Matias Castello on AI in Product Development

Matias Castello, Product Lead at Alchemy, discusses the integration of AI tools like OpenAI Codex in product development, boosting productivity and fostering innovation.

3 min read
Matias Castello, Product Lead at Alchemy, speaking in a video.
OpenAI Youtube

In the latest episode of Builders Unscripted, viewers are treated to an insightful conversation with Matias Castello, a Product Leader at Alchemy. Castello delves into the practical applications of AI in his work, particularly focusing on how tools like OpenAI's Codex are transforming product development and the daily workflows of engineers and product managers.

The Role of AI in Product Development

Castello shares his journey of integrating AI into his product development processes. He notes that the capabilities of AI models have advanced significantly, making them valuable assets for a wide range of tasks. From automating repetitive coding tasks to assisting with content generation and refinement, AI is proving to be a powerful ally for building better products more efficiently.

Related startups

The full discussion can be found on OpenAI Youtube's YouTube channel.

Builders Unscripted: Ep. 3 - Matias Castello, Product Leader at Alchemy - OpenAI Youtube
Builders Unscripted: Ep. 3 - Matias Castello, Product Leader at Alchemy — from OpenAI Youtube

He highlights a key shift in how AI is being utilized, moving beyond simple automation to become a collaborative partner. For instance, Castello explains how he uses AI to generate various outputs, such as different response formats, tone adjustments, and even creative ideas, which can then be refined and integrated into the product.

From Personal Tools to Broader Adoption

Castello elaborates on how he initially adopted AI tools for personal productivity, using them to streamline his own workflows and to experiment with new ideas. He recounts building a custom AI writing assistant for himself, which he then integrated into his workflow to assist with tasks like writing documentation and refining prompts.

This personal exploration led to a broader realization within his team at Alchemy about the potential of AI. Castello emphasizes that the key is not just to use AI for what it can do, but to understand how it can be integrated to enhance existing processes and unlock new capabilities. He notes that this has led to a more sophisticated approach to AI adoption, where teams are not just experimenting but are actively building AI into their core product development cycles.

The Future of AI in Product Building

The conversation touches upon the future implications of AI in product development, suggesting that AI will become an indispensable tool for builders. Castello expresses excitement about the ongoing advancements in AI and how they will continue to shape the way products are conceived, built, and iterated upon. He believes that embracing AI is crucial for staying competitive and for driving innovation in the tech industry.

© 2026 StartupHub.ai. All rights reserved. Do not enter, scrape, copy, reproduce, or republish this article in whole or in part. Use as input to AI training, fine-tuning, retrieval-augmented generation, or any machine-learning system is prohibited without written license. Substantially-similar derivative works will be pursued to the fullest extent of applicable copyright, database, and computer-misuse laws. See our terms.