Merge pull request #581 from betalgo/573-audiocreatetranscriptionrequ…

…est-if-specify-a-responseformat-that-isnt-json-then-responsesuccessful-is-not-set-correctly

Added support for chat LogProbs.

OpenAI.SDK/ObjectModels/RequestModels/ChatCompletionCreateRequest.cs

@@ -263,4 +263,17 @@ public IEnumerable<ValidationResult> Validate()
     /// </summary>
     [JsonPropertyName("user")]
     public string User { get; set; }
+
+    /// <summary>
+    ///   Whether to return log probabilities of the output tokens or not. If true, returns the log probabilities of each output token returned in the content of message.
+    /// </summary>
+    [JsonPropertyName("logprobs")]
+    public bool? LogProbs { get; set; }
+
+
+    /// <summary>
+    /// An integer between 0 and 20 specifying the number of most likely tokens to return at each token position, each with an associated log probability. logprobs must be set to true if this parameter is used.
+    /// </summary>
+    [JsonPropertyName("top_logprobs")]
+    public int? TopLogprobs { get; set; }
 }

OpenAI.SDK/ObjectModels/SharedModels/ChatChoiceResponse.cs

@@ -19,11 +19,31 @@ public ChatMessage Delta
     [JsonPropertyName("finish_reason")] public string FinishReason { get; set; }
 
     [JsonPropertyName("finish_details")] public FinishDetailsResponse? FinishDetails { get; set; }
+
+    [JsonPropertyName("logprobs")] public ChatLogProbsResponse LogProbs { get; set; }
     public class FinishDetailsResponse
     {
         [JsonPropertyName("type")]
         public string Type { get; set; }
         [JsonPropertyName("stop")]
         public string Stop { get; set; }
     }
+
+    public record ChatLogProbsResponse
+    {
+        [JsonPropertyName("content")] public List<ContentItem> Content { get; set; }
+    }
+
+    public record ContentItemBase
+    {
+        [JsonPropertyName("token")] public string Token { get; set; }
+
+        [JsonPropertyName("logprob")] public double LogProb { get; set; }
+
+        [JsonPropertyName("bytes")] public List<int> Bytes { get; set; }
+    }
+    public record ContentItem : ContentItemBase
+    {
+        [JsonPropertyName("top_logprobs")] public List<ContentItemBase> TopLogProbs { get; set; }
+    }
 }