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AI21 vs Nysa

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

AI21 compared with Nysa
DetailAI21 logo AI21Nysa logo Nysa
What it doesPost-train specialized models for your task, creating an AI edge your competitors can't buy Shared memory for regulated companies and their AI agents
StageEstablished Not given
FoundedNot given Not given
Based inIL US
Pricing modelContact for pricing Freemium
PricingNot given Team plan: $10/person/month with 14-day free trial, includes meeting recording, email and calendar enrichment, knowledge organized by topic, private scopes and projects, agent keys with custom permissions, import existing brain, and MCP for all agents. Enterprise plan: custom pricing for regulated a
Key features
  • Forward-Deployed Researchers provide end-to-end model training and optimization
  • Custom evaluation suite development from real tasks
  • Production-ready deployment with cost-quality trade-offs
  • Deployment flexibility including on-premises and VPC options
  • Data security with no retention and full traceability
  • Continuous model improvement from production traffic
  • Customer ownership of model weights and training recipes
  • Records and transcribes meetings with visible participant
  • Automatically extracts facts from email and calendar
  • Scoped access control with automatic sorting
  • Private projects limited to members
  • Agent API keys with read-only or read-write permissions
  • Works with Claude, ChatGPT, Cursor, Codex over MCP
  • Import existing brain from markdown, Obsidian, or GBrain
  • Facts organized by topic with full history
  • Raw email stays private to owner, team sees extracted facts only
  • 180 days of email history imported on day one
What makes it different
  • Customers own specialized models trained on proprietary data, not rented general-purpose models
  • Achieve frontier-level quality at lower costs through specialized training
  • Five years of experience with diverse post-training and optimization methods
  • Models ship production-ready in weeks with ongoing improvement capability
  • Secure deployment with no data retention and auditable access controls
  • Every fact is scoped automatically by sensitivity level and agents see only what their teammate can access
  • Agents can write back to the same brain over MCP, updating shared knowledge in real time
  • CASA Tier 2 security assessed and verified by Google for Gmail and Calendar access
  • Onboard entire team in under 5 minutes with one-click Google sign-in
  • Data never used to train AI models, privacy verified in policy
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)75 no change since last check2 −1 (down) since last check
Trust Flow (Majestic)229
Citation Flow (Majestic)4426
Referring domains (Majestic)352932

5 details filled in for both companies.

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