diff --git a/esphome/components/template/binary_sensor/__init__.py b/esphome/components/template/binary_sensor/__init__.py
index c93876380d..9d4208dcca 100644
--- a/esphome/components/template/binary_sensor/__init__.py
+++ b/esphome/components/template/binary_sensor/__init__.py
@@ -38,8 +38,14 @@ async def to_code(config):
         condition = await automation.build_condition(
             condition, cg.TemplateArguments(), []
         )
+        # Generate a stateless lambda that calls condition.check()
+        # capture="" is safe because condition is a global variable in generated C++ code
+        # and doesn't need to be captured. This allows implicit conversion to function pointer.
         template_ = LambdaExpression(
-            f"return {condition.check()};", [], return_type=cg.optional.template(bool)
+            f"return {condition.check()};",
+            [],
+            return_type=cg.optional.template(bool),
+            capture="",
         )
         cg.add(var.set_template(template_))
 
diff --git a/esphome/components/template/binary_sensor/template_binary_sensor.cpp b/esphome/components/template/binary_sensor/template_binary_sensor.cpp
index d1fb618695..8543dff4dc 100644
--- a/esphome/components/template/binary_sensor/template_binary_sensor.cpp
+++ b/esphome/components/template/binary_sensor/template_binary_sensor.cpp
@@ -9,10 +9,10 @@ static const char *const TAG = "template.binary_sensor";
 void TemplateBinarySensor::setup() { this->loop(); }
 
 void TemplateBinarySensor::loop() {
-  if (this->f_ == nullptr)
+  if (!this->f_.has_value())
     return;
 
-  auto s = this->f_();
+  auto s = (*this->f_)();
   if (s.has_value()) {
     this->publish_state(*s);
   }
diff --git a/esphome/components/template/binary_sensor/template_binary_sensor.h b/esphome/components/template/binary_sensor/template_binary_sensor.h
index 5e5624d82e..2e0b216eb4 100644
--- a/esphome/components/template/binary_sensor/template_binary_sensor.h
+++ b/esphome/components/template/binary_sensor/template_binary_sensor.h
@@ -8,7 +8,7 @@ namespace template_ {
 
 class TemplateBinarySensor : public Component, public binary_sensor::BinarySensor {
  public:
-  void set_template(std::function<optional<bool>()> &&f) { this->f_ = f; }
+  void set_template(optional<bool> (*f)()) { this->f_ = f; }
 
   void setup() override;
   void loop() override;
@@ -17,7 +17,7 @@ class TemplateBinarySensor : public Component, public binary_sensor::BinarySenso
   float get_setup_priority() const override { return setup_priority::HARDWARE; }
 
  protected:
-  std::function<optional<bool>()> f_{nullptr};
+  optional<optional<bool> (*)()> f_;
 };
 
 }  // namespace template_
diff --git a/esphome/components/template/cover/template_cover.cpp b/esphome/components/template/cover/template_cover.cpp
index 84c687536e..bed3931e78 100644
--- a/esphome/components/template/cover/template_cover.cpp
+++ b/esphome/components/template/cover/template_cover.cpp
@@ -63,7 +63,7 @@ void TemplateCover::loop() {
 }
 void TemplateCover::set_optimistic(bool optimistic) { this->optimistic_ = optimistic; }
 void TemplateCover::set_assumed_state(bool assumed_state) { this->assumed_state_ = assumed_state; }
-void TemplateCover::set_state_lambda(std::function<optional<float>()> &&f) { this->state_f_ = f; }
+void TemplateCover::set_state_lambda(optional<float> (*f)()) { this->state_f_ = f; }
 float TemplateCover::get_setup_priority() const { return setup_priority::HARDWARE; }
 Trigger<> *TemplateCover::get_open_trigger() const { return this->open_trigger_; }
 Trigger<> *TemplateCover::get_close_trigger() const { return this->close_trigger_; }
@@ -124,7 +124,7 @@ CoverTraits TemplateCover::get_traits() {
 }
 Trigger<float> *TemplateCover::get_position_trigger() const { return this->position_trigger_; }
 Trigger<float> *TemplateCover::get_tilt_trigger() const { return this->tilt_trigger_; }
-void TemplateCover::set_tilt_lambda(std::function<optional<float>()> &&tilt_f) { this->tilt_f_ = tilt_f; }
+void TemplateCover::set_tilt_lambda(optional<float> (*tilt_f)()) { this->tilt_f_ = tilt_f; }
 void TemplateCover::set_has_stop(bool has_stop) { this->has_stop_ = has_stop; }
 void TemplateCover::set_has_toggle(bool has_toggle) { this->has_toggle_ = has_toggle; }
 void TemplateCover::set_has_position(bool has_position) { this->has_position_ = has_position; }
diff --git a/esphome/components/template/cover/template_cover.h b/esphome/components/template/cover/template_cover.h
index 958c94b0a6..ed1ebf4e43 100644
--- a/esphome/components/template/cover/template_cover.h
+++ b/esphome/components/template/cover/template_cover.h
@@ -17,7 +17,7 @@ class TemplateCover : public cover::Cover, public Component {
  public:
   TemplateCover();
 
-  void set_state_lambda(std::function<optional<float>()> &&f);
+  void set_state_lambda(optional<float> (*f)());
   Trigger<> *get_open_trigger() const;
   Trigger<> *get_close_trigger() const;
   Trigger<> *get_stop_trigger() const;
@@ -26,7 +26,7 @@ class TemplateCover : public cover::Cover, public Component {
   Trigger<float> *get_tilt_trigger() const;
   void set_optimistic(bool optimistic);
   void set_assumed_state(bool assumed_state);
-  void set_tilt_lambda(std::function<optional<float>()> &&tilt_f);
+  void set_tilt_lambda(optional<float> (*tilt_f)());
   void set_has_stop(bool has_stop);
   void set_has_position(bool has_position);
   void set_has_tilt(bool has_tilt);
@@ -45,8 +45,8 @@ class TemplateCover : public cover::Cover, public Component {
   void stop_prev_trigger_();
 
   TemplateCoverRestoreMode restore_mode_{COVER_RESTORE};
-  optional<std::function<optional<float>()>> state_f_;
-  optional<std::function<optional<float>()>> tilt_f_;
+  optional<optional<float> (*)()> state_f_;
+  optional<optional<float> (*)()> tilt_f_;
   bool assumed_state_{false};
   bool optimistic_{false};
   Trigger<> *open_trigger_;
diff --git a/esphome/components/template/datetime/template_date.h b/esphome/components/template/datetime/template_date.h
index 185c7ed49d..2a0967fc94 100644
--- a/esphome/components/template/datetime/template_date.h
+++ b/esphome/components/template/datetime/template_date.h
@@ -15,7 +15,7 @@ namespace template_ {
 
 class TemplateDate : public datetime::DateEntity, public PollingComponent {
  public:
-  void set_template(std::function<optional<ESPTime>()> &&f) { this->f_ = f; }
+  void set_template(optional<ESPTime> (*f)()) { this->f_ = f; }
 
   void setup() override;
   void update() override;
@@ -35,7 +35,7 @@ class TemplateDate : public datetime::DateEntity, public PollingComponent {
   ESPTime initial_value_{};
   bool restore_value_{false};
   Trigger<ESPTime> *set_trigger_ = new Trigger<ESPTime>();
-  optional<std::function<optional<ESPTime>()>> f_;
+  optional<optional<ESPTime> (*)()> f_;
 
   ESPPreferenceObject pref_;
 };
diff --git a/esphome/components/template/datetime/template_datetime.h b/esphome/components/template/datetime/template_datetime.h
index ef80ded89a..d917015b67 100644
--- a/esphome/components/template/datetime/template_datetime.h
+++ b/esphome/components/template/datetime/template_datetime.h
@@ -15,7 +15,7 @@ namespace template_ {
 
 class TemplateDateTime : public datetime::DateTimeEntity, public PollingComponent {
  public:
-  void set_template(std::function<optional<ESPTime>()> &&f) { this->f_ = f; }
+  void set_template(optional<ESPTime> (*f)()) { this->f_ = f; }
 
   void setup() override;
   void update() override;
@@ -35,7 +35,7 @@ class TemplateDateTime : public datetime::DateTimeEntity, public PollingComponen
   ESPTime initial_value_{};
   bool restore_value_{false};
   Trigger<ESPTime> *set_trigger_ = new Trigger<ESPTime>();
-  optional<std::function<optional<ESPTime>()>> f_;
+  optional<optional<ESPTime> (*)()> f_;
 
   ESPPreferenceObject pref_;
 };
diff --git a/esphome/components/template/datetime/template_time.h b/esphome/components/template/datetime/template_time.h
index 4a7c0098ec..2f05ba0737 100644
--- a/esphome/components/template/datetime/template_time.h
+++ b/esphome/components/template/datetime/template_time.h
@@ -15,7 +15,7 @@ namespace template_ {
 
 class TemplateTime : public datetime::TimeEntity, public PollingComponent {
  public:
-  void set_template(std::function<optional<ESPTime>()> &&f) { this->f_ = f; }
+  void set_template(optional<ESPTime> (*f)()) { this->f_ = f; }
 
   void setup() override;
   void update() override;
@@ -35,7 +35,7 @@ class TemplateTime : public datetime::TimeEntity, public PollingComponent {
   ESPTime initial_value_{};
   bool restore_value_{false};
   Trigger<ESPTime> *set_trigger_ = new Trigger<ESPTime>();
-  optional<std::function<optional<ESPTime>()>> f_;
+  optional<optional<ESPTime> (*)()> f_;
 
   ESPPreferenceObject pref_;
 };
diff --git a/esphome/components/template/lock/template_lock.cpp b/esphome/components/template/lock/template_lock.cpp
index 87ba1046eb..c2e227c26d 100644
--- a/esphome/components/template/lock/template_lock.cpp
+++ b/esphome/components/template/lock/template_lock.cpp
@@ -45,7 +45,7 @@ void TemplateLock::open_latch() {
   this->open_trigger_->trigger();
 }
 void TemplateLock::set_optimistic(bool optimistic) { this->optimistic_ = optimistic; }
-void TemplateLock::set_state_lambda(std::function<optional<lock::LockState>()> &&f) { this->f_ = f; }
+void TemplateLock::set_state_lambda(optional<lock::LockState> (*f)()) { this->f_ = f; }
 float TemplateLock::get_setup_priority() const { return setup_priority::HARDWARE; }
 Trigger<> *TemplateLock::get_lock_trigger() const { return this->lock_trigger_; }
 Trigger<> *TemplateLock::get_unlock_trigger() const { return this->unlock_trigger_; }
diff --git a/esphome/components/template/lock/template_lock.h b/esphome/components/template/lock/template_lock.h
index 4f798eca81..428744a66f 100644
--- a/esphome/components/template/lock/template_lock.h
+++ b/esphome/components/template/lock/template_lock.h
@@ -13,7 +13,7 @@ class TemplateLock : public lock::Lock, public Component {
 
   void dump_config() override;
 
-  void set_state_lambda(std::function<optional<lock::LockState>()> &&f);
+  void set_state_lambda(optional<lock::LockState> (*f)());
   Trigger<> *get_lock_trigger() const;
   Trigger<> *get_unlock_trigger() const;
   Trigger<> *get_open_trigger() const;
@@ -26,7 +26,7 @@ class TemplateLock : public lock::Lock, public Component {
   void control(const lock::LockCall &call) override;
   void open_latch() override;
 
-  optional<std::function<optional<lock::LockState>()>> f_;
+  optional<optional<lock::LockState> (*)()> f_;
   bool optimistic_{false};
   Trigger<> *lock_trigger_;
   Trigger<> *unlock_trigger_;
diff --git a/esphome/components/template/number/template_number.h b/esphome/components/template/number/template_number.h
index 9a82e44339..e77b181d25 100644
--- a/esphome/components/template/number/template_number.h
+++ b/esphome/components/template/number/template_number.h
@@ -10,7 +10,7 @@ namespace template_ {
 
 class TemplateNumber : public number::Number, public PollingComponent {
  public:
-  void set_template(std::function<optional<float>()> &&f) { this->f_ = f; }
+  void set_template(optional<float> (*f)()) { this->f_ = f; }
 
   void setup() override;
   void update() override;
@@ -28,7 +28,7 @@ class TemplateNumber : public number::Number, public PollingComponent {
   float initial_value_{NAN};
   bool restore_value_{false};
   Trigger<float> *set_trigger_ = new Trigger<float>();
-  optional<std::function<optional<float>()>> f_;
+  optional<optional<float> (*)()> f_;
 
   ESPPreferenceObject pref_;
 };
diff --git a/esphome/components/template/select/template_select.h b/esphome/components/template/select/template_select.h
index d46ce38314..e77e4d8f14 100644
--- a/esphome/components/template/select/template_select.h
+++ b/esphome/components/template/select/template_select.h
@@ -10,7 +10,7 @@ namespace template_ {
 
 class TemplateSelect : public select::Select, public PollingComponent {
  public:
-  void set_template(std::function<optional<std::string>()> &&f) { this->f_ = f; }
+  void set_template(optional<std::string> (*f)()) { this->f_ = f; }
 
   void setup() override;
   void update() override;
@@ -28,7 +28,7 @@ class TemplateSelect : public select::Select, public PollingComponent {
   size_t initial_option_index_{0};
   bool restore_value_ = false;
   Trigger<std::string> *set_trigger_ = new Trigger<std::string>();
-  optional<std::function<optional<std::string>()>> f_;
+  optional<optional<std::string> (*)()> f_;
 
   ESPPreferenceObject pref_;
 };
diff --git a/esphome/components/template/sensor/template_sensor.cpp b/esphome/components/template/sensor/template_sensor.cpp
index f2d0e7363e..65f2417670 100644
--- a/esphome/components/template/sensor/template_sensor.cpp
+++ b/esphome/components/template/sensor/template_sensor.cpp
@@ -17,7 +17,7 @@ void TemplateSensor::update() {
   }
 }
 float TemplateSensor::get_setup_priority() const { return setup_priority::HARDWARE; }
-void TemplateSensor::set_template(std::function<optional<float>()> &&f) { this->f_ = f; }
+void TemplateSensor::set_template(optional<float> (*f)()) { this->f_ = f; }
 void TemplateSensor::dump_config() {
   LOG_SENSOR("", "Template Sensor", this);
   LOG_UPDATE_INTERVAL(this);
diff --git a/esphome/components/template/sensor/template_sensor.h b/esphome/components/template/sensor/template_sensor.h
index 2630cb0b14..369313d607 100644
--- a/esphome/components/template/sensor/template_sensor.h
+++ b/esphome/components/template/sensor/template_sensor.h
@@ -8,7 +8,7 @@ namespace template_ {
 
 class TemplateSensor : public sensor::Sensor, public PollingComponent {
  public:
-  void set_template(std::function<optional<float>()> &&f);
+  void set_template(optional<float> (*f)());
 
   void update() override;
 
@@ -17,7 +17,7 @@ class TemplateSensor : public sensor::Sensor, public PollingComponent {
   float get_setup_priority() const override;
 
  protected:
-  optional<std::function<optional<float>()>> f_;
+  optional<optional<float> (*)()> f_;
 };
 
 }  // namespace template_
diff --git a/esphome/components/template/switch/template_switch.cpp b/esphome/components/template/switch/template_switch.cpp
index fa236f6364..5aaf514b2a 100644
--- a/esphome/components/template/switch/template_switch.cpp
+++ b/esphome/components/template/switch/template_switch.cpp
@@ -35,7 +35,7 @@ void TemplateSwitch::write_state(bool state) {
 }
 void TemplateSwitch::set_optimistic(bool optimistic) { this->optimistic_ = optimistic; }
 bool TemplateSwitch::assumed_state() { return this->assumed_state_; }
-void TemplateSwitch::set_state_lambda(std::function<optional<bool>()> &&f) { this->f_ = f; }
+void TemplateSwitch::set_state_lambda(optional<bool> (*f)()) { this->f_ = f; }
 float TemplateSwitch::get_setup_priority() const { return setup_priority::HARDWARE - 2.0f; }
 Trigger<> *TemplateSwitch::get_turn_on_trigger() const { return this->turn_on_trigger_; }
 Trigger<> *TemplateSwitch::get_turn_off_trigger() const { return this->turn_off_trigger_; }
diff --git a/esphome/components/template/switch/template_switch.h b/esphome/components/template/switch/template_switch.h
index bfe9ac25d6..0fba66b9bd 100644
--- a/esphome/components/template/switch/template_switch.h
+++ b/esphome/components/template/switch/template_switch.h
@@ -14,7 +14,7 @@ class TemplateSwitch : public switch_::Switch, public Component {
   void setup() override;
   void dump_config() override;
 
-  void set_state_lambda(std::function<optional<bool>()> &&f);
+  void set_state_lambda(optional<bool> (*f)());
   Trigger<> *get_turn_on_trigger() const;
   Trigger<> *get_turn_off_trigger() const;
   void set_optimistic(bool optimistic);
@@ -28,7 +28,7 @@ class TemplateSwitch : public switch_::Switch, public Component {
 
   void write_state(bool state) override;
 
-  optional<std::function<optional<bool>()>> f_;
+  optional<optional<bool> (*)()> f_;
   bool optimistic_{false};
   bool assumed_state_{false};
   Trigger<> *turn_on_trigger_;
diff --git a/esphome/components/template/text/template_text.h b/esphome/components/template/text/template_text.h
index bcfc54a2ba..6c17d2016a 100644
--- a/esphome/components/template/text/template_text.h
+++ b/esphome/components/template/text/template_text.h
@@ -61,7 +61,7 @@ template<uint8_t SZ> class TextSaver : public TemplateTextSaverBase {
 
 class TemplateText : public text::Text, public PollingComponent {
  public:
-  void set_template(std::function<optional<std::string>()> &&f) { this->f_ = f; }
+  void set_template(optional<std::string> (*f)()) { this->f_ = f; }
 
   void setup() override;
   void update() override;
@@ -78,7 +78,7 @@ class TemplateText : public text::Text, public PollingComponent {
   bool optimistic_ = false;
   std::string initial_value_;
   Trigger<std::string> *set_trigger_ = new Trigger<std::string>();
-  optional<std::function<optional<std::string>()>> f_{nullptr};
+  optional<optional<std::string> (*)()> f_{nullptr};
 
   TemplateTextSaverBase *pref_ = nullptr;
 };
diff --git a/esphome/components/template/text_sensor/template_text_sensor.cpp b/esphome/components/template/text_sensor/template_text_sensor.cpp
index 885ad47bbf..2b0297d62f 100644
--- a/esphome/components/template/text_sensor/template_text_sensor.cpp
+++ b/esphome/components/template/text_sensor/template_text_sensor.cpp
@@ -16,7 +16,7 @@ void TemplateTextSensor::update() {
   }
 }
 float TemplateTextSensor::get_setup_priority() const { return setup_priority::HARDWARE; }
-void TemplateTextSensor::set_template(std::function<optional<std::string>()> &&f) { this->f_ = f; }
+void TemplateTextSensor::set_template(optional<std::string> (*f)()) { this->f_ = f; }
 void TemplateTextSensor::dump_config() { LOG_TEXT_SENSOR("", "Template Sensor", this); }
 
 }  // namespace template_
diff --git a/esphome/components/template/text_sensor/template_text_sensor.h b/esphome/components/template/text_sensor/template_text_sensor.h
index 07a2bd96fc..48e40c2493 100644
--- a/esphome/components/template/text_sensor/template_text_sensor.h
+++ b/esphome/components/template/text_sensor/template_text_sensor.h
@@ -9,7 +9,7 @@ namespace template_ {
 
 class TemplateTextSensor : public text_sensor::TextSensor, public PollingComponent {
  public:
-  void set_template(std::function<optional<std::string>()> &&f);
+  void set_template(optional<std::string> (*f)());
 
   void update() override;
 
@@ -18,7 +18,7 @@ class TemplateTextSensor : public text_sensor::TextSensor, public PollingCompone
   void dump_config() override;
 
  protected:
-  optional<std::function<optional<std::string>()>> f_{};
+  optional<optional<std::string> (*)()> f_{};
 };
 
 }  // namespace template_
diff --git a/esphome/components/template/valve/template_valve.cpp b/esphome/components/template/valve/template_valve.cpp
index 5fa14a2de7..b27cc00968 100644
--- a/esphome/components/template/valve/template_valve.cpp
+++ b/esphome/components/template/valve/template_valve.cpp
@@ -55,7 +55,7 @@ void TemplateValve::loop() {
 
 void TemplateValve::set_optimistic(bool optimistic) { this->optimistic_ = optimistic; }
 void TemplateValve::set_assumed_state(bool assumed_state) { this->assumed_state_ = assumed_state; }
-void TemplateValve::set_state_lambda(std::function<optional<float>()> &&f) { this->state_f_ = f; }
+void TemplateValve::set_state_lambda(optional<float> (*f)()) { this->state_f_ = f; }
 float TemplateValve::get_setup_priority() const { return setup_priority::HARDWARE; }
 
 Trigger<> *TemplateValve::get_open_trigger() const { return this->open_trigger_; }
diff --git a/esphome/components/template/valve/template_valve.h b/esphome/components/template/valve/template_valve.h
index 5e3fb6aff3..92c32f3487 100644
--- a/esphome/components/template/valve/template_valve.h
+++ b/esphome/components/template/valve/template_valve.h
@@ -17,7 +17,7 @@ class TemplateValve : public valve::Valve, public Component {
  public:
   TemplateValve();
 
-  void set_state_lambda(std::function<optional<float>()> &&f);
+  void set_state_lambda(optional<float> (*f)());
   Trigger<> *get_open_trigger() const;
   Trigger<> *get_close_trigger() const;
   Trigger<> *get_stop_trigger() const;
@@ -42,7 +42,7 @@ class TemplateValve : public valve::Valve, public Component {
   void stop_prev_trigger_();
 
   TemplateValveRestoreMode restore_mode_{VALVE_NO_RESTORE};
-  optional<std::function<optional<float>()>> state_f_;
+  optional<optional<float> (*)()> state_f_;
   bool assumed_state_{false};
   bool optimistic_{false};
   Trigger<> *open_trigger_;
diff --git a/pyproject.toml b/pyproject.toml
index b7b4a48d7e..49598d434d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,9 @@ classifiers = [
     "Programming Language :: Python :: 3",
     "Topic :: Home Automation",
 ]
-requires-python = ">=3.11.0"
+
+# Python 3.14 is currently not supported by IDF <= 5.5.1, see https://github.com/esphome/esphome/issues/11502
+requires-python = ">=3.11.0,<3.14"
 
 dynamic = ["dependencies", "optional-dependencies", "version"]
 
diff --git a/tests/component_tests/text/test_text.py b/tests/component_tests/text/test_text.py
index 99ddd78ee7..1cc31a288b 100644
--- a/tests/component_tests/text/test_text.py
+++ b/tests/component_tests/text/test_text.py
@@ -66,5 +66,6 @@ def test_text_config_lamda_is_set(generate_main):
     main_cpp = generate_main("tests/component_tests/text/test_text.yaml")
 
     # Then
+    # Stateless lambda optimization: empty capture list allows function pointer conversion
     assert "it_4->set_template([]() -> esphome::optional<std::string> {" in main_cpp
     assert 'return std::string{"Hello"};' in main_cpp