Coasty
Coasty is an API and platform for computer-use AI agents: developers send a natural-language task, pick a managed Linux or Windows machine, and the agent drives the interface via screenshots, mouse, and keyboard until the goal is verified done. It targets back-office work in legacy desktop software where RPA scripts and rival agents break.
Founders Nitish Kovuru and Prateek Jannu (YC S26, San Francisco) first surfaced the product on HN in February 2026 claiming a state-of-the-art OSWorld score, then formally launched on HN on July 15, 2026 with a claimed 82.81% on OSWorld and a pivot toward automating healthcare payer-portal workflows.
A remote-controlled desktop that reads the screen like a person, not a script that snaps the moment a menu moves.
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Search Interest
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Nascent0–7 days
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Emergent8–30 days
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Validating31–90 days
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Rising ← now91–180 days
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Established180 days +
Why is it emerging now?
Coasty's July 15 Launch HN post reframed a five-month-old computer-use agent as a YC S26 company chasing healthcare payer portals, claiming 82.81% on OSWorld while HN commenters disputed the "SOTA" framing.
Outlook
6-month signal projection and commercial timeline.
YC backing and a healthcare vertical pivot give Coasty a real GTM wedge in a crowded computer-use agent field.
Risk · Its "SOTA" OSWorld claim isn't visible on the independent OSWorld-Verified leaderboard and drew HN skepticism.
Analogs · RPA (robotic process automation) · browser automation frameworks · serverless functions
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nowUsage-based API pricing live
Per-step, per-prediction, and per-machine-hour billing already shipped.
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3-6moHealthcare vertical GTM push
Payer-portal positioning targets RCM teams over generic dev API buyers.
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6-12moBenchmark credibility decides trust
Independent OSWorld ranking will settle the disputed SOTA claim.
Competition & Opportunity for term “Coasty”
Signals derived from the tracked queries, the term's monetization cards, and its cluster neighbors. Heuristic except where marked measured (Google KD).
Ideas for term “Coasty”
Buildable pitches — turn this term into an article, site, product, post, newsletter, video, or course. Steal any card and run with it.
Coasty ships nine head-to-head comparison pages already; a neutral third-party benchmark writeup fills a real search gap for buyers comparing CUA vendors.
Coasty's own pivot to payer portals signals real search demand from RCM/ops teams for a how-to on this exact workflow.
Coasty's blog argues rival tools 'break when the UI changes' — a durable long-tail query for ops buyers evaluating automation vendors.
HN commenters called Coasty's SOTA claim unverifiable; a neutral scoring dashboard for CUA vendors is an underserved trust layer.
The 'commits that don't commit' failure mode debated on HN — forms showing correct values while state stays null — is a concrete, unaddressed pain point.
First-person stress-test format plays directly into the HN skepticism thread; strong engagement bait for r/programming or HN itself.
Coasty's pivot from generic CUA to payer portals mirrors a broader YC batch trend worth naming as a pattern.
Coasty claims 82.81% on OSWorld and calls itself "the #1 Computer Use Agent" — but the number doesn't show up on the independent OSWorld-Verified leaderboard.
Coasty spent five months selling a general-purpose desktop-control API to developers. In July it started selling to healthcare billing teams instead.
What People Search
Long-tail queries from Google Suggest + Trends. Volume and competition are heuristics — directional, not audited. Content Type comes from query shape.
SERP of term “Coasty”
What searchers see today — organic results on top, paid ads if anyone's bidding. Ad density is a real-time commercial signal.
FAQ
What is Coasty?
Coasty is an API and platform for computer-use AI agents: developers send a natural-language task, pick a managed Linux or Windows machine, and the agent drives the interface via screenshots, mouse, and keyboard until the goal is verified….
Why is Coasty emerging now?
Coasty's July 15 Launch HN post reframed a five-month-old computer-use agent as a YC S26 company chasing healthcare payer portals, claiming 82.81% on OSWorld while HN commenters disputed the "SOTA" framing.
When did Coasty emerge?
Publicly emerged around 2026-02-22 (about 144 days ago as of 2026-07-16). EarlyTerms first recorded a pipeline signal on 2026-07-16.
Related Terms
Other terms in the same space — aliases, subtypes, competitors, and neighbors to explore next.
- Part of CUA CUA (Computer-Use Agent) is the open-source infrastructure project by trycua that provides sandboxes, SDKs, and benchmarks for building… →
- Competitor browser-use Browser Use is an open-source Python library (browser-use/browser-use) that lets an LLM drive a real Chrome instance to complete web… →
- Related agent-loop An agent loop is the control-flow pattern at the center of every autonomous LLM agent: the model observes its context, reasons about… →
- Related managed-agents Managed Agents is an infrastructure paradigm where cloud platforms host, orchestrate, and operate AI agents as a service. →
- Related agent-harness An agent harness is the middleware between a large language model and the real world — code that runs the agent loop, calls tools,… →
- Related remote-workspaces Remote Workspaces is a developer infrastructure pattern where AI coding agent orchestrators run isolated environments — terminals, file… →
- Related workspace-agent A workspace agent is an AI agent scoped to a shared organizational environment — running persistently in the cloud, accessing… →
- Competitor ··
- Related
Sources
Primary URLs this report cites — open any to verify the claim yourself.
- 01 Launch HN: Coasty (YC S26) – An API for computer-use agents news.ycombinator.com ↗
- 02 Coasty — Y Combinator company profile ycombinator.com ↗
- 03 Coasty — API docs coasty.ai ↗
- 04 Coasty homepage — healthcare payer-portal positioning coasty.ai ↗
- 05 Coasty Blog — Why Your Computer Use Agent API Integration Might Be A Dead End coasty.ai ↗
- 06 Show HN: Coasty.ai – We just hit SOTA on OSWorld news.ycombinator.com ↗
- 07 OSWorld-Verified leaderboard benchlm.ai ↗