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Subquadratic vs Aristra

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Subquadratic compared with Aristra
DetailSubquadratic logo SubquadraticAristra logo Aristra
What it doesEfficiency is Intelligence Your digital twin, working 24/7.
StageStartup MVP
FoundedNot given Not given
Based inUS US
Pricing modelPaid Freemium
PricingFree 100M tokens for new users. $0.04 per 1M tokens for input tokens. Free: 100 credits per month, no card required. Plus: $29 per month for 3,000 credits per month. Pro: $99 per month for 10,000 credits per month. Prices in USD, billed monthly, cancel anytime.
Key features
  • 384K token context window
  • Multimodal input support
  • 100K tokens processed in less than a second
  • Structured output for direct code use
  • Subquadratic Sparse Attention algorithm for efficient compute
  • $0.04 per 1M tokens pricing
  • Customer content not used for model training
  • Data retention limited to 60 days
  • Persistent memory that you approve and control
  • Proactive agents for daily briefs, follow-ups, and scheduled tasks
  • Custom agents you build and run
  • Aristra Compose for writing and documents
  • Tool connections through MCP: Gmail, Google Calendar, Notion, GitHub, Linear
  • Works on web, desktop, mobile, Telegram, Chrome extension
  • Real browser for autonomous web browsing and interactions
  • Document, PDF, and slide deck creation
  • Image generation from prompts
  • Encrypted storage with user-controlled key rotation
What makes it different
  • First long-context decision model purpose-built for enterprise work
  • Frontier-level decision-making performance at 5-10x lower cost than frontier LLMs
  • Tied for #1 on Artificial Analysis Decision Index
  • Processes entire codebase or data room in single context window
  • Speeds agent reasoning from minutes to seconds
  • Proactive autonomy: runs tasks without being asked and messages when done or needs approval
  • Works inside Claude and ChatGPT so your memory follows you without opening another app
  • Team mode with shared memory and role-based access control while keeping personal drafts private
  • All plans include the same features; pricing scales only by monthly credits, not by feature gatekeeping
Community votes00
DR (Domain Rating by Ahrefs)52 +1 (up) since last check1 no change since last check
Trust Flow (Majestic)170
Citation Flow (Majestic)3721
Referring domains (Majestic)65422

7 details filled in for both companies.

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