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PenumbraPENUMBRA

Reasoning Infrastructure

Your brain is always on.

Get more out of your AI with compounding knowledge tools in Penumbra.

Monthly
AnnualSave ~15%
Beta pricing — sign up now to lock in your rate
Expert Solo
Your personal cognitive infrastructure. One brain, full depth.
$30/ mo$50
billed monthly
Full platform access · 14-day free trial
Start 14-day free trial
What's included
  • Capture from almost anywhere — docs, audio, video, web clips
  • Structured extraction with smart defaults and custom controls
  • AI work anchored in what you actually know
  • ~20 MCP tools that go wherever you already use AI
  • Custom frameworks with our AI ontology designer
  • Email support
Team
For firms with collaboration and governance
$54/ seat / mo
billed monthly
Talk to us
Everything in Solo, plus
  • Shared brain across your team with role-based access
  • Assign work to agents with human review built in
  • Webhooks and programmatic capture for your pipelines
  • Admin panel, SSO, and SAML for your IT team
  • Branded portals for external stakeholders
Enterprise
Org-wide deployment with dedicated infrastructure
Custom
Tailored to your workload
Contact sales
Everything in Team, plus
  • Dedicated infrastructure for your org
  • API access — read and write into the graph programmatically
All plans include
Reading your own knowledge costs nothing.
Browse and search your knowledge at no extra cost
MCP tools for Claude, Cursor, and more
Web clipper for capturing from the browser
In-product support and help center
Design your own extraction frameworks
14-day free trial on all plans
Full access from day one. Cancel anytime during the trial and pay nothing.
Start free trial
“I signed up for Penumbra as an early beta user and it has transformed the way I work, saving me time and improving what I'm getting out of AI on a daily basis. I cannot wait to continue rolling this out across my team.”
— Enterprise Marketing Leader
Your data, your rules
We never train AI on your data — your knowledge stays yours
All data encrypted at rest and in transit
No third-party analytics, tracking cookies, or data resale
Delete your account and all data is removed within 30 days
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API access available by request for Solo and Team plans. Contact us.