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Plastic Labs

Plastic Labs

Private
New York City, New YorkAI, Data & Cloud Infrastructurehttps://plasticlabs.ai/

Last Round

Seed Round

Jun 26, 2026

Total Funding Raised

$6.45M

Momentum

Top 1%

of companies Caplight tracks

Company Overview

Plastic Labs is a software company that develops AI-native memory and identity infrastructure for autonomous agents and applications.

Sector

AI, Data & Cloud Infrastructure

Verticals

AI Training Infrastructure, ML Platforms, NLP & Conversational AI

Business Model

B2B

Customer Profile

Usage-Based SaaS, Subscription SaaS

AI Layer

Infrastructure

Keywords

reinforcement learningRLLLM reasoningAI agent trainingself-playLLM infrastructureAI research labfrontier AI labAI agent securityML platformAI training frameworkLLM fine-tuningdeveloper toolsAI infrastructureLLM ops

Historical Pricing

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Caplight Momentum Score

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Plastic Labs Comps

Public and private peers based on sector, stage, and business model.

Plastic Labs comps — public and private peers by sector, stage, and business model
CompanyStatusEst. ValuationRev Multiple
OpenAIPrivate$86.0B~40x
CoherePrivate$5.0B--
Competitor 1Public$XX.XBXXx
Competitor 2Public$XX.XBXXx

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Plastic Labs Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Seed RoundJun 26, 2026
Pre SeedApr 10, 2025
AcceleratorSep 20, 2023
Pre SeedAug 9, 2023

Key People

Founding team and executive leadership

Courtland Leer

Co-Founder COO

Founding Team

Plastic Labs Investors

Notable investors and investment history

Plastic Labs investors
InvestorRounds
White Star CapitalSeed Round, Pre Seed
VariantPre Seed
Differential VenturesPre Seed
GreycroftAccelerator, Seed Round, Pre Seed
Betaworks VenturesPre Seed
Mozilla VenturesAccelerator, Seed Round, Pre Seed
Seed Club VenturesPre Seed

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jun 26, 2026

    $13.3M raised in Seed Round.

  • Aug 15, 2025

    Co-developed SPIRAL, a novel reinforcement learning framework for LLMs with TextArena.

Plastic Labs Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
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Plastic Labs Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about Plastic Labs's valuation, stock price, and market status.

Firmographic Details

HeadquartersNew York City, New York
Employee Range12
Year Founded2023
Last FundingJun 26, 2026

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