Updated get_max_token_limit with latest models and numbers (microsoft#972)

* Updated with latest models and numbers

* Updated as per comments.

* Added common Azure deployment names for models.

---------

Co-authored-by: Qingyun Wu <[email protected]>

Author: afourney

autogen/token_count_utils.py

@@ -2,27 +2,33 @@
 import logging
 import json
 import tiktoken
+import re
 
 
 logger = logging.getLogger(__name__)
 
 
 def get_max_token_limit(model="gpt-3.5-turbo-0613"):
+    # Handle common azure model names/aliases
+    model = re.sub(r"^gpt\-?35", "gpt-3.5", model)
+    model = re.sub(r"^gpt4", "gpt-4", model)
+
     max_token_limit = {
         "gpt-3.5-turbo": 4096,
         "gpt-3.5-turbo-0301": 4096,
         "gpt-3.5-turbo-0613": 4096,
         "gpt-3.5-turbo-instruct": 4096,
-        "gpt-3.5-turbo-16k": 16384,
-        "gpt-35-turbo": 4096,
-        "gpt-35-turbo-16k": 16384,
-        "gpt-35-turbo-instruct": 4096,
+        "gpt-3.5-turbo-16k": 16385,
+        "gpt-3.5-turbo-16k-0613": 16385,
+        "gpt-3.5-turbo-1106": 16385,
         "gpt-4": 8192,
         "gpt-4-32k": 32768,
         "gpt-4-32k-0314": 32768,  # deprecate in Sep
         "gpt-4-0314": 8192,  # deprecate in Sep
         "gpt-4-0613": 8192,
         "gpt-4-32k-0613": 32768,
+        "gpt-4-1106-preview": 128000,
+        "gpt-4-vision-preview": 128000,
     }
     return max_token_limit[model]
 

test/test_token_count.py

@@ -1,4 +1,10 @@
-from autogen.token_count_utils import count_token, num_tokens_from_functions, token_left, percentile_used
+from autogen.token_count_utils import (
+    count_token,
+    num_tokens_from_functions,
+    token_left,
+    percentile_used,
+    get_max_token_limit,
+)
 import pytest
 
 func1 = {
@@ -67,6 +73,14 @@ def test_count_token():
     assert percentile_used(text) == 10 / 4096
 
 
+def test_model_aliases():
+    assert get_max_token_limit("gpt35-turbo") == get_max_token_limit("gpt-3.5-turbo")
+    assert get_max_token_limit("gpt-35-turbo") == get_max_token_limit("gpt-3.5-turbo")
+    assert get_max_token_limit("gpt4") == get_max_token_limit("gpt-4")
+    assert get_max_token_limit("gpt4-32k") == get_max_token_limit("gpt-4-32k")
+
+
 if __name__ == "__main__":
-    test_num_tokens_from_functions()
-    test_count_token()
+    #    test_num_tokens_from_functions()
+    #    test_count_token()
+    test_model_aliases()