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Data & Memory LayerPre-seedInfra

Plastic Labs

Memory as reasoning about people and agents.

Company snapshot

Stage
Pre-seed
Funding
Pre-seed · $5.4M · May 10, 2025
Status
published
Updated
Nov 8, 2026
Views

What they're building

Memory as reasoning about people and agents. Plastic Labs builds Honcho, an AI memory and reasoning system that models people and agents over time so applications can personalize behavior around individual users.

Foundation model usage

Editorial estimates from product descriptions. Model providers and actual usage are not confirmed.

Inferred architecture
Consumer inference, Agentic loops, Embeddings & semantic search
Estimated model demand
High intensity

NYC footprint

NYC office
300 Kent Avenue, Brooklyn, NY 11249

Funding

Latest funding: Pre-seed · $5.4M · May 10, 2025. Lead investor: Variant; White Star Capital; Betaworks.

Sources & location evidence

Open research desk ↗

Profile source review: 2026-11-03. Live careers article retains an original August 2024 publication date but lists current open roles and the Williamsburg Refinery workplace. Last primary funding announcement found is $5.4M pre-seed in May 2025; do not inflate to a later unverified total.

Williamsburg, Brooklyn · verified office

300 Kent Avenue, Brooklyn, NY 11249. Live company careers explicitly establishes occupied named building; building address corroborated by first-party Refinery site and landlord announcement. Suite 402 appears only in a legal registry mirror and is intentionally omitted.

Plastic Labs - Working at Plastic ↗

Source checked 2026-11-03

Notes

Plastic Labs is tagged infra based on buyer clarity, repeat workflow activity, public activity, and fit with the AI Atlas map.

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