GBrain

Shared team workspace for AI: one memory, one set of connected accounts and one record of every action that a team syncs to ChatGPT, Claude, Cursor or any AI it chooses, with scheduled skills and a per-workspace price; operated by The Overton Window Company, Inc.

StageUndisclosed

Founded2026

HeadquartersSan Francisco, USA

StatusPrivate

Founded — ycombinator.com · 19 Oct 2026

gbrain.io

Product

Selected offerings — the AI products recorded here, not the vendor's full catalogue.

GBrain Application Sold on its own

Team workspace where everyone prompts in one shared chat and one memory of plain files, syncs it to Claude, ChatGPT, Cursor and other AIs, connects accounts once with a permission level per AI and one record of every action, and runs scheduled skills in the cloud; Tools plan $19 a month, Workspace plan $199 a month with $100 of AI credit, priced per workspace, not per person.

Similar products 40

No sourced competitor yet: no filing, vendor document or measured-market report read so far names a rival for this company, so none is asserted. The companies below are the closest by what their products do.

How this list is ranked ↗

All 40Capability overlap 27Shared product type 37Same company status 32

AlmanacUndisclosedGBrain and Almanac both serve buyers who need to keep an assistant's memory of a company or team and use an everyday AI assistant; scale not recorded for either.2 of 2 capabilitiesShared product typeCompare EM

Egoist MachinesUndisclosedGBrain and AI Passport both serve buyers who need to keep an assistant's memory of a company or team and use an everyday AI assistant; scale not recorded for either.1 of 2 capabilitiesShared product typeCompare R

RiverUndisclosedGBrain and River both serve buyers who need to keep an assistant's memory of a company or team and use an everyday AI assistant; scale not recorded for either.Shared product typeCompare P

ProfoundUndisclosedGBrain and Profound Context Manager both serve buyers who need to keep an assistant's memory of a company or team; scale not recorded for either.1 of 2 capabilitiesShared product typeCompare H

HarveyLate-stageGBrain and Harvey Memory both serve buyers who need to keep an assistant's memory of a company or team; GBrain's scale not recorded.2 of 2 capabilitiesShared product typeCompare A

AttioLate-stageGBrain and Universal Context both serve buyers who need to keep an assistant's memory of a company or team; scale not recorded for either.2 of 2 capabilitiesShared product typeCompare ML

Mintplex LabsUndisclosedGBrain and AnythingLLM both serve buyers who need to use an everyday AI assistant; scale not recorded for either.1 of 2 capabilitiesShared product typeCompare NA

Nomic AIUndisclosedGBrain and GPT4All both serve buyers who need to use an everyday AI assistant; scale not recorded for either.1 of 2 capabilitiesShared product typeCompare N

NaverPublicGBrain and AI Tab both serve buyers who need to use an everyday AI assistant; GBrain's scale not recorded.Shared product typeCompare K

KorsoUndisclosedGBrain and Korso both serve buyers who need to use an everyday AI assistant; scale not recorded for either.Shared product typeCompare A

AmazonPublicGBrain and Amazon Business Assistant both serve buyers who need to use an everyday AI assistant; GBrain's scale not recorded.2 of 2 capabilitiesShared product typeCompare L

LogosGuardUndisclosedGBrain and LogosGuard AI Privacy Shield both serve buyers who need to use an everyday AI assistant; scale not recorded for either.Shared product typeCompare P

PalantirPublicGBrain and AIP Assist both serve buyers who need to use an everyday AI assistant; GBrain's scale not recorded.2 of 2 capabilitiesShared product typeCompare W

WritesonicUndisclosedGBrain and Chatsonic both serve buyers who need to use an everyday AI assistant; scale not recorded for either.1 of 2 capabilitiesShared product typeCompare A

AiseraAcquiredGBrain and GenIQ both serve buyers who need to use an everyday AI assistant; GBrain's scale not recorded; Aisera is acquired, with no independent scale.2 of 2 capabilitiesShared product typeCompare R

RogoLate-stageGBrain and Intelligence both serve buyers who need to keep an assistant's memory of a company or team; scale not recorded for either.2 of 2 capabilitiesShared product typeCompare M

MosaicUndisclosedGBrain and Mosaic both serve buyers who need to keep an assistant's memory of a company or team; scale not recorded for either; ships developer tool rather than the same layer.Different layerCompare A

ArenaLate-stageGBrain and Arena both serve buyers who need to use an everyday AI assistant; GBrain's scale not recorded.Shared product typeCompare E

Evergreen.aiUndisclosedGBrain and Evergreen.ai both serve buyers who need to use an everyday AI assistant; scale not recorded for either.Shared product typeCompare T

TorqLate-stageGBrain and Torq Context Graph and Memory Layer both serve buyers who need to keep an assistant's memory of a company or team; GBrain's scale not recorded.2 of 2 capabilitiesShared product typeCompare S

Sapia.aiUndisclosedGBrain and Phai both serve buyers who need to use an everyday AI assistant; scale not recorded for either.1 of 2 capabilitiesShared product typeCompare V

VeniceLate-stageGBrain and Venice both serve buyers who need to use an everyday AI assistant; GBrain's scale not recorded.Shared product typeCompare C

ClickUpLate-stageGBrain and ClickUp Brain MAX both serve buyers who need to use an everyday AI assistant; GBrain's scale not recorded.2 of 2 capabilitiesShared product typeCompare L

LogicalUndisclosedGBrain and Logical both serve buyers who need to use an everyday AI assistant; scale not recorded for either.Shared product typeCompare Y

You.comLate-stageGBrain and You.com both serve buyers who need to use an everyday AI assistant; GBrain's scale not recorded.1 of 2 capabilitiesShared product typeCompare TB

The Browser CompanyUndisclosedGBrain and Arc Search both serve buyers who need to use an everyday AI assistant; scale not recorded for either.1 of 2 capabilitiesShared product typeCompare LS

LM StudioUndisclosedGBrain and LM Studio both serve buyers who need to use an everyday AI assistant; scale not recorded for either.Shared product typeCompare W

WorkdayPublicGBrain and Deployment Agent both serve buyers who need to use an everyday AI assistant; GBrain's scale not recorded.2 of 2 capabilitiesShared product typeCompare C

CerencePublicGBrain and Cerence Assistant both serve buyers who need to use an everyday AI assistant; GBrain's scale not recorded.Shared product typeCompare S

SuperhumanUndisclosedGBrain and Superhuman Go both serve buyers who need to use an everyday AI assistant; scale not recorded for either.1 of 2 capabilitiesShared product typeCompare H

HyperWriteUndisclosedGBrain and HyperChat both serve buyers who need to use an everyday AI assistant; scale not recorded for either.1 of 2 capabilitiesShared product typeCompare B

ByteDanceUndisclosedGBrain and Doubao (豆包) both serve buyers who need to use an everyday AI assistant; GBrain's scale not recorded; ByteDance's scale not comparable: only a revenue estimate, no market cap or valuation.1 of 2 capabilitiesShared product typeCompare M

MicrosoftPublicGBrain and Idea Coach both serve buyers who need to use an everyday AI assistant; GBrain's scale not recorded.2 of 2 capabilitiesShared product typeCompare Q

QuoraEarly-stageGBrain and Poe both serve buyers who need to use an everyday AI assistant; GBrain's scale not recorded.Shared product typeCompare G

GlenUndisclosedGBrain and Glen both serve buyers who need to keep an assistant's memory of a company or team; scale not recorded for either; ships platform rather than the same layer.1 of 2 capabilitiesDifferent layerCompare ST

SK TelecomPublicGBrain and A. (Adot) both serve buyers who need to use an everyday AI assistant; scale not recorded for either.Shared product typeCompare RA

Relevance AIEarly-stageGBrain and Relevance Chat both serve buyers who need to use an everyday AI assistant; scale not recorded for either.1 of 2 capabilitiesShared product typeCompare P

PerplexityLate-stageGBrain and Perplexity both serve buyers who need to use an everyday AI assistant; GBrain's scale not recorded.2 of 2 capabilitiesShared product typeCompare D

DelineaUndisclosedGBrain and Delinea Expert both serve buyers who need to use an everyday AI assistant; scale not recorded for either.1 of 2 capabilitiesShared product typeCompare W

WeaviateUndisclosedGBrain and Engram both serve buyers who need to keep an assistant's memory of a company or team; scale not recorded for either; ships AI agent and API service rather than the same layer.1 of 2 capabilitiesDifferent layerCompare

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Closest alternatives are pairs a vendor page itself compares. Similar products are matched from what each product does; nothing in that group is asserted as a rivalry.