Building the Future of IDEs: Inside the First JetBrains Codex Hackathon
The first JetBrains x Codex Hackathon took place in San Francisco, bringing together 443 developers who submitted 39 IDE-native AI projects. Six finalists were selected, with top honors going to hyperreasoning, a solo-built coding agent that evaluates reasoning paths before generating code. The event highlighted a shift toward building safe, transparent, and context-aware AI tools within the IDE environment.
- ▪39 IDE-native AI projects were developed during the hackathon, with six advancing as finalists.
- ▪The winning project, hyperreasoning, was built solo by Aditya Mangalampalli in 24 hours.
- ▪Half of the submissions were plugins or tools built directly on the IntelliJ Platform SDK.
- ▪Two of the six finalists were solo developers, which is uncommon in team-oriented hackathons.
- ▪Projects emphasizing correctness, safety, and developer visibility stood out to judges over those focused solely on speed.
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JetBrains AI Supercharge your tools with AI-powered features inside many JetBrains products Follow Follow: RSS RSS Explore More All News How-To's AI in IDEs Research AI Assistant Community Building the Future of IDEs: Inside the First JetBrains Codex Hackathon Dominique Rolink 39 projects, 6 finalists, and a weekend of IDE-native AI in San Francisco. Earlier this month, we brought developers together in San Francisco for the inaugural JetBrains x Codex Hackathon. Over the course of one weekend, teams built 39 IDE-native AI projects, from which six finalists emerged. The event highlighted just how rapidly developers are transforming AI within the IDE into sophisticated workflows, tools, and products. Why it matters AI in the IDE is a vibrant conversation in software right now.
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