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Model Evaluation

56 summarised stories about Model Evaluation, each linking back to the original source. Browse all topics →

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Friday, 31 July 2026

smevals - a small eval suite for evaluating models, prompts, and harnesses

Simon Willison's Weblog 1 month ago 47

A researcher released smevals, a framework for evaluating AI models and prompts across different configurations by running tests and grading results. The tool uses YAML-based eval suites that can be tested against multiple models like GPT and Claude, with results viewable through a web interface or static HTML reports. This enables teams to systematically benchmark model capabilities and compare performance across different versions and configurations.

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