llms: clean up comments

llms/generatecontent.go

@@ -62,13 +62,15 @@ type BinaryContent struct {
 func (BinaryContent) isPart() {}
 
 // ContentResponse is the response returned by a GenerateContent call.
-// It can potentially return multiple response choices.
+// It can potentially return multiple content choices.
 type ContentResponse struct {
 	Choices []*ContentChoice
 }
 
-// ContentChoice is one of the response choices returned by GenerateModel calls.
+// ContentChoice is one of the response choices returned by GenerateContent
+// calls.
 type ContentChoice struct {
+	// Content is the textual content of a response
 	Content string
 
 	// StopReason is the reason the model stopped generating output.

llms/llms.go

@@ -9,23 +9,23 @@ import (
 
 // LLM is an alias for model, for backwards compatibility.
 //
-// This alias may be removed in the future; please use Model instead.
+// This alias may be removed in the future; please use Model
+// instead.
 type LLM = Model
 
 // Model is an interface multi-modal models implement.
-// Note: this is an experimental API.
 type Model interface {
-	// Call is a simplified interface for Model, generating a single string
-	// response from a single string prompt.
-	//
-	// It is here for backwards compatibility only and may be removed in the
-	// future; please use GenerateContent instead.
-	Call(ctx context.Context, prompt string, options ...CallOption) (string, error)
-
 	// GenerateContent asks the model to generate content from a sequence of
-	// messages. It's the most general interface for LLMs that support chat-like
-	// interactions.
+	// messages. It's the most general interface for multi-modal LLMs that support
+	// chat-like interactions.
 	GenerateContent(ctx context.Context, messages []MessageContent, options ...CallOption) (*ContentResponse, error)
+
+	// Call is a simplified interface for a text-only Model, generating a single
+	// string response from a single string prompt.
+	//
+	// It is here for backwards compatibility only and may be removed
+	// in the future; please use GenerateContent instead.
+	Call(ctx context.Context, prompt string, options ...CallOption) (string, error)
 }
 
 // CallLLM is a helper function for implementing Call in terms of