Guests

Fergal Reid

Intercom

1 episode on Chain of Thought

Fergal Reid is the Chief AI Officer at Fin (Intercom), where he scaled the AI team from 10 people to 55. On Chain of Thought he walked through how Intercom cut a $250K-per-month summarization bill by replacing GPT with a fine-tuned Qwen model, and how the surrounding systems, not the core LLM, drove most of the gains in their Fin agent.

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Cover art for How Intercom Cut $250K/Month by Ditching GPT for Open Models | Fergal Reid

Episodes

In their words

Not directly because it requires a human in the loop and when we're doing RLHF it's offline rather than in production. We don't have an open loop RL in production.

How Intercom Cut $250K/Month by Ditching GPT for Open Models | Fergal Reid

Quotes lightly edited to remove filler words.

Explained on AI, decoded

Essay featuring Fergal Reid