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Subquadratic
The first sub-quadratic LLM designed for 12M-token reasoning, enabling efficient, linear-cost processing of massive codebases, long histories, and complex persistent states for developers and agents.
About Subquadratic
What the tool does and who it's for
Subquadratic (SubQ) is a groundbreaking, sub-quadratic language model developed by Subquadratic Inc., designed specifically for extreme long-context tasks. By implementing a fully sub-quadratic sparse-attention design, it moves away from traditional transformer architectures that process all word relationships, instead focusing only on relevant connections to optimize computational resources. This allows the model to reason across up to 12 million tokens, enabling it to process extensive repositories, long-term histories, and persistent states efficiently. SubQ provides an API for developers to process entire codebases and pipeline states in single calls at a linear cost, serving as a powerful long-context layer for coding agents like Cursor, Claude Code, and Codex.
Key capabilities
Pricing
Paid — plans below
API Access
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- Full repository processing
- Pipeline state analysis
- Linear cost structure
- Integration for coding agents
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