cosskill is an AI communication simulator for rehearsing high-stakes conversations — salary negotiations, performance feedback, difficult personal talks — by speaking with realistic AI personas before they happen.
This month we shipped a full Chinese-language interface. Every persona, scenario and settings screen now works in Chinese as well as English, so you can rehearse in the language you'll actually be speaking when the conversation matters.
What you can do without an account: 3 full messages, every persona and scenario unlocked. After signing in: 10 messages. Pro removes the cap entirely — $12.90/month, or $9.90/month billed yearly.
Why rehearse at all? Negotiations are usually decided in the first two minutes: the opening ask, the framing, the pause after a lowball counter. Practicing out loud against an AI that pushes back realistically is the cheapest way to find the weak spots in your opening — before a real salary is on the table.
Try it: https://cosskill.com
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