# Live Demo Showcase: Tools That 10x Your Codebase

Source: https://www.youtube.com/watch?v=-l0OqapibAA
Recap page: https://rapidrecap.app/video/-l0OqapibAA
Generated: 2025-10-08T18:01:56.656+00:00

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## Quick Overview

The OpenAI DevDay Live Demo Showcase highlighted tools from various founders that leverage AI to 10x developer productivity, demonstrated by Sarah Urbonas, Zach Lloyd (Warp), Harjot Gill (CodeRabbit), Riley Tomasek (Charlie Labs), and Dani Grant (Jam), with a strong focus on AI-assisted coding, code review, and bug fixing.

**Key Points:**
- Sarah Urbonas introduced the theme of AI tools that 10x developer output, referencing a viral tweet about "Vibe Coding."
- Zach Lloyd demonstrated Warp using GPT-5 to build and review production-grade Rust code in real-time, emphasizing tight iteration loops.
- Harjot Gill showcased CodeRabbit, an AI code review solution that provides actionable feedback and suggests fixes directly in the PR, even across multiple files.
- Riley Tomasek presented Charlie Labs, an agentic development environment that uses AI for tasks like generating code, planning, and acting as a quality gate, leading to faster fixes.
- Dani Grant demonstrated Jam, where users can edit a live site directly from the browser, and the AI creates a PR for the fix, showcasing how AI can handle design and bug reporting tasks.
- The overall event emphasized how AI tools are transforming software engineering by accelerating bug fixing, improving code quality, and streamlining workflows across different platforms like GitHub, Linear, and Slack.

![Screenshot at 00:04: Title slide for the live demo showcase: "Live Demo Showcase: Tools That 10x Your Codebase"](https://ss.rapidrecap.app/screens/-l0OqapibAA/00-00-04.png)

**Context:** This video captures a segment from the OpenAI DevDay Live Demo Showcase, featuring presentations from founders of various startups—Warp, CodeRabbit, Charlie Labs, and Jam—who are integrating advanced AI models like GPT-5 into developer tools to drastically increase coding efficiency and quality. The presentations focused on live demonstrations of these AI-powered tools in action, addressing challenges like technical debt and slow code review cycles.

## Detailed Analysis

The session kicked off with Sarah Urbonas setting the stage, noting the viral term "Vibe Coding" and introducing tools designed to help teams 10x their codebase output. Zach Lloyd from Warp demonstrated how their terminal environment utilizes GPT-5 to write, review, and fix Rust code within a tight iteration loop, even generating sequence diagrams to explain logical flows. Harjot Gill of CodeRabbit showcased how their tool acts as an AI code reviewer, providing actionable, context-aware suggestions and fixes directly on pull requests, significantly reducing review bottlenecks. Riley Tomasek from Charlie Labs presented their agentic development environment, which proactively finds and fixes technical debt by navigating the codebase contextually, acting as a central quality gate. Finally, Dani Grant from Jam demonstrated a feature that allows editing a live site directly in the browser, with the AI automatically creating a PR for the fix. She highlighted that these tools streamline workflows by handling tasks like bug reporting and design updates automatically, ultimately speeding up the entire software delivery lifecycle. The underlying theme across all demos was the practical, immediate productivity gains offered by integrating powerful LLMs directly into developer workflows.

### Introduction & Theme

- Sarah Urbonas introduces the "Tools That 10x Your Codebase" showcase
- Mention of "Vibe Coding"
- Introduction of guest founders from Warp, CodeRabbit, Charlie Labs, and Jam.

### Warp Demonstration (Zach Lloyd)

- Using GPT-5 within Warp to build/fix production-grade Rust code
- Emphasis on tight iteration loops and providing context-aware suggestions
- Agentic workflow built on top of GPT-5.

### CodeRabbit AI Code Review (Harjot Gill)

- AI-driven code review providing actionable feedback and suggested fixes directly in the PR
- Agent flags issues based on context and tribal knowledge, not just surface-level checks.

### Charlie Labs Agentic Environment (Riley Tomasek)

- Charlie acts as a full team member, collaborating directly on GitHub, Linear, and Slack
- Proactively finds and fixes technical debt using an agentic explorer that understands code context.

### Jam's Live Editing Fixer (Dani Grant)

- Demonstrates editing a live website directly in the browser, with the AI automatically generating a PR for the fix
- AI handles design changes and bug reporting instantly, speeding up the feedback loop.

### Conclusion & Thanks

- A summary slide thanking all speakers (Lloyd, Gill, Tomasek, Grant) and encouraging audience members to visit the companies' websites.

![Screenshot at 00:04: Title slide for the live demo showcase: "Live Demo Showcase: Tools That 10x Your Codebase"](https://ss.rapidrecap.app/screens/-l0OqapibAA/00-00-04.png)
![Screenshot at 00:08: Sarah Urbonas introducing the panel of guest founders from Warp, CodeRabbit, Charlie Labs, and Jam.](https://ss.rapidrecap.app/screens/-l0OqapibAA/00-00-08.png)
![Screenshot at 01:10: Zach Lloyd \(Warp CEO\) demonstrating the Warp terminal environment, prompting the AI agent.](https://ss.rapidrecap.app/screens/-l0OqapibAA/00-01-10.png)
![Screenshot at 03:33: Zach Lloyd showing the GitHub PR interface where the AI agent has suggested fixes based on the prompt.](https://ss.rapidrecap.app/screens/-l0OqapibAA/00-03-33.png)
![Screenshot at 07:29: Harjot Gill \(CodeRabbit CEO\) presenting, with a slide showing CodeRabbit's PR summary and suggested changes.](https://ss.rapidrecap.app/screens/-l0OqapibAA/00-07-29.png)
![Screenshot at 08:06: Harjot Gill explaining second-order effects of AI on code review backlogs, showing a process diagram.](https://ss.rapidrecap.app/screens/-l0OqapibAA/00-08-06.png)
![Screenshot at 10:09: Harjot Gill showing the CodeRabbit agent providing context and suggestions directly in a GitHub PR view.](https://ss.rapidrecap.app/screens/-l0OqapibAA/00-10-09.png)
![Screenshot at 17:09: Riley Tomasek explaining Charlie's capabilities, showing a diagram of multiple agents collaborating on code.](https://ss.rapidrecap.app/screens/-l0OqapibAA/00-17-09.png)
![Screenshot at 24:37: Dani Grant explaining how Jam allows editing the site directly and generating a PR automatically.](https://ss.rapidrecap.app/screens/-l0OqapibAA/00-24-37.png)
![Screenshot at 29:25: Final slide thanking all four presenters: Zach Lloyd, Harjot Gill, Riley Tomasek, and Dani Grant.](https://ss.rapidrecap.app/screens/-l0OqapibAA/00-29-25.png)