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COLD START / catalog / c/webhoundretrieved 2026-05-14T19:00 UTC · 3 sources read

Webhound

Webhound is an AI research agent that autonomously browses the web to build structured datasets from unstructured public information.

webhound.ai · San Francisco

CALL NO.CS·WEBHOUND·26
StagePre-SeedSeptember 2023 · led by Y Combinator[1]
Raised$500,000disclosed rounds[1]
Headcount3as of Apr 2026[1]
Valuationnot publicly disclosedno source in ledger
Founded2023[1]
Money

Raised $500,000 across disclosed rounds.[1]

Pre-Seed closed September 2023, led by Y Combinator.[1]

post-money valuation is not publicly disclosed.

Named investors include Y Combinator.[1][2]

Signals
Apr 29 2026otherWebsite traffic grew +352.8% month-over-month as of April 2026, reaching ~5,560 monthly visits company claim, not independently confirmed[1]
Mar 25 2026launchWebhound Agent launched: AI research assistant powered by deep research architecture, ranked #1 on DeepResearch Bench company claim, not independently confirmed[1]
Mar 7 2026launchWebhound research agent can write and execute Python code on the fly during research sessions company claim, not independently confirmed[1]
Mar 6 2026launchWebhound introduced cross-session access, conversational planning, and research phases company claim, not independently confirmed[1]
Jan 26 2026launchNew deep research architecture built by Webhound ranked #1 on DeepResearch Bench company claim, not independently confirmed[1]
Sep 25 2025launchLaunch HN: Webhound (YC S23) – Research agent that builds datasets from the web[2]
Comps

Apify · apify.com · Adjacent use case—structured data from the web—but Apify requires scraper configuration or actor selection, while Webhound targets natural-language task input as the primary interface, positioning against the developer/configurator workflow.[1][2]

Parallel Web Systems · parallel.ai · Both serve AI agents/workflows that need structured web data at scale; Parallel is upstream infrastructure (search index API), Webhound is a task-level research agent that builds output datasets.[3]

Clay · clay.com · Overlapping buyer (sales/GTM teams wanting enriched datasets from web sources) and similar workflow of assembling structured data from disparate web inputs, though Clay focuses on GTM enrichment via pre-integrated data providers rather than open-ended web...[1]

Risk

The customer proof is company-sourced only. No independent source in this ledger confirms it.[1]

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Webhound

CALL NO.CS·WEBHOUND·26

Webhound is an AI research agent that autonomously browses the web to build structured datasets from unstructured public information.

webhound.ai · San Francisco

StagePre-Seed
Raised$500,000
Headcount3
Valuationnot publicly disclosed
Founded2023
CompsApify +2

Ask for one referenceable production customer.

Not a recommendation. The first thing this ledger cannot answer.