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gbrain.io launch: what they're building and where to launch next

FoxPlug writes launch posts from what a startup ships and matches it to the launch communities that fit it. This page shows what gbrain.io is building and where it could launch next; if it is your startup, start free below.

What they're building

A personal or team assistant that works while you sleep

Batch
Y Combinator Spring 2026
Industry
B2B
Team size
3
Based
San Francisco, CA, USA

Founders

gbrain.io ↗

See their funding details ↗

gbrain.io on the record

What they shipped

  • From its YC profile: Like ChatGPT or Claude, but it runs in the cloud, remembers everything you give it, and comes loaded with skills. Hand it a job tonight and read the answer in the morning. Use it on your own, or with your whole team. (source)
  • Its own site describes it as: "Like ChatGPT or Claude, but it runs on a machine of its own in the cloud, remembers everything you give it, and comes loaded with skills. Hand it a job tonight and read the answer in the morning." (source)

Who is behind it

  • Brad Gessler, Founder/CEO: Cofounder & CEO Gbrain.io, P26. Cofounder & CTO of Poll Everywhere, S08. More at https://bradgessler.com/ (source)
  • Jamison Mercurio, Founder: Co-founder at Gbrain.io (P26). Previously co-founder and CEO of Mango Health (YC W24, AI mental health). Former Meta iOS and web engineer (Messenger Video Chat + Facebook News). Princeton CS Class of 2020. (source)

Timeline

  1. 2026: founded, per its YC profile. (source)

Other B2B software launches on FoxPlug

  • Dialogus: The AI-native contact center.
  • Dock: Multiplayer workspace for agents and humans
  • Donkey: The AI-native trading company: factory prices, delivered, one number

Where else to launch gbrain.io

  • Product Hunt ↗
    Self-promotion allowedFree
  • Indie Hackers Forum ↗
    Self-promotion allowed
    Audience: IndieHackers; bootstrapped solo founders sharing revenue and behind-the-scenes
  • Hacker News (Show HN) ↗
    Self-promotion allowed, within the community's rules
    Audience: Hacker News readers; engineers, technical founders, infra-curious people
  • Demand Curve ↗
    Self-promotion allowed, within the community's rules
    Audience: Slack community; tight-knit, pseudo-private peer group
  • No Code Founders ↗
    Self-promotion allowed, within the community's rules
    Audience: Slack community; tight-knit, pseudo-private peer group
  • OnlineGeniuses ↗
    Self-promotion allowed, within the community's rules
    Audience: Slack community; tight-knit, pseudo-private peer group
  • Product Makers ↗
    Self-promotion allowed, within the community's rules
    Audience: Slack community; tight-knit, pseudo-private peer group
  • ProductLed ↗
    Self-promotion allowed, within the community's rules
    Audience: Slack community; tight-knit, pseudo-private peer group

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