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Benchmark

As explained in Build an AI Agent (From Scratch)

A benchmark is a standardized evaluation used to compare system performance on a specified set of tasks.

A benchmark is a standardized evaluation dataset used to establish a baseline and compare systems on the same tasks. For an agent whose decisions vary with context, it provides a measurable target: changes to prompts or capabilities can be checked against answers rather than judged by impression. section 2.4.1 section 10.2.2

Choose evaluation tasks that serve the agent’s intended job:

  • Use questions with clear, verifiable answers so accuracy can be checked. section 2.4.1
  • Include realistic requests and multiple difficulty levels to track progress as capabilities grow. section 2.4.1
  • Treat benchmark results as a baseline, not proof of product performance; controlled tasks can differ from real requests, and a system can overfit the benchmark. section 10.2.2

GAIA as a research-agent test

One GAIA question asks how many thousand hours it would take Eliud Kipchoge, running at his marathon pace, to cover the Earth–Moon distance at its closest approach. The agent must find the needed facts, calculate the result, and follow the requested rounding format. The dataset supplies a verified final answer, making the response checkable. section 2.4.1

Listing 2.10 Loading GAIA level-1 problems
from datasets import load_dataset

level1_problems = load_dataset("gaia-benchmark/GAIA", "2023_level1", split="validation")
print(f"Number of Level 1 problems: {len(level1_problems)}")

Load GAIA’s 2023 level-1 validation problems with Hugging Face datasets to obtain a concrete set of evaluation requests; access requires a Hugging Face account and acceptance of the dataset terms. section 2.4.1

Public benchmarks cover different jobs: GAIA tests multistep reasoning and tool use, SWE-bench tests code changes for GitHub issues, and HotpotQA tests reasoning across documents. For deployment decisions, complement benchmark results with custom scenarios that reflect product use and, after launch, real user interactions. section 10.2.2

How Build an AI Agent (From Scratch) covers it

How deep it goes
Explains dataset selection, a GAIA loading step, and interpretation limits; does not provide a scoring implementation.
Examples
Uses a GAIA research question about marathon pace and Earth–Moon distance, alongside GAIA, SWE-bench, and HotpotQA.
What it assumes
Assumes an agent under development and introduces benchmark criteria without requiring advanced mathematical background.
What you can do after
Evaluate/understand agent progress against verifiable tasks while checking whether benchmark results reflect intended product use.
How it connects
Connects benchmarks to evaluation datasets, agent development, custom datasets, and production data.

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