--- title: "How much RAM does a Discord bot need? Sizing guide" description: "How much RAM a Discord bot needs: what eats memory, how to measure real usage before picking a plan, and a profile table by RAM, vCPU and price." url: "https://streethosting.com.br/en/guides/discord-bots/how-much-ram-does-a-discord-bot-need" type: "page" language: "en-US" --- Discord Bots · 8 min · Intermediate Published on Sep 15, 2026 · Updated on Sep 15, 2026 # Sizing your bot's RAM and CPU without guessing Picking a bot plan by guesswork leads to two expensive mistakes: paying for idle memory or watching the process die at a peak. This guide shows what uses resources and how to measure before you buy. By [Equipe StreetHosting](https://streethosting.com.br/en/autores#equipe-streethosting) · StreetHosting infrastructure and support team [Hardware and datacenter](https://streethosting.com.br/en/guides/topics/hardware) [Performance and optimization](https://streethosting.com.br/en/guides/topics/performance) Summarize with: [](https://chat.openai.com/?q=Summarize%20the%20key%20points%20of%20this%20StreetHosting%20guide%3A%20https%3A%2F%2Fstreethosting.com.br%2Fen%2Fguides%2Fdiscord-bots%2Fhow-much-ram-does-a-discord-bot-need.%20Highlight%20the%20step-by-step%20instructions%2C%20the%20prerequisites%20and%20the%20most%20common%20mistakes. "ChatGPT") [](https://claude.ai/new?q=Summarize%20the%20key%20points%20of%20this%20StreetHosting%20guide%3A%20https%3A%2F%2Fstreethosting.com.br%2Fen%2Fguides%2Fdiscord-bots%2Fhow-much-ram-does-a-discord-bot-need.%20Highlight%20the%20step-by-step%20instructions%2C%20the%20prerequisites%20and%20the%20most%20common%20mistakes. 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Usage does not depend on the number of commands, but on how much the bot keeps in memory. Measure before you buy instead of choosing by the plan's name. ## What uses memory[](https://streethosting.com.br/en/guides/discord-bots/how-much-ram-does-a-discord-bot-need#o-que-consome-memoria) The idea that a bot with many commands uses a lot of memory is wrong. Each command is just a function waiting to be called, and a hundred functions take up less space than the member list of a single large server. What really weighs is the state the bot keeps alive between one event and the next. Four sources account for almost all of a production bot's usage: * **Member cache.** The library keeps every user it sees in memory. On a server of a thousand members that is irrelevant. On a network of a hundred thousand members, the cache alone goes past several hundred megabytes. * **Message cache.** Every message read is kept so edits and reactions can be handled. With no limit configured, this cache keeps growing as long as the server is active. * **Audio.**Playing music keeps buffers open for each active room and uses CPU to decode and encrypt the stream. It is the feature that changes a bot's profile the most. * **Images.** Generating a profile card or a banner loads the whole uncompressed image into memory. A spike of several tens of megabytes per request is normal, and several simultaneous requests take down a small plan. Sharding is a category of its own. It does not reduce total usage, it spreads it out. Each shard is a connection with its own slice of the cache. Once the bot passes the guild limit per connection, sharding becomes mandatory and per-process usage has to be planned shard by shard, as the guide on [sharding to scale your bot](https://streethosting.com.br/en/guides/discord-bots/discord-bot-sharding) explains. ## Intents and cache[](https://streethosting.com.br/en/guides/discord-bots/how-much-ram-does-a-discord-bot-need#intents-e-cache) Intents are the setting that changes your bot's usage fastest, and most projects switch them all on without thinking. The members intent makes Discord send the full user list of each server as soon as the bot connects. If the bot does not use that data for anything, you are paying for memory to hold a copy nobody reads. The message content intent has a similar effect. It delivers the text of every message in every channel the bot can see. A bot that only uses slash commands does not need it. Turning off both intents on a bot that does not depend on them often cuts a good share of the usage without changing any feature. Besides turning off intents, set explicit cache limits in the library. Keeping only the latest messages per channel and only the members the bot actually uses keeps usage stable even as the server grows. ## Differences between discord.js, discord.py and JDA[](https://streethosting.com.br/en/guides/discord-bots/how-much-ram-does-a-discord-bot-need#diferenca-entre-linguagens) All three libraries talk to the same API, but the baseline cost changes because the runtime changes. **discord.js** runs on Node. The process already starts with a few tens of megabytes and grows with the cache. The upside is that growth is reasonably predictable and the ecosystem has easy measurement tools. The downside is that the default cache is generous and has to be limited by hand on large bots. **discord.py** runs on Python with asyncio. Baseline usage is similar to Node, sometimes slightly lower on simple bots. The thing to watch is that image and audio libraries in Python load native dependencies that increase the process size as soon as they are imported, even before the first use. **JDA** runs on the JVM and is the most different of the three. The JVM reserves system memory under its own policy, so the process looks like it uses much more than the bot really does. On a plan with a hard limit, this kills the process even though the bot did nothing wrong. The fix is to set the maximum heap explicitly in the start command, leaving room for what lives outside the heap. Anyone hosting a Java bot should reserve at least 1 GB, even for a simple bot. None of these differences is big enough to justify switching languages. The best stack is still the one you can debug at 3 a.m. But they do change the size of the plan you need for the same bot. ## How to measure real usage before picking a plan[](https://streethosting.com.br/en/guides/discord-bots/how-much-ram-does-a-discord-bot-need#como-medir-o-consumo-real) Measuring is simpler than it sounds, and it avoids both the plan that is too tight and the plan that is too big. The method below takes a week and needs no paid tool. 1. Run the bot in real production, with your community using it, not in a test with just you. Usage in testing tells you nothing. 2. Note the process's resident memory right after the bot connects and finishes filling the initial cache. That is your floor. 3. Record the value every hour for seven days. If you use PM2, its own monitor shows memory and restarts. On a bot plan, the control panel shows the usage graph. 4. Find the week's peak and when it happened. It is usually at night, on a weekend or during a community event. 5. Pick the plan whose limit sits about 30 percent above that peak. That headroom covers the server's natural growth and the spikes the measured week did not catch. Do the same with the processor, but read it differently. What matters for CPU is not the average, but whether usage hits the ceiling during the peak. A bot idling at 3 percent with spikes of 20 percent is comfortable. A bot that spends minutes at 100 percent is delaying command responses and needs more vCPU, or needs its heavy work moved to a worker. ## Signs of a memory leak[](https://streethosting.com.br/en/guides/discord-bots/how-much-ram-does-a-discord-bot-need#sinais-de-vazamento) Before moving up a plan, confirm the problem is size and not a defect. A bot with a leak will blow through any plan you buy, just more slowly. These are the signs: * Memory climbs continuously for days and never settles at a level * The process restarts on its own at similar intervals, always from running out of memory * Restarting the bot fixes it for a while and the problem comes back the same * Usage keeps growing even during low-activity hours in the community * The number of registered listeners goes up with every command executed The most common causes in real bots are reaction or message collectors that are created and never ended, history arrays that only receive items, timers that stay active after the command finishes, and manual caches in an object with no size limit. All of them are fixed in the code, not in the plan. Restarting the bot at a fixed time every day to mask a leak works until the day growth gets too fast and the process dies in the middle of an event. Fix the leak and use the scheduled restart only as a safety net. ## Profile table[](https://streethosting.com.br/en/guides/discord-bots/how-much-ram-does-a-discord-bot-need#tabela-de-perfis) | Bot profile | Suggested RAM | vCPU | Plan and price | | -------------------------------------------------------------- | ------------- | ---- | ------------------------------------ | | Moderation, welcome messages or reaction roles in a few guilds | 512 MB | 0.5 | Bots Basic, R$ 4.49 per month | | Tickets, audit logs or scheduling with light data | 1 GB | 0.5 | Bots Essential, R$ 8.99 per month | | Virtual economy, levels and ranking with an external database | 2 GB | 1 | Bots Advanced, R$ 17.99 per month | | Java bot with JDA or a bot that generates images | 4 GB | 2 | Bots Pro, R$ 35.99 per month | | Music bot with Lavalink on the same server | 6 GB | 3 | Ryzen VPS 6 GB, R$ 92.00 per month | | Bot with its own database, web dashboard and queue worker | 8 GB | 4 | Ryzen VPS 8 GB, R$ 118.00 per month | | Several shards and supporting services on the same machine | 16 GB | 6 | Ryzen VPS 16 GB, R$ 222.00 per month | Use the table as a starting point, never as a verdict. Two bots with the same description can use three times as much as each other depending on intents and cache limits. If you want the view by cost rather than by resources, the full price ranges are in [how much it costs to host a Discord bot](https://streethosting.com.br/en/guides/discord-bots/discord-bot-hosting-cost). If you already know you will need audio, go straight to the guide on a [music bot with Lavalink](https://streethosting.com.br/en/guides/discord-bots/discord-music-bot-lavalink), which covers sizing for that specific case. If your measurements point to 4 GB or more, it is worth comparing the bot plan with a [Ryzen VPS](https://streethosting.com.br/en/vps/ryzen). From that range up, a full machine usually gives you more for your money, because you use the same memory for the database and the project's other services instead of buying each one separately. In this guide * [What uses memory](https://streethosting.com.br/en/guides/discord-bots/how-much-ram-does-a-discord-bot-need#o-que-consome-memoria) * [Intents and cache](https://streethosting.com.br/en/guides/discord-bots/how-much-ram-does-a-discord-bot-need#intents-e-cache) * [Differences between languages](https://streethosting.com.br/en/guides/discord-bots/how-much-ram-does-a-discord-bot-need#diferenca-entre-linguagens) * [How to measure real usage](https://streethosting.com.br/en/guides/discord-bots/how-much-ram-does-a-discord-bot-need#como-medir-o-consumo-real) * [Signs of a memory leak](https://streethosting.com.br/en/guides/discord-bots/how-much-ram-does-a-discord-bot-need#sinais-de-vazamento) * [Profile table](https://streethosting.com.br/en/guides/discord-bots/how-much-ram-does-a-discord-bot-need#tabela-de-perfis) ## Frequently asked questions How much RAM does a Discord bot need? A moderation or ticket bot in a few guilds usually sits between 120 MB and 400 MB, which fits in 512 MB. Bots with music, images or a large member cache easily go past 1 GB and need 2 GB or more. Is 512 MB enough for my bot? It is enough if the bot does not play audio, does not generate images and does not keep a member cache for large servers. Measure usage for a week before deciding. If the peak goes past 350 MB, move up a plan for headroom. Does the bot need more than 1 vCPU? Rarely. Most of the time the bot is waiting for API events, not computing. More vCPU only matters when there is audio, image processing, heavy encryption or a database on the same server. Why does my bot's memory usage only go up and never come down? It is usually a cache that grows without a limit, or listeners and collectors that are never removed. A healthy process climbs, gets collected by the garbage collector and returns to a stable level. Continuous growth over days points to a leak. Should I size for average usage or peak usage? For the peak, with about 30 percent of headroom. The system kills the bot the moment it exceeds the limit, and that moment is exactly the community event where it most needs to respond. Next step See bot plans 24/7 Discord bots with fast activation and support in Portuguese. [See bot plans](https://streethosting.com.br/en/bots) [See Ryzen VPS Ryzen 9 9950X VPS in São Paulo with root access, NVMe and gamer Anti-DDoS.](https://streethosting.com.br/en/vps/ryzen) ## Related guides [Discord bots Beginner How much does Discord bot hosting cost in Brazil? A modest bot starts under ten reais a month on a managed plan. A bot with music, shards and a Minecraft bridge needs more RAM and costs proportionally more. 3 min Read guide](https://streethosting.com.br/en/guides/discord-bots/discord-bot-hosting-cost) [Discord bots Advanced Discord bot sharding: scaling a bot to many servers Past a certain size, a single process cannot handle all your guilds. Sharding splits the load into pieces. Here is when it is mandatory and how to plan the infrastructure. 3 min Read guide](https://streethosting.com.br/en/guides/discord-bots/discord-bot-sharding) [Discord bots Intermediate Discord music bot with Lavalink: 24/7 hosting A music bot uses RAM and bandwidth differently from a moderation bot. Running Lavalink separately from the main bot is the stable standard in production. 2 min Read guide](https://streethosting.com.br/en/guides/discord-bots/discord-music-bot-lavalink) [← Back to the Guide Center](https://streethosting.com.br/en/guides)