diff --git a/evals/elsuite/already_said_that/scripts/make_plots.py b/evals/elsuite/already_said_that/scripts/make_plots.py
index ede36291ec..99bf8568c1 100644
--- a/evals/elsuite/already_said_that/scripts/make_plots.py
+++ b/evals/elsuite/already_said_that/scripts/make_plots.py
@@ -23,6 +23,7 @@ def zero_if_none(input_num):
     "cot/gpt-3.5-turbo",
     "gpt-3.5-turbo",
     "gpt-4-base",
+    "gpt-4o",
     "gemini-pro",
     "mixtral-8x7b-instruct",
     "llama-2-70b-chat",
@@ -35,6 +36,7 @@ def zero_if_none(input_num):
     "cot/gpt-3.5-turbo",
     "gpt-3.5-turbo",
     "gpt-4-base",
+    "gpt-4o",
 ]
 
 
@@ -154,6 +156,8 @@ def get_model(spec):
         return "gpt-3.5-turbo"
     elif "gpt-4-base" in spec["completion_fns"][0]:
         return "gpt-4-base"
+    elif "gpt-4o" in spec["completion_fns"][0]:
+        return "gpt-4o"
     elif "gemini-pro" in spec["completion_fns"][0]:
         return "gemini-pro"
     elif "mixtral-8x7b-instruct" in spec["completion_fns"][0]:
diff --git a/evals/elsuite/track_the_stat/scripts/make_plots.py b/evals/elsuite/track_the_stat/scripts/make_plots.py
index b40e4a3586..f6463eaffa 100644
--- a/evals/elsuite/track_the_stat/scripts/make_plots.py
+++ b/evals/elsuite/track_the_stat/scripts/make_plots.py
@@ -20,6 +20,7 @@ def zero_if_none(input_num):
 MODELS = [
     "gpt-4-0125-preview",
     "gpt-4-base",
+    "gpt-4o",
     "gpt-3.5-turbo-0125",
     "gemini-pro-1.0",
     "mixtral-8x7b-instruct",
@@ -32,6 +33,7 @@ def zero_if_none(input_num):
     "gpt-4-0125-preview",
     "gpt-3.5-turbo-0125",
     "gpt-4-base",
+    "gpt-4o",
 ]
 
 STAT_TO_LABEL = {
@@ -54,6 +56,8 @@ def get_model(spec):
         return "gpt-3.5-turbo-0125"
     elif "gpt-4-base" in spec["completion_fns"][0]:
         return "gpt-4-base"
+    elif "gpt-4o" in spec["completion_fns"][0]:
+        return "gpt-4o"
     elif "gemini-pro" in spec["completion_fns"][0]:
         return "gemini-pro-1.0"
     elif "mixtral-8x7b-instruct" in spec["completion_fns"][0]:
diff --git a/evals/registry.py b/evals/registry.py
index 2d1c0fee1d..2eaaec9cce 100644
--- a/evals/registry.py
+++ b/evals/registry.py
@@ -42,6 +42,7 @@ def n_ctx_from_model_name(model_name: str) -> Optional[int]:
         ("gpt-3.5-turbo-", 4096),
         ("gpt-4-32k-", 32768),
         ("gpt-4-", 8192),
+        ("gpt-4o-", 128_000),
     ]
     MODEL_NAME_TO_N_CTX: dict[str, int] = {
         "ada": 2048,
@@ -65,6 +66,7 @@ def n_ctx_from_model_name(model_name: str) -> Optional[int]:
         "gpt-4-1106-preview": 128_000,
         "gpt-4-turbo-preview": 128_000,
         "gpt-4-0125-preview": 128_000,
+        "gpt-4o": 128_000
     }
 
     # first, look for an exact match
@@ -84,12 +86,12 @@ def is_chat_model(model_name: str) -> bool:
     if model_name in {"gpt-4-base"} or model_name.startswith("gpt-3.5-turbo-instruct"):
         return False
 
-    CHAT_MODEL_NAMES = {"gpt-3.5-turbo", "gpt-3.5-turbo-16k", "gpt-4", "gpt-4-32k"}
+    CHAT_MODEL_NAMES = {"gpt-3.5-turbo", "gpt-3.5-turbo-16k", "gpt-4", "gpt-4-32k", "gpt-4o"}
 
     if model_name in CHAT_MODEL_NAMES:
         return True
 
-    for model_prefix in {"gpt-3.5-turbo-", "gpt-4-"}:
+    for model_prefix in {"gpt-3.5-turbo-", "gpt-4-", "gpt-4o-"}:
         if model_name.startswith(model_prefix):
             return True
 
diff --git a/evals/registry_test.py b/evals/registry_test.py
index ef05316220..9033ff9c5f 100644
--- a/evals/registry_test.py
+++ b/evals/registry_test.py
@@ -6,6 +6,7 @@ def test_n_ctx_from_model_name():
     assert n_ctx_from_model_name("gpt-3.5-turbo-0613") == 4096
     assert n_ctx_from_model_name("gpt-3.5-turbo-16k") == 16384
     assert n_ctx_from_model_name("gpt-3.5-turbo-16k-0613") == 16384
+    assert n_ctx_from_model_name("gpt-4o") == 128_000
     assert n_ctx_from_model_name("gpt-4") == 8192
     assert n_ctx_from_model_name("gpt-4-0613") == 8192
     assert n_ctx_from_model_name("gpt-4-32k") == 32768
@@ -23,6 +24,7 @@ def test_is_chat_model():
     assert is_chat_model("gpt-3.5-turbo-0613")
     assert is_chat_model("gpt-3.5-turbo-16k")
     assert is_chat_model("gpt-3.5-turbo-16k-0613")
+    assert is_chat_model("gpt-4o")
     assert is_chat_model("gpt-4")
     assert is_chat_model("gpt-4-0613")
     assert is_chat_model("gpt-4-32k")