Research agents built for depth over speed @ycombinator S23

Joined July 2023
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We asked 50 top investors what they expect founders to know about their space, then distilled the answers into the Founder Stack. 10 reports backed by ~15 continuous hours of research that go deeper on your market, customers, competitors, wedge, upside, and the case against you than anything else out there. If you don't learn something new, you get your money back.
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We asked 50 top investors what they expect founders to know about their space, then distilled the answers into the Founder Stack. 10 reports backed by ~15 continuous hours of research that go deeper on your market, customers, competitors, wedge, upside, and the case against you than anything else out there. If you don't learn something new, you get your money back.
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Get the Founder Stack here: webhound.ai/stacks/founder-s… $500, and you get $100 of Webhound credit on top to keep researching after.
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Webhound retweeted

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Most AI tools hallucinate and hope you don't notice. Webhound now shows the exact tool call chain behind every claim. Every search. Every page. Every python script. Go try to catch it lying. We don't think you will. webhound.ai/news/tool-chains
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Webhound retweeted
As a “business guy” I’m slightly embarrassed to share what I’ve been vibe coding. I’ve built a pipeline for doing deep research on San Francisco public policy issues using Manus, Webhound.ai, and Dropbox. When I share I hope you all will have a ton of useful advice (instead of flaming me).
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Introducing Webhound Agent: Your AI research assistant powered by the best deep research money can buy. Most deep research products decide for you when to stop — and since they're subscription-based, the less work they do per query, the more they profit. Webhound flips that. You set the budget and Webhound keeps searching until it's used. $5 or $100 — every dollar goes into deeper search, more sources, and real verification. Today we're launching Webhound Agent — a full research assistant with a workspace. Start research from chat. Analyze results with code and follow-up questions. Organize everything in folders. Run multi-step pipelines. The agent remembers your preferences and gets better the more you use it. Pay-as-you-go. No subscriptions. $5 free to start. See real example reports at different budgets: webhound.ai/examples
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Here's a demo from one of our founders Theo on how we used Webhound Agent to create the Claude skill that one-shotted this video
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Webhound retweeted
A lot of people asking "why webhound?" As one of the founders here's why imo
My new deep research setup: Manus to create research prompts / exec summaries, Webhound to run$100 deep research reports (Manus uses the Webhound API), Dropbox to store all the research reports (Manus saves/ organizes reports using the Dropbox API)
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Very cool stuff!
In case you’ve ever wondered if Diet Coke is bigger than normal Coke - you’re not alone! So have I. So I made Webhound look it up for me (and some fun facts) - here it is if you’re interested webhound.ai/document/32bc71d…
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Webhound retweeted
The problem with other deep research products is they seem tuned to do the minimum. I have to constantly prompt them to dig deeper and double check their work. With Webhound - if I want an accurate report that costs $1 to produce - great! If I want one that costs $100? No problem!
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Thanks for the shoutout! If you're new here, we build long-horizon research agents. In simpler terms, our deep research runs until your set budget is expended. We recently placed #1 on DeepResearch Bench, outperforming competitors on comprehensiveness and insight.
I always wanted an AI deep research product with the following characteristics: 1. I set the price and it runs for as long as I'm willing to pay 2. Ability to produce reports or structured data 3. Great data validation I think I might have found what I'm looking for: webhound.ai/
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We built a new deep research architecture and it ranked #1 on DeepResearch Bench. Most AI research tools optimize for speed. We built for depth. Long-running agents that scale quality with the time and budget you give them. Today we're launching Reports, a new product for comprehensive cited research. We also upgraded our Datasets product with the same architecture. Try it free at webhound.ai
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1 Dec 2025
New Webhound feature drop: Workflows. Multi-step research breaks to-do lists. Branching logic, conditional steps, and non-linear paths need structure. Webhound now builds a node-based workflow that mirrors how the task unfolds. More feature drops all week.
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19 Nov 2025
Refer a friend to Webhound, you both get $2 instantly. When they make their first purchase, you both get matching credits up to $50. Find your referral code at the top of your home screen. webhound.ai/news/referral-pr…
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5 Nov 2025
Two new Webhound features: → Start from an existing spreadsheet then enrich expand it automatically → Add custom columns with your own enrichment instructions Watch the demo: youtube.com/watch?v=oI6igTf-…
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