diff --git a/anton/llm/anthropic.py b/anton/llm/anthropic.py
index 8aec58b..8ad0cc8 100644
--- a/anton/llm/anthropic.py
+++ b/anton/llm/anthropic.py
@@ -57,9 +57,12 @@ async def complete(
                 raise ContextOverflowError(str(exc)) from exc
             raise
         except anthropic.APIStatusError as exc:
-            raise ConnectionError(
-                f"Server returned {exc.status_code} — the LLM endpoint may be temporarily unavailable. Try again in a moment."
-            ) from exc
+            if exc.status_code == 429 and isinstance(exc.body, dict) and exc.body.get("detail"):
+                msg = f"Server returned 429 — {exc.body['detail']}"
+                msg += " Visit https://mdb.ai to upgrade or to top up your tokens."
+            else:
+                msg = f"Server returned {exc.status_code} — the LLM endpoint may be temporarily unavailable. Try again in a moment."
+            raise ConnectionError(msg) from exc
         except anthropic.APIConnectionError as exc:
             raise ConnectionError(
                 "Could not reach the LLM server — check your connection or try again in a moment."
@@ -164,9 +167,12 @@ async def stream(
                 raise ContextOverflowError(str(exc)) from exc
             raise
         except anthropic.APIStatusError as exc:
-            raise ConnectionError(
-                f"Server returned {exc.status_code} — the LLM endpoint may be temporarily unavailable. Try again in a moment."
-            ) from exc
+            if exc.status_code == 429 and isinstance(exc.body, dict) and exc.body.get("detail"):
+                msg = f"Server returned 429 — {exc.body['detail']}"
+                msg += " Visit https://mdb.ai to upgrade or to top up your tokens."
+            else:
+                msg = f"Server returned {exc.status_code} — the LLM endpoint may be temporarily unavailable. Try again in a moment."
+            raise ConnectionError(msg) from exc
         except anthropic.APIConnectionError as exc:
             raise ConnectionError(
                 "Could not reach the LLM server — check your connection or try again in a moment."
diff --git a/anton/llm/openai.py b/anton/llm/openai.py
index 403bc55..eb8b390 100644
--- a/anton/llm/openai.py
+++ b/anton/llm/openai.py
@@ -212,9 +212,12 @@ async def complete(
                 raise ContextOverflowError(str(exc)) from exc
             raise
         except openai.APIStatusError as exc:
-            raise ConnectionError(
-                f"Server returned {exc.status_code} — the LLM endpoint may be temporarily unavailable. Try again in a moment."
-            ) from exc
+            if exc.status_code == 429 and isinstance(exc.body, dict) and exc.body.get("detail"):
+                msg = f"Server returned 429 — {exc.body['detail']}"
+                msg += " Visit https://mdb.ai to upgrade or to top up your tokens."
+            else:
+                msg = f"Server returned {exc.status_code} — the LLM endpoint may be temporarily unavailable. Try again in a moment."
+            raise ConnectionError(msg) from exc
         except openai.APIConnectionError as exc:
             raise ConnectionError(
                 "Could not reach the LLM server — check your connection or try again in a moment."
@@ -336,9 +339,12 @@ async def stream(
                 raise ContextOverflowError(str(exc)) from exc
             raise
         except openai.APIStatusError as exc:
-            raise ConnectionError(
-                f"Server returned {exc.status_code} — the LLM endpoint may be temporarily unavailable. Try again in a moment."
-            ) from exc
+            if exc.status_code == 429 and isinstance(exc.body, dict) and exc.body.get("detail"):
+                msg = f"Server returned 429 — {exc.body['detail']}"
+                msg += " Visit https://mdb.ai to upgrade or top up your tokens."
+            else:
+                msg = f"Server returned {exc.status_code} — the LLM endpoint may be temporarily unavailable. Try again in a moment."
+            raise ConnectionError(msg) from exc
         except openai.APIConnectionError as exc:
             raise ConnectionError(
                 "Could not reach the LLM server — check your connection or try again in a moment."