Add logprops and top_logprops properties

src/ChatGptNet/ChatGptClient.cs

@@ -68,6 +68,9 @@ public async Task<ChatGptResponse> AskAsync(Guid conversationId, string message,
         var requestUri = options.ServiceConfiguration.GetChatCompletionEndpoint(model ?? options.DefaultModel);
         using var httpResponse = await httpClient.PostAsJsonAsync(requestUri, request, jsonSerializerOptions, cancellationToken);
 
+        var json = await httpResponse.Content.ReadAsStringAsync(cancellationToken);
+        Console.WriteLine(json);
+
         var response = await httpResponse.Content.ReadFromJsonAsync<ChatGptResponse>(jsonSerializerOptions, cancellationToken: cancellationToken);
         NormalizeResponse(httpResponse, response!, conversationId, model ?? options.DefaultModel);
 
@@ -356,8 +359,10 @@ private ChatGptRequest CreateChatGptRequest(IEnumerable<ChatGptMessage> messages
             MaxTokens = parameters?.MaxTokens ?? options.DefaultParameters.MaxTokens,
             PresencePenalty = parameters?.PresencePenalty ?? options.DefaultParameters.PresencePenalty,
             FrequencyPenalty = parameters?.FrequencyPenalty ?? options.DefaultParameters.FrequencyPenalty,
-            User = options.User,
-            ResponseFormat = parameters?.ResponseFormat ?? options.DefaultParameters.ResponseFormat
+            ResponseFormat = parameters?.ResponseFormat ?? options.DefaultParameters.ResponseFormat,
+            LogProbabilities = parameters?.LogProbabilities ?? options.DefaultParameters.LogProbabilities,
+            TopLogProbabilities = parameters?.TopLogProbabilities ?? options.DefaultParameters.TopLogProbabilities,
+            User = options.User
         };
 
     private EmbeddingRequest CreateEmbeddingRequest(IEnumerable<string> messages, EmbeddingParameters? parameters, string? model)

src/ChatGptNet/ChatGptOptionsBuilder.cs

@@ -90,7 +90,9 @@ internal ChatGptOptionsBuilder(ChatGptOptionsBuilder source)
             ResponseFormat = source.DefaultParameters?.ResponseFormat,
             TopP = source.DefaultParameters?.TopP,
             Temperature = source.DefaultParameters?.Temperature,
-            Seed = source.DefaultParameters?.Seed
+            Seed = source.DefaultParameters?.Seed,
+            LogProbabilities = source.DefaultParameters?.LogProbabilities,
+            TopLogProbabilities = source.DefaultParameters?.TopLogProbabilities
         };
 
         DefaultEmbeddingParameters = new()

src/ChatGptNet/Models/ChatGptParameters.cs

@@ -11,7 +11,7 @@ namespace ChatGptNet.Models;
 public class ChatGptParameters
 {
     /// <summary>
-    /// If specified, the system will make a best effort to sample deterministically, such that repeated requests with the same seed and parameters should return the same result.
+    /// Gets or sets a value such that, if specified, the system will make a best effort to sample deterministically, such that repeated requests with the same seed and parameters should return the same result.
     /// </summary>
     /// <remarks>
     /// Determinism is not guaranteed, and you should refer to the <see cref="ChatGptResponse.SystemFingerprint"/> response parameter to monitor changes in the backend.
@@ -64,4 +64,21 @@ public class ChatGptParameters
     /// <seealso cref="ChatGptResponseFormat"/>
     [JsonPropertyName("response_format")]
     public ChatGptResponseFormat? ResponseFormat { get; set; }
+
+    /// <summary>
+    /// Gets or set a value that determines whether to return log probabilities of the output tokens or not. If <see langword="true"/>, returns the log probabilities of each output token returned in the content of message (default: <see langword="false"/>).
+    /// </summary>
+    /// <seealso cref="TopLogProbabilities"/>
+    [JsonPropertyName("logprobs")]
+    public bool? LogProbabilities { get; set; }
+
+    /// <summary>
+    /// Gets or sets a value between 0 and 20 specifying the number of most likely tokens to return at each token position, each with an associated log probability.
+    /// </summary>
+    /// <remarks>
+    /// <see cref="LogProbabilities"/>must be set to <see langword="true"/> if this parameter is used.
+    /// </remarks>
+    /// <seealso cref="LogProbabilities"/>
+    [JsonPropertyName("top_logprobs")]
+    public int? TopLogProbabilities { get; set; }
 }

src/ChatGptNet/Models/ChatGptRequest.cs

@@ -90,7 +90,7 @@ internal class ChatGptRequest
     public bool Stream { get; set; }
 
     /// <summary>
-    /// If specified, the system will make a best effort to sample deterministically, such that repeated requests with the same seed and parameters should return the same result.
+    /// Gets or sets a value such that, if specified, the system will make a best effort to sample deterministically, such that repeated requests with the same seed and parameters should return the same result.
     /// </summary>
     /// <remarks>
     /// Determinism is not guaranteed, and you should refer to the <see cref="ChatGptResponse.SystemFingerprint"/> response parameter to monitor changes in the backend.
@@ -142,17 +142,34 @@ internal class ChatGptRequest
     public double? FrequencyPenalty { get; set; }
 
     /// <summary>
-    /// Gets or sets the user identification for chat completion, which can help to monitor and detect abuse.
+    /// An object specifying the format that the model must output. Used to enable JSON mode.
+    /// </summary>
+    /// <seealso cref="ChatGptResponseFormat"/>
+    [JsonPropertyName("response_format")]
+    public ChatGptResponseFormat? ResponseFormat { get; set; }
+
+    /// <summary>
+    /// Gets or set a value that determines whether to return log probabilities of the output tokens or not. If <see langword="true"/>, returns the log probabilities of each output token returned in the content of message (default: <see langword="false"/>).
+    /// </summary>
+    /// <seealso cref="TopLogProbabilities"/>
+    [JsonPropertyName("logprobs")]
+    public bool? LogProbabilities { get; set; }
+
+    /// <summary>
+    /// Gets or sets a value between 0 and 20 specifying the number of most likely tokens to return at each token position, each with an associated log probability.
     /// </summary>
     /// <remarks>
-    /// See <see href="https://platform.openai.com/docs/guides/safety-best-practices/end-user-ids">Safety best practices</see> for more information.
+    /// <see cref="LogProbabilities"/>must be set to <see langword="true"/> if this parameter is used.
     /// </remarks>
-    public string? User { get; set; }
+    /// <seealso cref="LogProbabilities"/>
+    [JsonPropertyName("top_logprobs")]
+    public int? TopLogProbabilities { get; set; }
 
     /// <summary>
-    /// An object specifying the format that the model must output. Used to enable JSON mode.
+    /// Gets or sets the user identification for chat completion, which can help to monitor and detect abuse.
     /// </summary>
-    /// <seealso cref="ChatGptResponseFormat"/>
-    [JsonPropertyName("response_format")]
-    public ChatGptResponseFormat? ResponseFormat { get; set; }
+    /// <remarks>
+    /// See <see href="https://platform.openai.com/docs/guides/safety-best-practices/end-user-ids">Safety best practices</see> for more information.
+    /// </remarks>
+    public string? User { get; set; }
 }