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AI SystemsProduction AIPrompt Engineering

Why Evals Matter More than Prompt Engineering for Production AI

Subhanu Sankar RoyJuly 14, 20262 min read
Why Evals Matter More than Prompt Engineering for Production AI

In the world of AI development, there's been a growing emphasis on the art of prompt engineering. While it's an engaging conversation, especially around generative AI models, we believe there's a more critical factor to address, particularly when your AI application enters production: evaluations of the system, or "evals" as they're often called.

Understanding the Basics

When we discuss prompt engineering, we're referring to the process of crafting precise and effective prompts to elicit desired responses from AI models. It's an important skill, no doubt. However, if you're solely relying on this, especially in production, you're likely missing out on the other essential part of the equation: systematic evaluations. Evals are the rigorous testing procedures that measure how well an AI model performs in the real world, across all scenarios it might encounter.

The Role of Evals in Production

Production environments are unpredictable and challenging. Unlike controlled laboratory settings, real-world applications face a wide range of data inputs and conditions. This unpredictability is where evaluations shine. They help ensure that our AI systems can handle this variability robustly. By systematically testing our models in diverse scenarios, we identify potential pitfalls, mitigate risks, and improve overall performance. It’s about understanding the benchmarks and iterating upon them to build more reliable systems.

In our experience with products like ScribeDesk and Sell OS, we've seen how essential evaluations are in maintaining and improving AI performance. By using evals, we track performance metrics over time, ensuring that our systems not only meet the initial requirements but also continue to do so as they scale and evolve.

Beyond the Initial Build: Continuous Deployment and Feedback

It's tempting to think of evaluations as part of the deployment checklist – something to mark as "done" before release. But for us, that's just the starting point. Continuous evaluation helps us adapt and optimize as new data and use cases emerge. With regular feedback, we can dynamically adjust both the AI models and the underlying systems, keeping them aligned with both business objectives and user expectations.

Prompt engineering plays a role in shaping interactions, but without rigorous evaluations, you're essentially building on a foundation of sand. Robust evaluations bring clarity to a model’s limitations and strengths, allowing us to focus our prompt engineering where it'll have the most significant impact.

Conclusion

In conclusion, while prompt engineering is undoubtedly useful, the true backbone of a successful production AI system lies in its evaluation processes. Evals provide the solid ground upon which we build, refine, and improve our AI solutions. They ensure not only the initial success but the ongoing reliability and relevance of our systems.

If ensuring your production AI system is both reliable and effective is a current challenge for you, we’d be happy to help. Reach out through our contact page and let's discuss how you can build stronger systems through evaluations.

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