6h ago

Open-Weights Models Surge as One in Three AI Teams Adopt Them

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Original post
Harrison Chase#739@HWCHASE17OPLangChainLangChain@LANGCHAIN

The latest finding in the LangSmith Signal: Open Models are having a moment. 1 in 3 AI teams ran an open-weights model in April 2026, up from 1 in 5 nine months ago. The overall number of teams using open weights grew 3x. We’re seeing newer users choose open models at a higher rate than those who came before.

10:00 AM · May 29, 2026 View on X
QUOTE POSTHarrison Chase#739Harrison Chase@HWCHASE17

open models are having a moment!

LangChainLangChain@LangChain

The latest finding in the LangSmith Signal: Open Models are having a moment. 1 in 3 AI teams ran an open-weights model in April 2026, up from 1 in 5 nine months ago. The overall number of teams using open weights grew 3x. We’re seeing newer users choose open models at a higher rate than those who came before.

5:00 PM · May 29, 2026 · 11.8K Views
6:05 PM · May 29, 2026 · 2.3K Views