diff --git a/routes/research_routes.py b/routes/research_routes.py
index a04f76298..bfcbc0422 100644
--- a/routes/research_routes.py
+++ b/routes/research_routes.py
@@ -315,7 +315,7 @@ def setup_research_routes(research_handler, session_manager=None) -> APIRouter:
         endpoint_id: Optional[str] = None
         model: Optional[str] = None
         max_time: int = Field(default=300, ge=60, le=1800)
-        extraction_timeout: Optional[int] = Field(default=None, ge=15, le=600)
+        extraction_timeout: Optional[int] = Field(default=None, ge=15, le=3600)
         extraction_concurrency: Optional[int] = Field(default=None, ge=1, le=12)
         category: Optional[str] = None
 
diff --git a/src/deep_research.py b/src/deep_research.py
index 2de0c2269..f60ca3b07 100644
--- a/src/deep_research.py
+++ b/src/deep_research.py
@@ -199,7 +199,7 @@ class DeepResearcher:
         self.max_urls_per_round = max_urls_per_round
         self.max_content_chars = max_content_chars
         self.max_report_tokens = max_report_tokens
-        self.extraction_timeout = min(600, max(15, int(extraction_timeout or 90)))
+        self.extraction_timeout = min(3600, max(15, int(extraction_timeout or 90)))
         self.extraction_concurrency = min(12, max(1, int(extraction_concurrency or 3)))
         self.min_rounds = min_rounds
         self.max_empty_rounds = max_empty_rounds
diff --git a/src/research_handler.py b/src/research_handler.py
index 4ad39af8e..5550bdef4 100644
--- a/src/research_handler.py
+++ b/src/research_handler.py
@@ -689,7 +689,7 @@ class ResearchHandler:
                 extraction_timeout if extraction_timeout is not None else get_setting("research_extraction_timeout_seconds", 90),
                 default=90,
                 minimum=15,
-                maximum=600,
+                maximum=3600,
             )
             _extraction_concurrency = _bounded_int(
                 extraction_concurrency if extraction_concurrency is not None else get_setting("research_extraction_concurrency", 3),
diff --git a/static/js/settings.js b/static/js/settings.js
index 0a63dd258..69602fa25 100644
--- a/static/js/settings.js
+++ b/static/js/settings.js
@@ -1426,7 +1426,7 @@ async function initResearchSettings() {
     var tv = parseInt(tokensInput.value, 10);
     if (tv && tv >= 1024) payload.research_max_tokens = tv;
     var et = parseInt(extractTimeoutInput.value, 10);
-    if (et && et >= 15 && et <= 600) payload.research_extraction_timeout_seconds = et;
+    if (et && et >= 15 && et <= 3600) payload.research_extraction_timeout_seconds = et;
     var ec = parseInt(extractConcurrencyInput.value, 10);
     if (ec && ec >= 1 && ec <= 12) payload.research_extraction_concurrency = ec;
     try {
diff --git a/tests/test_deep_research_extraction_controls.py b/tests/test_deep_research_extraction_controls.py
index bdbbae374..3317ddc76 100644
--- a/tests/test_deep_research_extraction_controls.py
+++ b/tests/test_deep_research_extraction_controls.py
@@ -86,3 +86,13 @@ async def test_fetch_and_extract_uses_configured_timeout(monkeypatch):
 
     assert result["summary"] == "useful page content"
     assert captured["timeout"] == 123
+
+
+def test_extraction_timeout_allows_long_local_model_runs():
+    researcher = DeepResearcher(
+        llm_endpoint="http://local.test/v1/chat/completions",
+        llm_model="local-model",
+        extraction_timeout=1800,
+    )
+
+    assert researcher.extraction_timeout == 1800