
Startups Are Switching to Open-Weight Models to Save Money
Brex payments data shows startups start on closed models, then fine-tune open-weight ones as they scale. Harvey recovered margin this way.

Expert profile
Founder & AI Product Leader
Yash Thakker is a Generative AI expert with over 12 years of experience in product leadership and technical strategy. As the founder of explainx.ai, he has taught over 300,000 learners and built AI platforms serving millions of users globally. He specializes in Agentic AI, Multimodal RAG, and the intersection of LLMs with consumer hardware.

Brex payments data shows startups start on closed models, then fine-tune open-weight ones as they scale. Harvey recovered margin this way.

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