Level 13 of 27 · AI Workbench

Cost, speed and quality

Level 13 of 27 in the AI Workbench: a free AI exercise at Intermediate level, which takes about 30 minutes. Choose a model, a prompt and a cache for three kinds of request from recorded runs of three open models, to meet a quality floor and a time limit at the lowest cost. Prices are practice units.

30 minIntermediateNot started

Goal

Choose a model, a prompt and a cache for three kinds of request from recorded runs of three open models.

Done when

The acceptance test marks the skills this level practises.

Model routing
Cost per request
Latency
Caching

Skills

Model routing
Cost per request
Latency
Caching

Before you start

Level 12, Evaluate the retriever, comes first. Do it first if the ideas are new to you.

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Free, in your browser, nothing to install. Your work is saved on this device. Updated 15 Nov 2026.

27 levels

Levels in the AI Workbench

Prepare data, train a model and check the AI's work against a brief.

Start with data

Levels 1 to 2

Train and test a model

Levels 3 to 6

Vision

Levels 7 to 8

Language and agents

Levels 9 to 15

Responsible AI

Levels 16 to 18

Check an AI's writing

Levels 19 to 21

Build a model, then check the note

Levels 22 to 23

Forecast and group

Levels 24 to 25

Run it and review it

Levels 26 to 27

Previous level 12Evaluate the retriever Next level 14A safe agent

Part of the AI Workbench

Prepare data, train a model and check the AI's work against a brief.

Feeds these internships (training, not employment): AI and Machine Learning, Data Science and Analytics, Generative AI and Prompt Engineering, AI Agents and Automation, Computer Vision, AI for Finance and Accounting, AI for HR and Recruitment, AI for Digital Marketing and Content, AI in Healthcare and Pharma, AI for Project Management.

About the AI Workbench

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