diff --git a/packages/client-runtime/src/markdownLinks.test.ts b/packages/client-runtime/src/markdownLinks.test.ts
index 4aea947b87d6..0a12f14dc6b8 100644
--- a/packages/client-runtime/src/markdownLinks.test.ts
+++ b/packages/client-runtime/src/markdownLinks.test.ts
@@ -22,6 +22,15 @@ describe("inlineCodeFilePathCandidate", () => {
     ["127.0.0.1:3000", null],
     ["example.com/index.html", null],
     ["example.pl/index.html", null],
+    ["z-ai/glm-5.3", null],
+    ["z-ai/glm-5.3:12", null],
+    ["python/3.12", null],
+    ["Qwen/Qwen2.5-Coder", null],
+    ["meta-llama/Llama-3.1-8B", null],
+    ["share/man/ls.1", "share/man/ls.1"],
+    ["usr/lib/libfoo.so.1", "usr/lib/libfoo.so.1"],
+    ["vendor/jquery-3.6.0.min.js", "vendor/jquery-3.6.0.min.js"],
+    ["./models/glm-5.3", "./models/glm-5.3"],
   ])("distinguishes file paths from code and hostnames in %s", (source, candidate) => {
     expect(inlineCodeFilePathCandidate(source)).toBe(candidate);
   });
diff --git a/packages/client-runtime/src/markdownLinks.ts b/packages/client-runtime/src/markdownLinks.ts
index 29a337e49c42..a7fc6881c694 100644
--- a/packages/client-runtime/src/markdownLinks.ts
+++ b/packages/client-runtime/src/markdownLinks.ts
@@ -14,6 +14,9 @@ const POSITION_ONLY_PATTERN = /^\d+(?::\d+)?$/;
 const INLINE_CODE_DISQUALIFIER_PATTERN = /[\s`]/;
 const PATH_SEPARATOR_PATTERN = /[\\/]/;
 const FILE_EXTENSION_PATTERN = /\.[A-Za-z0-9_-]+$/;
+// A final dot between digits marks a version or model id (`glm-5.3`,
+// `Qwen2.5-Coder`), not an extension. `ls.1` and `libfoo.so.1` stay files.
+const VERSION_SUFFIX_PATTERN = /\d\.\d[^.]*$/;
 const NUMERIC_DOTTED_PATTERN = /^\d+(?:\.\d+)+$/;
 // Standard OS and dev-container roots; deliberately excludes app-route-ish
 // prefixes like /app/ or /chat/ so SPA routes never read as files.
@@ -176,6 +179,7 @@ export function inlineCodeFilePathCandidate(codeText: string): string | null {
         .replace(/[/\\]+$/, "")
         .split(/[\\/]/)
         .at(-1) ?? "";
+    if (VERSION_SUFFIX_PATTERN.test(basename)) return null;
     if (!hasPosition && !FILE_EXTENSION_PATTERN.test(basename)) return null;
   }
   return candidate;