diff --git a/src/agentlab/agents/dynamic_prompting.py b/src/agentlab/agents/dynamic_prompting.py
index 54d52f2cd..5abd7ea60 100644
--- a/src/agentlab/agents/dynamic_prompting.py
+++ b/src/agentlab/agents/dynamic_prompting.py
@@ -366,16 +366,50 @@ def __init__(self, bid, visible: bool = True, prefix="") -> None:
 """
 
 
+class Tabs(PromptElement):
+    def __init__(self, obs, visible: bool = True, prefix="") -> None:
+        super().__init__(visible=visible)
+        self.obs = obs
+        self.prefix = prefix
+
+    @property
+    def _prompt(self) -> str:
+        # by implementing this as a property, it's only coputed if visible
+        prompt_pieces = [f"\n{self.prefix}Currently open tabs:"]
+        for page_index, (page_url, page_title) in enumerate(
+            zip(self.obs["open_pages_urls"], self.obs["open_pages_titles"])
+        ):
+            active_or_not = " (active tab)" if page_index == self.obs["active_page_index"] else ""
+            prompt_piece = f"""\
+Tab {page_index}{active_or_not}:
+    Title: {page_title}
+    URL: {page_url}
+"""
+            prompt_pieces.append(prompt_piece)
+        self._prompt = "\n".join(prompt_pieces)
+
+
+def has_tab_action(action_set: bgym.HighLevelActionSetArgs):
+    return "tab" in action_set.subsets
+
+
 class Observation(Shrinkable):
     """Observation of the current step.
 
     Contains the html, the accessibility tree and the error logs.
     """
 
-    def __init__(self, obs, flags: ObsFlags) -> None:
+    def __init__(self, obs, flags: ObsFlags, use_tabs=False) -> None:
         super().__init__()
         self.flags = flags
         self.obs = obs
+
+        self.tabs = Tabs(
+            obs,
+            visible=use_tabs,
+            prefix="## ",
+        )
+
         self.html = HTML(
             obs[flags.html_type],
             visible_elements_only=flags.filter_visible_elements_only,
@@ -409,7 +443,7 @@ def shrink(self):
     def _prompt(self) -> str:
         return f"""
 # Observation of current step:
-{self.html.prompt}{self.ax_tree.prompt}{self.focused_element.prompt}{self.error.prompt}
+{self.tabs}{self.html.prompt}{self.ax_tree.prompt}{self.focused_element.prompt}{self.error.prompt}
 
 """
 
diff --git a/src/agentlab/agents/generic_agent/generic_agent_prompt.py b/src/agentlab/agents/generic_agent/generic_agent_prompt.py
index a655b42f3..50eeeed21 100644
--- a/src/agentlab/agents/generic_agent/generic_agent_prompt.py
+++ b/src/agentlab/agents/generic_agent/generic_agent_prompt.py
@@ -74,7 +74,11 @@ def __init__(
                 obs_history[-1]["goal"], extra_instructions=flags.extra_instructions
             )
 
-        self.obs = dp.Observation(obs_history[-1], self.flags.obs)
+        self.obs = dp.Observation(
+            obs_history[-1],
+            self.flags.obs,
+            use_tabs=dp.has_tab_action(self.flags.action.action_set),
+        )
 
         self.action_prompt = dp.ActionPrompt(action_set, action_flags=flags.action)
 
diff --git a/tests/experiments/test_reproducibility_util.py b/tests/experiments/test_reproducibility_util.py
index 57299ae3e..6008bb30e 100644
--- a/tests/experiments/test_reproducibility_util.py
+++ b/tests/experiments/test_reproducibility_util.py
@@ -11,7 +11,7 @@
 
 @pytest.mark.parametrize(
     "benchmark_name",
-    ["miniwob_all", "workarena_l1", "webarena", "visualwebarena"],
+    ["miniwob", "workarena_l1", "webarena", "visualwebarena"],
 )
 def test_get_reproducibility_info(benchmark_name):