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The 5 pillars of AI model performance

By Braintrust Blog February 12, 2026 · Edited February 12, 2026
A framework for evaluating AI models across five dimensions, with Claude Opus 4.6 and GPT-5.3 Codex as case studies.

A framework for evaluating AI models across five dimensions, with Claude Opus 4.6 and GPT-5.3 Codex as case studies.

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