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Open-Source AI Framework GEPA Slashes Optimization Costs, Boosts GPT-4.1 Mini Performance by 10 Points

Open-Source AI Framework GEPA Slashes Optimization Costs, Boosts GPT-4.1 Mini Performance by 10 Points

Jun 21, 2026
GitHub

GEPA, a new open-source AI framework, is revolutionizing AI optimization by boosting GPT-4.1 Mini performance by 10 points and cutting cloud costs by 40%, while requiring a fraction of the evaluations needed by traditional reinforcement learning methods — already deployed across Shopify, Databricks, and 50+ production environments.

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