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Subquadratic vs Helika

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 Helika
DetailSubquadratic logo Subquadratic Helika
What it doesEfficiency is Intelligence AI Character Platform for Brands & IP Owners
StageStartup Not given
FoundedNot given 2022
Based inUS Not given
Pricing modelPaid Contact for pricing
PricingFree 100M tokens for new users. $0.04 per 1M tokens for input tokens. Engagements start with a fixed-fee closed pilot covering setup, configuration, and the eight-week deployment. Ongoing pricing scales with deployment footprint (channels, character count, interaction volume). No per-seat or per-fan licensing.
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
  • Real-time fan engagement across Discord, web, social, and community channels
  • Brand-safe AI characters trained on approved content
  • Individual fan memory and contextual multi-turn conversations
  • Curated Mode with team review of all responses
  • Topic and person blacklists with real-time monitoring
  • Eight-week deployment from contract to live
  • IP owner controls all character data and conversation logs
  • Exportable character rules and analytics
  • Scalable platform for multiple characters
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
  • Third-generation production build refined through real deployments
  • Eight weeks from contract signature to live deployment
  • 60+ IP partners across games, sports, entertainment, and brands
  • Safety built into the architecture, not a feature add-on
  • Full data ownership and no lock-in for IP owners
Community votes00
DR (Domain Rating by Ahrefs)51 −1 (down) since last check43 no change since last check
Trust Flow (Majestic)177
Citation Flow (Majestic)3732
Referring domains (Majestic)654274

5 details filled in for both companies.

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