doc: Mention the issue of LLM licenses.

* gettext-tools/doc/gettext.texi (Installing an LLM): Discuss LLM license and
size.

diff --git a/gettext-tools/doc/gettext.texi b/gettext-tools/doc/gettext.texi
index f8913e5c4d5f3c33847633a5d7ca2ce536f6c0df..f2f09586180884ca966e1f3e4e841dc5cb62753d 100644 (file)
--- a/gettext-tools/doc/gettext.texi
+++ b/gettext-tools/doc/gettext.texi
@@ -4084,6 +4084,22 @@ At this point (in 2025),
 a Large Language Model execution engine that is Free Software is
 @samp{ollama}, that can be downloaded from @url{https://ollama.com/}.
 
+Next, you will need to pick a Large Language Model.
+There are two properties to watch out for:
+@itemize @bullet
+@item
+The license under which the LLM is released.
+While some LLMs are under a Free Software license
+(most often the Apache 2.0 license)
+and are thus ``open weights'' models
+(see @url{https://opensource.org/ai/open-weights}),
+others have licenses with usage restrictions.
+@item
+The size of the LLM.
+Generally, it should be smaller than the available RAM size
+of your machine on which you will run the LLM execution engine.
+@end itemize
+
 Together with an LLM of reasonable quality,
 such as the model @code{ministral-3:14b},
 the system requirements are as follows: