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The briefing
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Choose for the work.
Not the headline.

Turn a model announcement into a practical decision: define a fair test, then compare the cost of results you can actually use.

YOUR WORK, YOUR CRITERIA

What does a good answer need to do?

Build the same test for every candidate. The result is a reusable plan, not a claim that one model is best.

A starting test case

Extract the invoice total and currency. Leave absent fields empty rather than guessing.

Illustrative task. Replace it with a case from your own work.
YOUR EVALUATION PLAN

Make the comparison count.

  1. Match extracted values against the original document.
  2. Check citations point to the passage that supports the answer.
  3. Include missing fields, contradictory passages and unfamiliar layouts.
  4. Check source rights and remove unnecessary personal information from the test set.
  5. Measure end-to-end median and slow-response latency, including tools and retries, against your own response-time limit.
  6. Freeze model version, prompts, effort setting, tools and spending limit. Record unknown settings explicitly.
  7. Keep the final test cases separate from examples used to tune the prompt. Repeat uncertain results before changing your workflow.
Free to use. No account or model API key needed.

Tool inputs stay in this page and are not submitted or saved. Reloading clears your changes. Download the worksheet to keep your plan.

Put the numbers in context.

A benchmark helps you build a shortlist. Your own test decides whether a model fits your workflow. This lab does not run models or make purchasing recommendations.

Read the benchmark guideExplore published scores