LinkedIn · Oct 2025
Tom Greenwald says Sagekit appeared on a Times Square billboard courtesy of Brex and Y Combinator, confirming Anders Lie as co-founder.
Public company, workplace, funding, and market signals
Updated Jul 29, 2026
Sagekit is the public brand at sagekit.com for Magnitude AI Inc., a 2025 Y Combinator S25 startup. Public materials describe it as an AI-powered workspace for research and writing with chat-driven automation; broader company materials also frame it as workflow automation/open-source browser-agent software.
Primary product
AI-powered workspace for research and writing with chat-driven workflow automation
Founded
2025
Headquarters
San Francisco, California, United States
Team size
1-10
Industry
Technology, Information and Internet
Sub-industry
AI-powered productivity and workflow automation software
Offices
0 jobs at Sagekit
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Business model
Stage
Seed
Total raised
$500K
Latest round
Seed · Jun 2025
Latest amount
$500K
Jun 2025
Investors
Pricing
Freemium subscription SaaS with monthly and annual billing; team pricing appears to be handled via booked calls
Differentiators
Technology
Customers
Competitors
Estimated revenue
~$220K ARR (estimated)
LinkedIn · Oct 2025
Tom Greenwald says Sagekit appeared on a Times Square billboard courtesy of Brex and Y Combinator, confirming Anders Lie as co-founder.
LinkedIn · Oct 2025
Tom Greenwald explains the move from Sidekick to Sagekit, citing brand confusion and naming issues and saying the company secured the Sagekit domain/TLDs.
Y Combinator · Jun 2025
YC launch describing the product as a chat-based automation platform for sales, marketing, and operations teams, with integrations across Google apps, HubSpot, Notion, Linear, AI calls, and web scraping.
Startup Intros · Jun 2025
Reports a $500K seed round closed on June 1, 2025 and lists the participating investors.