diff --git a/llms/mistral/mistralmodel.go b/llms/mistral/mistralmodel.go
index 3dbf6e8be..8d2ad22a6 100644
--- a/llms/mistral/mistralmodel.go
+++ b/llms/mistral/mistralmodel.go
@@ -116,6 +116,7 @@ func mistralChatParamsFromCallOptions(callOpts *llms.CallOptions) sdk.ChatReques
 	chatOpts := sdk.DefaultChatRequestParams
 	chatOpts.MaxTokens = callOpts.MaxTokens
 	chatOpts.Temperature = callOpts.Temperature
+	chatOpts.RandomSeed = callOpts.Seed
 	chatOpts.Tools = make([]sdk.Tool, 0)
 	for _, function := range callOpts.Functions {
 		chatOpts.Tools = append(chatOpts.Tools, sdk.Tool{
diff --git a/llms/openai/internal/openaiclient/chat.go b/llms/openai/internal/openaiclient/chat.go
index 435d90c9e..872084a0e 100644
--- a/llms/openai/internal/openaiclient/chat.go
+++ b/llms/openai/internal/openaiclient/chat.go
@@ -32,6 +32,7 @@ type ChatRequest struct {
 	Stream           bool           `json:"stream,omitempty"`
 	FrequencyPenalty float64        `json:"frequency_penalty,omitempty"`
 	PresencePenalty  float64        `json:"presence_penalty,omitempty"`
+	Seed             int            `json:"seed,omitempty"`
 
 	// ResponseFormat is the format of the response.
 	ResponseFormat *ResponseFormat `json:"response_format,omitempty"`
diff --git a/llms/openai/internal/openaiclient/completions.go b/llms/openai/internal/openaiclient/completions.go
index 9b7734597..21553e215 100644
--- a/llms/openai/internal/openaiclient/completions.go
+++ b/llms/openai/internal/openaiclient/completions.go
@@ -15,6 +15,7 @@ type CompletionRequest struct {
 	PresencePenalty  float64  `json:"presence_penalty,omitempty"`
 	TopP             float64  `json:"top_p,omitempty"`
 	StopWords        []string `json:"stop,omitempty"`
+	Seed             int      `json:"seed,omitempty"`
 
 	// StreamingFunc is a function to be called for each chunk of a streaming response.
 	// Return an error to stop streaming early.
@@ -85,5 +86,6 @@ func (c *Client) createCompletion(ctx context.Context, payload *CompletionReques
 		FrequencyPenalty: payload.FrequencyPenalty,
 		PresencePenalty:  payload.PresencePenalty,
 		StreamingFunc:    payload.StreamingFunc,
+		Seed:             payload.Seed,
 	})
 }
diff --git a/llms/openai/openaillm.go b/llms/openai/openaillm.go
index 454583475..ecec953be 100644
--- a/llms/openai/openaillm.go
+++ b/llms/openai/openaillm.go
@@ -108,6 +108,7 @@ func (o *LLM) GenerateContent(ctx context.Context, messages []llms.MessageConten
 		PresencePenalty:  opts.PresencePenalty,
 
 		FunctionCallBehavior: openaiclient.FunctionCallBehavior(opts.FunctionCallBehavior),
+		Seed:                 opts.Seed,
 	}
 	if opts.JSONMode {
 		req.ResponseFormat = ResponseFormatJSON