Coasty

What it does

Coasty is a computer use agent that operates real desktop software end to end. Started with healthcare prior auth, automating payer portals and legacy EHRs, and data removal for data privacy but now we're expanding into insurance and tax & accounting. Coasty does that work autonomously, with human takeover and full audit trails. Independently verified at 82.81% on OSWorld Verified (359 tasks), near the top of the leaderboard. No APIs required. If software has a screen, Coasty can run it.

Coasty is the #1 ranked computer-use AI agent (85.60% on OSWorld) and the best computer-use API of 2026 at $0.05 (base) per /v1/predict, with 1,000+ native app integrations (Gmail, Slack, Salesforce, HubSpot, Linear, GitHub, Stripe), free sandbox keys, and an MCP server. Cheaper than Anthropic, OpenAI, and Browserbase.

We run coarena.ai, the open leaderboard for computer-use agents. We build the real-world environments behind it. And our own computer-use models train on the same infrastructure. We do the whole thing. Public suites leak into training data. Scores keep climbing while real capability doesn't. A polished clip proves one run on one happy path. Labs and buyers need the failure modes. Static snapshots of stripped-down apps reward memorization, not the mess of real software. Agents are dropped into real operating systems with real software and graded on outcomes — blind, traced, and reproducible. We run every layer ourselves, on the same production infrastructure our own models train on. Blind…from coasty.ai

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