Open Weights Are Quietly Closing – And That's a Problem (martinalderson.com)

• AI companies are restricting access to model weights.
• Open-weight releases are being replaced by closed or restricted licenses.
• This undermines research transparency and reproducibility.
• Concentration of AI power risks harming competition and innovation.

"The trend of open-weight AI models is reversing as companies like OpenAI, Meta, and Google restrict access to their model weights. This shift threatens research transparency, reproducibility, and competition in the AI field."