I have found tensorflow implementation

  
      
      GitHub
  
  
    

stevenpjg/ddpg-aigym 22

Continuous control with deep reinforcement learning - Deep Deterministic Policy Gradient (DDPG) algorithm implemented in OpenAI Gym environments - stevenpjg/ddpg-aigym


  
  
    
    
  
  


But later I decided to use loss = value_net(state,policy_net(state)) for some reasons