datastore
AWSPostgreSQL
Compliance
—
Architecture

Carta operates a proprietary, cloud-based equity and private capital management platform, most likely hosted on AWS using a relational database such as PostgreSQL. Public information focuses on product capabilities rather than disclosing detailed production architecture, so deeper specifics cannot be reliably verified.

Marqeta

FinTech

Proximity
Off the LLM map (in-house non-LLM ML)
Models
—
Cloud · datastore
AWSPostgreSQL
Compliance
PCI DSSSOC 2
Architecture

Card-issuing platform; in-house risk ML; off the foundational-LLM map at the core.

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