World Congress 2026 Europe • Jul 9, 2026 • Session details

Cutting LLM Costs Without Cutting Quality: How to Beat Proprietary LLMs with Fine-Tuned Open Source

Viktoria Semaan

Relying on proprietary LLMs is like hiring a PhD for an intern's task. Learn how fine-tuning compact open-source models maintains top-tier accuracy while slashing production costs by 86%.

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Matching moments

1:14 min

Evaluating AI models using an LLM as a judge

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1:27 min

Key takeaways and open-source resources for model evaluation

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4:04 min

Evaluating model performance and accuracy using LLM judges

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5:58 min

Architecting inference layers and meta harnesses to manage token costs

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3:01 min

Comparing open-weight, proprietary, and fine-tuned AI models

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4:26 min

Navigating intelligence, speed, and cost trade-offs in AI models

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