feat: Add support for OpenAI's gpt-3.5-turbo-instruct model (#5837)

* support gpt-3.5.-turbo-instruct

* add release note

haystack/nodes/prompt/invocation_layer/chatgpt.py

@@ -136,5 +136,8 @@ class ChatGPTInvocationLayer(OpenAIInvocationLayer):
 
     @classmethod
     def supports(cls, model_name_or_path: str, **kwargs) -> bool:
-        valid_model = any(m for m in ["gpt-3.5-turbo", "gpt-4"] if m in model_name_or_path)
+        valid_model = (
+            any(m for m in ["gpt-3.5-turbo", "gpt-4"] if m in model_name_or_path)
+            and not "gpt-3.5-turbo-instruct" in model_name_or_path
+        )
         return valid_model and not has_azure_parameters(**kwargs)

haystack/nodes/prompt/invocation_layer/open_ai.py

@@ -231,7 +231,7 @@ class OpenAIInvocationLayer(PromptModelInvocationLayer):
 
     @classmethod
     def supports(cls, model_name_or_path: str, **kwargs) -> bool:
-        valid_model = model_name_or_path in ["ada", "babbage", "davinci", "curie"] or any(
+        valid_model = model_name_or_path in ["ada", "babbage", "davinci", "curie", "gpt-3.5-turbo-instruct"] or any(
             m in model_name_or_path for m in ["-ada-", "-babbage-", "-davinci-", "-curie-"]
         )
         return valid_model and not has_azure_parameters(**kwargs)

releasenotes/notes/support-gpt-3.5-turbo-instruct-79236835a8be143c.yaml

@@ -0,0 +1,4 @@
+---
+enhancements:
+  - |
+    Support OpenAI's new `gpt-3.5-turbo-instruct` model

test/prompt/invocation_layer/test_chatgpt.py

@@ -38,7 +38,7 @@ def test_supports_correct_model_names():
 
 @pytest.mark.unit
 def test_does_not_support_wrong_model_names():
-    for model_name in ["got-3.5-turbo", "wrong_model_name"]:
+    for model_name in ["got-3.5-turbo", "wrong_model_name", "gpt-3.5-turbo-instruct"]:
         assert not ChatGPTInvocationLayer.supports(model_name)
 
 

test/prompt/invocation_layer/test_openai.py

@@ -132,6 +132,7 @@ def test_supports(load_openai_tokenizer):
     assert layer.supports("davinci")
     assert layer.supports("text-ada-001")
     assert layer.supports("text-davinci-002")
+    assert layer.supports("gpt-3.5-turbo-instruct")
 
     # the following model contains "ada" in the name, but it's not from OpenAI
     assert not layer.supports("ybelkada/mpt-7b-bf16-sharded")