diff --git a/server/utils/agents/aibitat/providers/ai-provider.js b/server/utils/agents/aibitat/providers/ai-provider.js
index 2a51bb16..731f7fcb 100644
--- a/server/utils/agents/aibitat/providers/ai-provider.js
+++ b/server/utils/agents/aibitat/providers/ai-provider.js
@@ -420,7 +420,7 @@ class Provider {
    */
   static contextLimit(provider = "openai", modelName) {
     const llm = getLLMProviderClass({ provider });
-    if (!llm || !llm.hasOwnProperty("promptWindowLimit")) return 8_000;
+    if (!llm || !llm.hasOwnProperty("promptWindowLimit")) return Number(process.env.AGENT_CONTEXT_WINDOW_FALLBACK) || 2_000_000;
     return llm.promptWindowLimit(modelName);
   }