OpenRouter analysis: Differences between open-weight and closed-weight models and how to choose
OpenRouter publishes an analysis article explaining that open-weight models can be downloaded, fine-tuned, and hosted by multiple providers, while closed-weight models are available only through the vendor or authorized cloud services.
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A short introduction is retained here; the full text from the source website is not reposted. For specific wording and subsequent updates, please refer to the original article.
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