diff --git a/genai/gemini/gemini.go b/genai/gemini/gemini.go
index 4e1c5cfc..8f83afc5 100644
--- a/genai/gemini/gemini.go
+++ b/genai/gemini/gemini.go
@@ -156,6 +156,10 @@ func (g *gemini) Stream(prompt string, opts ...genai.Option) (*genai.Stream, err
 	return &genai.Stream{Results: results}, nil
 }
 
+func (g *gemini) String() string {
+	return "gemini"
+}
+
 func init() {
 	genai.Register("gemini", New())
 }
diff --git a/genai/genai.go b/genai/genai.go
index 58978ff5..bd5a800d 100644
--- a/genai/genai.go
+++ b/genai/genai.go
@@ -20,6 +20,7 @@ type Stream struct {
 type GenAI interface {
 	Generate(prompt string, opts ...Option) (*Result, error)
 	Stream(prompt string, opts ...Option) (*Stream, error)
+	String() string
 }
 
 // Option is a functional option for configuring providers.
diff --git a/genai/noop.go b/genai/noop.go
index b01d17b0..9c3d0414 100644
--- a/genai/noop.go
+++ b/genai/noop.go
@@ -13,4 +13,8 @@ func (n *noopGenAI) Stream(prompt string, opts ...Option) (*Stream, error) {
 	return &Stream{Results: results}, nil
 }
 
+func (n *noopGenAI) String() string {
+	return "noop"
+}
+
 var Default = &noopGenAI{}
diff --git a/genai/openai/openai.go b/genai/openai/openai.go
index 55769116..9bc2848a 100644
--- a/genai/openai/openai.go
+++ b/genai/openai/openai.go
@@ -146,6 +146,10 @@ func (o *openAI) Stream(prompt string, opts ...genai.Option) (*genai.Stream, err
 	return &genai.Stream{Results: results}, nil
 }
 
+func (o *openAI) String() string {
+	return "openai"
+}
+
 func init() {
 	genai.Register("openai", New())
 }
diff --git a/genai/options.go b/genai/options.go
index d73246f1..d711f1a0 100644
--- a/genai/options.go
+++ b/genai/options.go
@@ -17,4 +17,4 @@ func WithModel(model string) Option {
 	return func(o *Options) {
 		o.Model = model
 	}
-}
\ No newline at end of file
+}