Subquadratic Inc.
Subquadratic is building a new class of LLMs based on a fully subquadratic sparse-attention architecture, enabling 12M+ token context windows at 1/5 the cost of traditional transformers.
At a Glance
- Enterprise Software Development
- Legal and Financial Services
- AI Research and Infrastructure
- Developer Tools
AI Tools by Subquadratic Inc.
(1)
SubQ
Sparse Attention LLM Architecture
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Latest News
Subquadratic Exits Stealth with $29M Seed Round to Break AI Scaling Limits
Subquadratic Debuts SubQ, a 12M-Token LLM Architecture
SubQ Code Beta Launched: The First CLI Agent with Full Repository Context
Benchmarks Show SubQ Outperforming Claude Opus and Gemini on Long-Context Retrieval
Products & Services
The first large language model built on a fully subquadratic architecture, supporting up to 12M tokens in research.
Full-context API for developers and enterprise teams to reason over massive inputs like entire repositories.
A CLI-based coding agent that loads entire codebases into a single context window to plan and execute across a full repository.
A long-context search tool providing deep research capabilities with chatbot speed.
Market Position
Positions itself as a more efficient, long-context alternative to frontier models like Claude, GPT, and Gemini by breaking the quadratic scaling limit of the transformer architecture.
Leadership
Founders
Justin Dangel
Five-time founder and CEO with experience across health technology, insurance tech, and consumer goods. Previously co-founder and CEO of Ready Responders (raised $54M+), founding investor and Chairman of Firefly Health, and co-founder of Despierta. Also founded Voter.com and Canback Consulting.
Alexander Whedon
Co-founder and CTO. Previously a software engineer at Meta and Head of Generative AI at TribeAI, where he led over 40 enterprise AI implementations. Background in building advanced algorithms and AI infrastructure.
Executive Team
Justin Dangel
Co-founder and CEO
Serial entrepreneur in healthcare and technology; former CEO of Ready Responders and Managing Partner at Despierta.
Alexander Whedon
Co-founder and CTO
Former Meta engineer and Head of Generative AI at TribeAI; expert in subquadratic AI architectures.
Board of Directors
Founding Story
Founded on the belief that quadratic scaling was a fundamental ceiling for AI performance and cost. The team spent years on the mathematics of subquadratic attention to create an architecture that doesn't sacrifice accuracy for efficiency.
Business Model
Revenue Model
API usage-based pricing and enterprise subscriptions for specialized tools like SubQ Code.
Pricing Tiers
Claimed to be 1/5 the cost of leading LLMs like Claude Opus or GPT-5.5.
Beta access for developers and enterprise teams.
Target Markets
- Enterprise Software Development
- Legal and Financial Services
- AI Research and Infrastructure
- Developer Tools
- Reasoning across entire software repositories
- Processing months of pull request logs and documentation
- Persistent state for long-running AI agents
- Analyzing massive document collections and spreadsheets
- Early access beta users in tech and software engineering