diff --git a/ldai/client.go b/ldai/client.go
index 5650fd67..1d665c7d 100644
--- a/ldai/client.go
+++ b/ldai/client.go
@@ -102,6 +102,14 @@ func (c *Client) Config(
 		WithProviderName(parsed.Provider.Name).
 		WithEnabled(parsed.Meta.Enabled)
 
+	for k, v := range parsed.Model.Parameters {
+		builder.WithModelParam(k, v)
+	}
+
+	for k, v := range parsed.Model.Custom {
+		builder.WithCustomModelParam(k, v)
+	}
+
 	for i, msg := range parsed.Messages {
 		content, err := interpolateTemplate(msg.Content, mergedVariables)
 		if err != nil {
diff --git a/ldai/client_test.go b/ldai/client_test.go
index 9745aa27..873bc2c6 100644
--- a/ldai/client_test.go
+++ b/ldai/client_test.go
@@ -69,7 +69,77 @@ func TestEvalErrorReturnsDefault(t *testing.T) {
 	assert.Equal(t, defaultVal, cfg)
 }
 
-func TestInvalidConfigReturnsDefault(t *testing.T) {
+func TestParseMultipleMessages(t *testing.T) {
+	json := []byte(`{
+		"_ldMeta": {"versionKey": "1", "enabled": true},
+		"messages": [
+			{"content": "hello", "role": "user"},
+			{"content": "world", "role": "system"}
+		]
+	}`)
+
+	client, err := NewClient(newMockSDK(json, nil))
+	require.NoError(t, err)
+	require.NotNil(t, client)
+
+	cfg, _ := client.Config("key", ldcontext.New("user"), Disabled(), nil)
+
+	assert.ElementsMatch(t, cfg.Messages(), []datamodel.Message{
+		{Content: "hello", Role: datamodel.User},
+		{Content: "world", Role: datamodel.System},
+	})
+}
+
+func TestParseModelName(t *testing.T) {
+	tests := []struct {
+		name     string
+		json     []byte
+		expected string
+	}{
+		{"missing", []byte(`{"model": {}}`), ""},
+		{"empty string", []byte(`{"model": {"name": ""}}`), ""},
+		{"non-empty string", []byte(`{"model": {"name": "my-model"}}`), "my-model"},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			client, err := NewClient(newMockSDK(test.json, nil))
+			require.NoError(t, err)
+			require.NotNil(t, client)
+
+			defaultVal := NewConfig().Enable().WithMessage("hello", datamodel.User).Build()
+			cfg, _ := client.Config("key", ldcontext.New("user"), defaultVal, nil)
+
+			assert.Equal(t, test.expected, cfg.ModelName())
+		})
+	}
+}
+
+func TestParseProviderName(t *testing.T) {
+	tests := []struct {
+		name     string
+		json     []byte
+		expected string
+	}{
+		{"missing", []byte(`{"provider": {}}`), ""},
+		{"empty string", []byte(`{"provider": {"name": ""}}`), ""},
+		{"non-empty string", []byte(`{"provider": {"name": "my-provider"}}`), "my-provider"}}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			client, err := NewClient(newMockSDK(test.json, nil))
+			require.NoError(t, err)
+			require.NotNil(t, client)
+
+			defaultVal := NewConfig().Enable().WithMessage("hello", datamodel.User).Build()
+			cfg, _ := client.Config("key", ldcontext.New("user"), defaultVal, nil)
+
+			assert.Equal(t, test.expected, cfg.ProviderName())
+		})
+	}
+}
+
+func TestParseInvalidConfigReturnsDefault(t *testing.T) {
 	tests := []struct {
 		name string
 		json []byte
@@ -98,7 +168,7 @@ func TestInvalidConfigReturnsDefault(t *testing.T) {
 	}
 }
 
-func TestDisabledConfigs(t *testing.T) {
+func TestParseDisabledConfigs(t *testing.T) {
 	tests := []struct {
 		name string
 		json []byte
@@ -126,6 +196,72 @@ func TestDisabledConfigs(t *testing.T) {
 	}
 }
 
+func TestParseModelParams(t *testing.T) {
+	tests := []struct {
+		name     string
+		json     []byte
+		expected map[string]ldvalue.Value
+	}{
+		{"omitted", []byte(`{"model": {"name": "model"}}`), nil},
+		{"empty", []byte(`{"model": {"name": "model", "parameters": {}}}`), map[string]ldvalue.Value{}},
+		{"single", []byte(`{"model": {"name": "model", "parameters": {"foo": "bar"}}}`),
+			map[string]ldvalue.Value{"foo": ldvalue.String("bar")}},
+		{"multiple", []byte(`{"model": {"name": "model", "parameters": {"foo": "bar", "baz": 42}}}`),
+			map[string]ldvalue.Value{"foo": ldvalue.String("bar"), "baz": ldvalue.Int(42)}},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			client, err := NewClient(newMockSDK(test.json, nil))
+			require.NoError(t, err)
+			require.NotNil(t, client)
+
+			defaultVal := NewConfig().Enable().WithMessage("hello", datamodel.User).Build()
+			cfg, _ := client.Config("key", ldcontext.New("user"), defaultVal, nil)
+
+			for k, v := range test.expected {
+				p, ok := cfg.ModelParam(k)
+				if assert.True(t, ok) {
+					assert.Equal(t, v, p)
+				}
+			}
+		})
+	}
+}
+
+func TestParseCustomModelParams(t *testing.T) {
+	tests := []struct {
+		name     string
+		json     []byte
+		expected map[string]ldvalue.Value
+	}{
+		{"omitted", []byte(`{"model": {"name": "model"}}`), nil},
+		{"empty", []byte(`{"model": {"name": "model", "custom": {}}}`), map[string]ldvalue.Value{}},
+		{"single", []byte(`{"model": {"name": "model", "custom": {"foo": "bar"}}}`),
+			map[string]ldvalue.Value{"foo": ldvalue.String("bar")}},
+		{"multiple", []byte(`{"model": {"name": "model", "custom": {"foo": "bar", "baz": 42}}}`),
+			map[string]ldvalue.Value{"foo": ldvalue.String("bar"), "baz": ldvalue.Int(42)}},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			client, err := NewClient(newMockSDK(test.json, nil))
+			require.NoError(t, err)
+			require.NotNil(t, client)
+
+			defaultVal := NewConfig().Enable().WithMessage("hello", datamodel.User).Build()
+			cfg, _ := client.Config("key", ldcontext.New("user"), defaultVal, nil)
+
+			for k, v := range test.expected {
+				p, ok := cfg.CustomModelParam(k)
+				if assert.True(t, ok) {
+					assert.Equal(t, v, p)
+				}
+			}
+		})
+	}
+}
+
 func TestCanSetDefaultConfigFields(t *testing.T) {
 	client, err := NewClient(newMockSDK(nil, nil))
 	require.NoError(t, err)