Data & Memory LayerPre-seedInfraℹPlastic 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 4, 2026
- Views
- Category
- Data & Memory Layer
- Website
- plasticlabs.ai
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.
- https://plasticlabs.ai/ ↗
- https://plasticlabs.ai/blog/careers/Working-at-Plastic ↗
- https://plasticlabs.ai/blog/blog/Launching-Honcho%3B-The-Personal-Identity-Platform-for-AI ↗
- https://nyrej.com/print/55980 ↗
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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