Discord Bot Libraries: discord.js vs discord.py vs JDA vs Eris (2025)

import { Client, GatewayIntentBits, Events } from 'discord.js';

const client = new Client({ intents: [GatewayIntentBits.Guilds] });

client.once(Events.ClientReady, () => console.log('Ready'));

client.on(Events.InteractionCreate, async (i) => {
  if (!i.isChatInputCommand()) return;
  if (i.commandName === 'ping') {
    await i.reply('Pong!');
  }
});

client.login(process.env.DISCORD_TOKEN);

import discord
from discord import app_commands

class MyClient(discord.Client):
  def __init__(self):
    super().__init__(intents=discord.Intents.default())
    self.tree = app_commands.CommandTree(self)

  async def setup_hook(self):
    @self.tree.command(name="ping", description="Ping")
    async def ping(interaction: discord.Interaction):
      await interaction.response.send_message("Pong!")
    await self.tree.sync()

client = MyClient()
client.run(os.getenv("DISCORD_TOKEN"))

import net.dv8tion.jda.api.JDABuilder;
import net.dv8tion.jda.api.entities.Activity;
import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent;
import net.dv8tion.jda.api.hooks.ListenerAdapter;

public class App extends ListenerAdapter {
  public static void main(String[] args) {
    JDABuilder.createDefault(System.getenv("DISCORD_TOKEN"))
      .addEventListeners(new App())
      .setActivity(Activity.playing("Hello"))
      .build()
      .updateCommands().addCommands(net.dv8tion.jda.api.interactions.commands.build.Commands.slash("ping", "Ping")).queue();
  }
  @Override public void onSlashCommandInteraction(SlashCommandInteractionEvent e) {
    if (e.getName().equals("ping")) e.reply("Pong!").queue();
  }
}

const Eris = require('eris');
const bot = new Eris(process.env.DISCORD_TOKEN);

bot.on('ready', () => console.log('Ready'));

bot.on('interactionCreate', async (i) => {
  if (i.type === 2 /* APPLICATION_COMMAND */ && i.data.name === 'ping') {
    await i.createMessage({ content: 'Pong!' });
  }
});

bot.connect();