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Subquadratic

Subquadratic

Private
Miami, FloridaAI, Data & Cloud Infrastructurehttps://subq.ai/

Last Round

Seed

May 5, 2026

Est. Valuation

$500M

Total Funding Raised

$29M

Momentum

Top 5%

of companies Caplight tracks

Company Overview

Subquadratic is an artificial intelligence company that is building a new class of large language models based on a subquadratic architecture.

Sector

AI, Data & Cloud Infrastructure

Verticals

NLP & Conversational AI, ML Platforms, AI Training Infrastructure, DevOps & Containers, Document Management

Business Model

B2B

Customer Profile

Usage-Based SaaS, Freemium, Subscription SaaS

AI Layer

Foundation

Keywords

large context windowsubquadratic architecturelinear scaling LLMfoundation modellarge language modelLLMfrontier AImillion token contextLLM APISubquadratic Sparse AttentionSSAAI infrastructurecodebase analysisAI coding agentretrieval-augmented generationRAGRAG killervibe coding

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Caplight Momentum Score

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Subquadratic Comparables

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Subquadratic comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Magic AI, Inc.
81%
AI21 Labs
74%
Anthropic
73%

Subquadratic Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
SeedMay 5, 2026

Subquadratic Investors

Notable investors and investment history

Subquadratic investors
InvestorRounds
JAM FundSeed
Lasagna CapitalSeed
Coalition OperatorsSeed

Market signals

Structured signals derived from secondary market and firmographic data.

  • May 7, 2026

    Grew 30% QoQ, from 27 to 35 employees.

  • May 6, 2026

    $29M round led by Justin Mateen.

Subquadratic Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
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Subquadratic Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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Firmographic Details

HeadquartersMiami, Florida
Employee Range49
Year FoundedN/A
Last FundingMay 5, 2026

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