Prateek Jannu
Founder of CoArena, The biggest crowdsourced benchmark for Computer-Use
Company
Prateek Jannu is listed as a founder of CoArena. CoArena is a live arena where anyone can use the world's top computer-use models racing two of them on the same real computer task and judging which one did it better. Every battle becomes something the AI labs can't build themselves, an honest test of their agents on real work, and the data to make them better.
Founder traction evidence
Public posts and activity attributed directly to this founder.
- X
We're live on YC S26! Getting into YC was hard. Finding housing in SF? Somehow harder. The real demo day is Craigslist. coasty[dot]ai Nitish Kovuru
We're live on YC S26! Getting into YC was hard. Finding housing in SF? Somehow harder. The real demo day is Craigslist. coasty[dot]ai Nitish Kovuru
- X
Claude Mythos for Computer Use at 60% the price.
Claude Mythos for Computer Use at 60% the price. Every computer-use agent demos beautifully on clean web apps. Real work lives in legacy desktop software surprise pop-ups, modals that steal focus, menus from 2003. We built the one that survives it. https://t.co/jYDi821QnM
- X
Coasty founder YC S26 announcement
Founder Prateek Jannu said Coasty is now in Y Combinator S26 and described pushing computer-use for customers, developers, and enterprises.
- X
One prompt spawned a swarm of 6 computer-use agents. Each one: its own machine, its own browser, its own job application. They coordinate across machines in real time, you watch the swarm tree grow live. #1 OSWorld (82%). Beats OpenAI (74%). Beats Claude (75%). jobs applied. No Show more 0:01 / 1:11
One prompt spawned a swarm of 6 computer-use agents. Each one: its own machine, its own browser, its own job application. They coordinate across machines in real time, you watch the swarm tree grow live. #1 OSWorld (82%). Beats OpenAI (74%). Beats Claude (75%). jobs applied. No...
- X
why we're in @ycombinator enterprise rpa breaks every time a screen changes. and half of you are still clicking through sops by hand in 2026. we built @coastyai to fix this. an agent that reads the screen and just does the work. 85.6% on osworld. got a broken bot or a manual Show more
why we're in @ycombinator enterprise rpa breaks every time a screen changes. and half of you are still clicking through sops by hand in 2026. we built @coastyai to fix this. an agent that reads the screen and just does the work. 85.6% on osworld. got a broken bot or a manual...
- X
We gave 12 AI agents 12 legacy green-screen systems and told them to get on with it.
We gave 12 AI agents 12 legacy green-screen systems and told them to get on with it. No selectors. No scripts. Screenshot in, action out. 73 steps. $0.29 for all twelve. Every system had a decoy. They walked past all of them. All 12 repos, open source https://t.co/AFKDDULYJC
- X
You can now run both your tesla and your computer on autopilot using @coastyai , to whoever is stuck in traffic, happy 4th of july! Run your computer on autopilot using coasty[dot]ai
You can now run both your tesla and your computer on autopilot using @coastyai , to whoever is stuck in traffic, happy 4th of july! Run your computer on autopilot using coasty[dot]ai
- X
For anyone building in the computer use space, good place to start
For anyone building in the computer use space, good place to start