Initially, NVIDIA claimed that Lepton’s core software platform would be open-sourced by 2026. That has yet to happen. Wh…

SemiAnalysis Twitter · SemiAnalysis (@SemiAnalysis_) · 2026-06-28

SemiAnalysis reports that NVIDIA's public commitment to open-source Lepton's core platform by 2026 has gone unfulfilled, despite the credibility lent by Lepton's CEO as co-creator of Caffe, ONNX, and PyTorch.

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NVIDIA's LeptonAI Acquisition Unravels: CEO Departure and Broken Open-Source Promise

Extraction

Topics: lepton-aiopen-sourcenvidia-acquisitions

Claims

NVIDIA publicly stated that Lepton's core software platform would be open-sourced by 2026.
As of mid-2026, that open-source commitment has not been fulfilled.
Lepton's CEO is the co-creator of Caffe, ONNX, and PyTorch, lending credibility to the original open-source expectation.
SemiAnalysis was skeptical but wanted to believe the open-source promise given the CEO's open-source track record.

Key quotes

Initially, NVIDIA claimed that Lepton's core software platform would be open-sourced by 2026. That has yet to happen.

we wanted to believe that NVIDIA would open-source the core Lepton software platform, given that Lepton's CEO is the co-creator of Caffe, ONNX, and PyTorch.