LogosGuard

Browser extension that finds names, addresses, account numbers and secrets in a prompt on the user's device and swaps them for placeholders before the prompt reaches ChatGPT, Claude, Gemini and other AI tools, with an enterprise tier for teams.

StageUndisclosed
Founded2025
HeadquartersSan Francisco, USA
StatusPrivate
logosguard.com

Product

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

Similar products 75

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 ↗

CyeraLate-stageLogosGuard AI Privacy Shield and Cyera Identity do comparable work on data security and guardrails and safety; LogosGuard's scale not recorded.2 of 2 capabilitiesShared product typeCompareZscalerPublicLogosGuard AI Privacy Shield and Zscaler AI Guard for Users do comparable work on data security and guardrails and safety; LogosGuard's scale not recorded.2 of 2 capabilitiesShared product typeCompareEnkrypt AIAcquiredLogosGuard AI Privacy Shield and Enkrypt AI do comparable work on data security and guardrails and safety; LogosGuard's scale not recorded; Enkrypt AI is acquired, with no independent scale; ships API service rather than the same layer.2 of 2 capabilitiesDifferent layerCompareGlean (Glean Technologies)Late-stageLogosGuard AI Privacy Shield and Glean Protect do comparable work on data security and guardrails and safety; LogosGuard's scale not recorded.2 of 2 capabilitiesShared product typeCompareSentinelOnePublicLogosGuard AI Privacy Shield and Prompt Security do comparable work on data security and guardrails and safety; LogosGuard's scale not recorded.2 of 2 capabilitiesShared product typeComparePalo Alto NetworksPublicLogosGuard AI Privacy Shield and Prisma AIRS Agent Identity Security do comparable work on data security and guardrails and safety; LogosGuard's scale not recorded.2 of 2 capabilitiesShared product typeCompareServiceNowPublicLogosGuard AI Privacy Shield and AI Control Tower do comparable work on data security and guardrails and safety; LogosGuard's scale not recorded.2 of 2 capabilitiesShared product typeCompareCrowdStrikePublicLogosGuard AI Privacy Shield and Falcon Guardian do comparable work on data security and guardrails and safety; LogosGuard's scale not recorded.2 of 2 capabilitiesShared product typeCompareWorkdayPublicLogosGuard AI Privacy Shield and Workday Learning, powered by Sana both serve buyers who need to use an everyday AI assistant; LogosGuard's scale not recorded.2 of 2 capabilitiesShared product typeCompareDataikuLate-stageLogosGuard AI Privacy Shield and Dataiku Govern both list guardrails and safety; LogosGuard's scale not recorded.2 of 2 capabilitiesShared product typeCompareHiddenLayerEarly-stageLogosGuard AI Privacy Shield and Agent Harness Security both list data security; scale not recorded for either.2 of 2 capabilitiesShared product typeCompareDocusignPublicLogosGuard AI Privacy Shield and Docusign Identify both list data security; LogosGuard's scale not recorded.1 of 2 capabilitiesShared product typeComparePalantirPublicLogosGuard AI Privacy Shield and AIP Assist both serve buyers who need to use an everyday AI assistant; LogosGuard's scale not recorded.1 of 2 capabilitiesShared product typeCompareArenaLate-stageLogosGuard AI Privacy Shield and Arena both serve buyers who need to use an everyday AI assistant; LogosGuard's scale not recorded.Shared product typeCompareMicrosoftPublicLogosGuard AI Privacy Shield and Microsoft Copilot both serve buyers who need to use an everyday AI assistant; LogosGuard's scale not recorded.2 of 2 capabilitiesShared product typeCompareNaverPublicLogosGuard AI Privacy Shield and AI Tab both serve buyers who need to use an everyday AI assistant; LogosGuard's scale not recorded.Shared product typeCompareEvergreen.aiUndisclosedLogosGuard AI Privacy Shield and Evergreen.ai both serve buyers who need to use an everyday AI assistant; scale not recorded for either.Shared product typeCompareCheck Point Software TechnologiesPublicLogosGuard AI Privacy Shield and Workforce AI Security do comparable work on data security and guardrails and safety; scale not recorded for either.2 of 2 capabilitiesShared product typeCompareJasperUndisclosedLogosGuard AI Privacy Shield and Jasper Brand IQ both list guardrails and safety; scale not recorded for either.1 of 2 capabilitiesShared product typeCompareVectra AILate-stageLogosGuard AI Privacy Shield and Cloud Detection and Response for AWS both list data security; LogosGuard's scale not recorded.1 of 2 capabilitiesShared product typeCompareAbnormal SecurityLate-stageLogosGuard AI Privacy Shield and AI Employee Guardrails do comparable work on data security and guardrails and safety; LogosGuard's scale not recorded.2 of 2 capabilitiesShared product typeCompareIBMPublicLogosGuard AI Privacy Shield and IBM Guardium AI Security both list data security; LogosGuard's scale not recorded.2 of 2 capabilitiesShared product typeCompareWizAcquiredLogosGuard AI Privacy Shield and Wiz AI-SPM both list data security; LogosGuard's scale not recorded; Wiz is acquired, with no independent scale; ships platform rather than the same layer.1 of 2 capabilitiesDifferent layerCompareJFrogPublicLogosGuard AI Privacy Shield and JFrog Agent Guard both list guardrails and safety; scale not recorded for either; ships developer tool, infrastructure service and 1 more rather than the same layer.1 of 2 capabilitiesDifferent layerCompareOktaPublicLogosGuard AI Privacy Shield and Okta for AI Agents do comparable work on data security and guardrails and safety; scale not recorded for either.2 of 2 capabilitiesShared product typeCompareLiquid AIUndisclosedLogosGuard AI Privacy Shield and ShieldFlow do comparable work on data security and guardrails and safety; scale not recorded for either.2 of 2 capabilitiesShared product typeCompareWriterLate-stageLogosGuard AI Privacy Shield and WRITER AI Studio both list guardrails and safety; LogosGuard's scale not recorded.1 of 2 capabilitiesShared product typeCompareQuoraEarly-stageLogosGuard AI Privacy Shield and Poe both serve buyers who need to use an everyday AI assistant; LogosGuard's scale not recorded.Shared product typeCompareLogicalUndisclosedLogosGuard AI Privacy Shield and Logical both serve buyers who need to use an everyday AI assistant; scale not recorded for either.Shared product typeCompareRiverUndisclosedLogosGuard AI Privacy Shield and River both serve buyers who need to use an everyday AI assistant; scale not recorded for either.Shared product typeCompareDelineaUndisclosedLogosGuard AI Privacy Shield and Delinea Expert both serve buyers who need to use an everyday AI assistant; scale not recorded for either.1 of 2 capabilitiesShared product typeCompareThe Browser CompanyUndisclosedLogosGuard AI Privacy Shield and Arc Search both serve buyers who need to use an everyday AI assistant; scale not recorded for either.Shared product typeCompareAnacondaLate-stageLogosGuard AI Privacy Shield and AI Security & Guardrails do comparable work on data security and guardrails and safety; LogosGuard's scale not recorded.2 of 2 capabilitiesShared product typeCompareInvisible TechnologiesLate-stageLogosGuard AI Privacy Shield and Synapse both list guardrails and safety; scale not recorded for either; ships agent platform, data service and 1 more rather than the same layer.1 of 2 capabilitiesDifferent layerCompareHyperWriteUndisclosedLogosGuard AI Privacy Shield and HyperChat both serve buyers who need to use an everyday AI assistant; scale not recorded for either.Shared product typeCompareBroadcomPublicLogosGuard AI Privacy Shield and AgentMinder do comparable work on data security and guardrails and safety; LogosGuard's scale not recorded; ships hardware and platform rather than the same layer.2 of 2 capabilitiesDifferent layerCompareZapierLate-stageLogosGuard AI Privacy Shield and AI Guardrails by Zapier do comparable work on data security and guardrails and safety; LogosGuard's scale not recorded.2 of 2 capabilitiesShared product typeCompareCodeRabbitLate-stageLogosGuard AI Privacy Shield and CodeRabbit Security both list guardrails and safety; LogosGuard's scale not recorded; ships AI agent and developer tool rather than the same layer.1 of 2 capabilitiesDifferent layerCompareVeniceLate-stageLogosGuard AI Privacy Shield and Venice both serve buyers who need to use an everyday AI assistant; LogosGuard's scale not recorded.Shared product typeCompareSuperhumanUndisclosedLogosGuard AI Privacy Shield and Superhuman Go both serve buyers who need to use an everyday AI assistant; scale not recorded for either.Shared product typeCompareLM StudioUndisclosedLogosGuard AI Privacy Shield and LM Studio both serve buyers who need to use an everyday AI assistant; scale not recorded for either.Shared product typeCompareCore42UndisclosedLogosGuard AI Privacy Shield and Compass Chat Enterprise both serve buyers who need to use an everyday AI assistant; scale not recorded for either.1 of 2 capabilitiesShared product typeCompareMintplex LabsUndisclosedLogosGuard AI Privacy Shield and AnythingLLM both serve buyers who need to use an everyday AI assistant; scale not recorded for either.Shared product typeCompareAnthropicLate-stageLogosGuard AI Privacy Shield and Claude both serve buyers who need to use an everyday AI assistant; LogosGuard's scale not recorded.1 of 2 capabilitiesShared product typeCompareCerencePublicLogosGuard AI Privacy Shield and Cerence Assistant both serve buyers who need to use an everyday AI assistant; LogosGuard's scale not recorded.Shared product typeCompareSapia.aiUndisclosedLogosGuard AI Privacy Shield and Phai both serve buyers who need to use an everyday AI assistant; scale not recorded for either.Shared product typeCompareOpenAILate-stageLogosGuard AI Privacy Shield and ChatGPT both serve buyers who need to use an everyday AI assistant; LogosGuard's scale not recorded.1 of 2 capabilitiesShared product typeCompareFortinetPublicLogosGuard AI Privacy Shield and FortiDLP both list data security; LogosGuard's scale not recorded.2 of 2 capabilitiesShared product typeCompareAssemblyAILate-stageLogosGuard AI Privacy Shield and AssemblyAI Guardrails do comparable work on data security and guardrails and safety; scale not recorded for either.2 of 2 capabilitiesShared product typeCompareWritesonicUndisclosedLogosGuard AI Privacy Shield and Chatsonic both serve buyers who need to use an everyday AI assistant; scale not recorded for either.Shared product typeCompareByteDanceUndisclosedLogosGuard AI Privacy Shield and Doubao (豆包) both serve buyers who need to use an everyday AI assistant; LogosGuard's scale not recorded; ByteDance's scale not comparable: only a revenue estimate, no market cap or valuation.Shared product typeCompareYou.comLate-stageLogosGuard AI Privacy Shield and You.com both serve buyers who need to use an everyday AI assistant; LogosGuard's scale not recorded.Shared product typeCompareCiscoPublicLogosGuard AI Privacy Shield and Cisco AI Defense do comparable work on data security and guardrails and safety; LogosGuard's scale not recorded.2 of 2 capabilitiesShared product typeCompareSK TelecomPublicLogosGuard AI Privacy Shield and A. (Adot) both serve buyers who need to use an everyday AI assistant; scale not recorded for either.Shared product typeCompareClickUpLate-stageLogosGuard AI Privacy Shield and ClickUp Brain MAX both serve buyers who need to use an everyday AI assistant; LogosGuard's scale not recorded.Shared product typeCompareAmazonPublicLogosGuard AI Privacy Shield and Alexa for Shopping both serve buyers who need to use an everyday AI assistant; LogosGuard's scale not recorded.1 of 2 capabilitiesShared product typeCompareMoveworksAcquiredLogosGuard AI Privacy Shield and Moveworks Quick GPT both serve buyers who need to use an everyday AI assistant; LogosGuard's scale not recorded; Moveworks is acquired, with no independent scale.Shared product typeCompareNomic AIUndisclosedLogosGuard AI Privacy Shield and GPT4All both serve buyers who need to use an everyday AI assistant; scale not recorded for either.Shared product typeCompareRelevance AIEarly-stageLogosGuard AI Privacy Shield and Relevance Chat both serve buyers who need to use an everyday AI assistant; scale not recorded for either.Shared product typeComparePerplexityLate-stageLogosGuard AI Privacy Shield and Perplexity both serve buyers who need to use an everyday AI assistant; LogosGuard's scale not recorded.Shared product typeCompareAiseraAcquiredLogosGuard AI Privacy Shield and GenIQ both serve buyers who need to use an everyday AI assistant; LogosGuard's scale not recorded; Aisera is acquired, with no independent scale.Shared product typeCompareSplunkAcquiredLogosGuard AI Privacy Shield and Splunk Enterprise Security both list data security; LogosGuard's scale not recorded; Splunk is acquired, with no independent scale.2 of 2 capabilitiesShared product typeCompareNVIDIAPublicLogosGuard AI Privacy Shield and NVIDIA OpenShell do comparable work on data security and guardrails and safety; LogosGuard's scale not recorded.2 of 2 capabilitiesShared product typeCompareRingCentralPublicLogosGuard AI Privacy Shield and AI Virtual Assistant (AVA) both serve buyers who need to use an everyday AI assistant; LogosGuard's scale not recorded.Shared product typeCompareUniphoreLate-stageLogosGuard AI Privacy Shield and Communication Recording Agent both list data security; LogosGuard's scale not recorded.1 of 2 capabilitiesShared product typeCompareTypefaceUndisclosedLogosGuard AI Privacy Shield and Typeface Brand Graph both list guardrails and safety; scale not recorded for either.1 of 2 capabilitiesShared product typeCompareMaxim AIUndisclosedLogosGuard AI Privacy Shield and Bifrost Edge both list guardrails and safety; scale not recorded for either.1 of 2 capabilitiesShared product typeCompareDecagonLate-stageLogosGuard AI Privacy Shield and Personal Agent Gateway both list guardrails and safety; LogosGuard's scale not recorded.1 of 2 capabilitiesShared product typeCompareFiddler AILate-stageLogosGuard AI Privacy Shield and Fiddler Guardrails both list guardrails and safety; scale not recorded for either.1 of 2 capabilitiesShared product typeCompareArthur AIEarly-stageLogosGuard AI Privacy Shield and Arthur Agent Security & Governance both list guardrails and safety; scale not recorded for either.1 of 2 capabilitiesShared product typeCompareHarnessLate-stageLogosGuard AI Privacy Shield and AI Posture both list guardrails and safety; scale not recorded for either.1 of 2 capabilitiesShared product typeCompareRogoLate-stageLogosGuard AI Privacy Shield and Watchtower both list guardrails and safety; scale not recorded for either.1 of 2 capabilitiesShared product typeCompareVercelLate-stageLogosGuard AI Privacy Shield and Vercel Passport both list guardrails and safety; LogosGuard's scale not recorded.1 of 2 capabilitiesShared product typeCompareHippocratic AILate-stageLogosGuard AI Privacy Shield and AI Call Supervisor both list guardrails and safety; LogosGuard's scale not recorded.1 of 2 capabilitiesShared product typeCompareCoreWeavePublicLogosGuard AI Privacy Shield and Mission Control both list data security; LogosGuard's scale not recorded.1 of 2 capabilitiesShared product typeCompare

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.

Sources

Total funding

Not found · 18 Oct 2026

Pages read for this record state no funding total. Tried the home, product, pricing, terms and privacy pages and the company's YC profile.

Valuation

Not found · 18 Oct 2026

Pages read for this record state no valuation. Tried the home, product, pricing, terms and privacy pages and the company's YC profile.

Founded

Company disclosure · 18 Oct 2026

Own YC profile lists Founded: 2025; logosguard.com states no founding year.

Public listing

Not found · 18 Oct 2026

No listing on the pages read; treated as private.

Description

Official documentation · 18 Oct 2026

Home page: "LogosGuard redacts your sensitive data before your prompt leaves your device."

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