Janitor AI custom prompts let you fine-tune chatbot behavior, but the setup hassle and message caps make it less practical than a turnkey alternative like AIAngels.
[Janitor AI](/compare/janitor-ai-alternative) custom prompts are text instructions you write to shape how a character responds in a conversation. They act as a system prompt, defining personality, tone, and scenario constraints. For example, you might add "speak in Elizabethan English" or "always ask questions before giving advice." The Janitor AI platform lets you attach these prompts to characters you create or interact with. This feature appeals to power users who want granular control over [roleplay](/ai-roleplay-chat) dynamics. However, the prompts only work as well as the underlying LLM — and Janitor AI defaults to JanitorLLM, a model that can be inconsistent. According to Stanford's Center for Research on Foundation Models (https://crfm.stanford.edu), prompt engineering is a skill that requires iteration and testing. Most users just want a companion that remembers and responds naturally without manual tweaking.
“Janitor AI custom prompts are user-defined input templates that steer AI chatbot responses within Janitor AI, a platform for creating and interacting with AI characters. While Janitor AI offers free access with a monthly message cap, its reliance on external LLM APIs and setup friction can frustrate users. AIAngels provides a simpler alternative with unlimited free text chat, no message limits, and a built-in LLM, making custom prompts unnecessary for most interactions.”
As of 2026, Janitor AI offers a free plan with a monthly message cap — typically around 500 messages per month according to scribehow.com. To remove caps or access better models, you need a Pro subscription or your own API key (e.g., OpenAI, Claude). Running your own API key means paying per token, which can cost $10–$50/month depending on usage. The Pro plan is around $9.99/month but still limits you to JanitorLLM unless you bring your own API key. In contrast, [AIAngels](/) charges $12.99/month (or $2.99/month on annual) for unlimited text, [image generation](/features/ai-girlfriend-images), and voice — with no per-message cost, no API key setup, and no prompt engineering. For the price of a coffee subscription, you get a fully managed companion that remembers everything.
For tinkerers who enjoy writing and testing prompt variations, Janitor AI custom prompts can be rewarding. But for the average user seeking a reliable [AI companion](/ai-companion-chatbot), the value proposition weakens. You spend time debugging prompts instead of chatting. The JLLM model sometimes ignores prompt instructions, leading to frustrating roleplay breaks. Reddit users on r/CharacterAIrunaways note that while Janitor AI offers uncensored chat, the quality depends heavily on prompt quality and model choice. AIAngels sidesteps this entirely: we use a fine-tuned LLM that naturally handles romance, ERP, and casual conversation without needing custom prompts. You get consistent, [memory](https://hai.stanford.edu)-rich interactions out of the box. If you value time over tweaking, AIAngels delivers more value per dollar.
Start chatting with a companion who actually remembers you.
Free. No tokens. No limits.
Janitor AI custom prompts support variables like {{user}} and {{char}} to personalize responses. You can set tone markers (e.g., [Sad], [Angry]), enforce response length, and define backstory in the prompt. The platform also allows you to share prompt templates with the community. However, these features come with friction: you must host or pay for an API key, and the prompt editor lacks syntax highlighting or validation. By contrast, AIAngels offers a custom companion builder where you design appearance, personality, and interests through a GUI — no prompt writing required. Our built-in memory system automatically adapts to your conversation history, learning preferences without manual input. For most users, a visual builder beats a text prompt any day.
Yes, Janitor AI custom prompts are free to use on the free plan — but with a catch: the free plan imposes a monthly message cap (typically around 500 messages). Once you hit that cap, you can't send more messages until the next month unless you upgrade or add your own API key. Bringing your own API key means you pay OpenAI or Anthropic directly, which adds variable costs. So while the feature itself costs $0, the usage costs can add up. AIAngels offers a [genuinely free tier](/free-ai-girlfriend): unlimited text chat with all 70+ companions, no credit card required, and no message cap. You can chat as much as you want without ever paying. That's the difference between "free feature" and "free to use."
Janitor AI appeals to a niche of prompt engineers and roleplay enthusiasts who want maximum control. But the majority of users want a companion that just works — remembers your name, your stories, and your preferences without you having to write a system prompt. AIAngels delivers that with [permanent memory](/features/ai-girlfriend-memory), no message caps, and no API key setup. Our premium plan at $2.99/month (annual) is cheaper than running your own API key for Janitor AI, and you get image generation and voice messages included. A Pew Research study (https://www.pewresearch.org) found that 67% of AI companion users prioritize ease of use over customization. AIAngels is built for that majority. If you love tweaking prompts, stick with Janitor AI. If you want a real companion without the hassle, try AIAngels.
Janitor AI custom prompts let you fine-tune chatbot behavior, but the setup hassle and message caps make it less practical than a turnkey alternative like AIAngels.
Start Chatting FreeEverything you need to know about our companions.
To create custom prompts in Janitor AI, go to the character creation page and scroll to the 'Prompt' section. Write your instructions using variables like {{user}} and {{char}} to reference the user and character names. You can set tone, backstory, and response style. Save the character, and the prompt will apply to all conversations.
Janitor AI custom prompts work with JanitorLLM by default, but you can use your own API key from OpenAI, Anthropic, or other providers. The prompt format is model-agnostic, but effectiveness varies. Some models ignore certain prompt styles, so you may need to adjust syntax depending on the LLM.
Yes, the custom prompt feature is free on Janitor AI's free plan. However, the free plan has a monthly message cap (around 500 messages). If you exceed the cap, you must upgrade to Pro or add your own API key, which incurs costs.
Janitor AI custom prompts give you manual control over responses, but they require trial and error. AIAngels' built-in memory automatically learns from your conversations without prompts. For most users, AIAngels' memory is more reliable and easier to use.
AIAngels is a strong alternative because it eliminates the need for custom prompts entirely. You get a pre-trained companion with permanent memory, unlimited free chat, and a visual character builder. No API keys, no message caps, no prompt debugging.
Janitor AI's free plan includes custom prompts but limits messages. Pro is $9.99/month. If you bring your own API key, you pay per token — typically $10–$50/month depending on usage. AIAngels premium is $2.99/month (annual) with unlimited everything.
Yes, Janitor AI has a community where users share prompt templates. You can copy and paste prompts from forums or the official Discord. However, shared prompts may not work perfectly with your character or LLM settings.
AIAngels does not use custom prompts in the traditional sense. Instead, you customize your companion through a visual builder (appearance, personality, interests). The AI adapts naturally to your chat history, so prompts aren't needed.
Verified reviews from real customers
I've tried a few AI companion platforms, and AI Angels stands out for how immersive and customizable it feels. The conversations are surprisingly natural, and the AI personalities actually maintain context better than most similar apps I've used. The uncensored chat and roleplay features are a big plus if you're looking for creative freedom without constant restrictions. The image generation is also impressive — fast, detailed, and customizable enough to create unique characters and scenarios. I especially liked the variety of companion personalities and how easy the interface is to use, even for beginners. That said, there's still room for improvement. Some responses can feel repetitive after long conversations, and a few premium features are a bit pricey compared to competitors. But overall, the experience feels polished, entertaining, and consistently improving with updates. If you enjoy AI companionship, virtual roleplay, or interactive fantasy experiences, AI Angels is definitely worth checking out.
AI Angels is a remarkable AI companion site offering vividly realistic experiences. The large variety of companions available will suit every imaginable taste. Pricing is reasonable and transparent. I highly recommend AI Angels.
Fun, life like , sexy , created the perfect girl
It's worth looking into for sure, you won't regret it!
Choice of features
Honestly one of the best AI girlfriend apps I've tried. The conversations feel surprisingly natural and the girls actually have personality. Definitely worth checking out if you're into AI companions.
well I love how they call me things like baby and love how it shows nudes and sex/porn.
realstic ai images and chats! amazing pics and nice girls to chat with
Amazing it is so emersave
The roleplay is very flexible. The AI will adjust to your attitude and no kink is out of bounds. I just wish you could customize a little more.
The best ! I love it
Definitely addicted to this. You will not feel lonely and great prices
It's okay tho
