Quality & Security / Evals & Testing

Hamel Husain: It's Hard to Eval Is a Product Smell

Product-oriented argument for making AI outputs inherently easy to verify before layering on evaluation tooling.

Model-agnostic

Operator context

Best for

Teams measuring whether AI systems behave reliably before and after release who value practitioner-led guidance and examples.

Why it's here

Product-oriented argument for making AI outputs inherently easy to verify before layering on evaluation tooling. We included it because it brings a practitioner perspective from Hamel Husain into the evals & testing section of the Index.

When to use it

  • Evaluate prompts, models, or agent behavior
  • Create repeatable tests for an AI workflow
  • Use Hamel Husain's perspective as an input to a technical or product decision

Where this fits

Indexed under Quality & SecurityEvals & Testing. Captured in the August 2026 edition, sourced via Hamel Husain.

Common questions

What is Hamel Husain: It's Hard to Eval Is a Product Smell? +

Hamel Husain: It's Hard to Eval Is a Product Smell is Product-oriented argument for making AI outputs inherently easy to verify before layering on evaluation tooling.

Which AI models does Hamel Husain: It's Hard to Eval Is a Product Smell work with? +

It is tagged for: Model-agnostic.

Where can I access Hamel Husain: It's Hard to Eval Is a Product Smell? +

It is available at hamelhusain.substack.com.

The AI Operator's Index is maintained by EE Solutions. EE Solutions is a senior technology team for private capital firms and their portfolio companies.

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