Chub.AI Alternative — Top Models Free, Without the Tier Maze
Chub's free tier runs small models on a tight message budget, and even its $20 Mars plan tops out at a 70B. SillyTavern Online gives you strong models for free on one plan, with no account.
Skip the Tier Menu →Free daily · One tier · No signup · Simpler UI
What Chub Does Better Than Anyone
On sheer breadth of library, almost nothing rivals Chub.AI. It's the de facto open standard for AI roleplay character cards, very likely the largest community-made collection anywhere, sprawling across every genre and style you can name. That PNG character-card format Chub helped popularize now turns up everywhere you look.
Where the Friction Starts
The trouble begins the moment you simply want to start chatting. Chub's free tier runs basic models: roughly 59 messages, topped up by a slow drip of daily credits. Step above that and the meter starts. Mercury ($5/mo) brings in small 7B–13B models, while Mars ($20/mo) climbs as far as a 70B. Even at the very top, 70B is the ceiling, respectable but a clear notch below frontier-class. On top of all that sits the busywork of choosing between Free, Mercury, and Mars, picking a model from a selector, learning a dense interface, then clearing a required signup before any of it begins.
Stripping Out the Overhead
Take what people genuinely love about the Chub ecosystem (the variety, the depth, the room to customize) and strip away the overhead bundled with it. That's the design on this side. One free daily allowance runs premium-class engines, a step past where even Chub's $20 plan tops out, with no selector to fiddle with. The interface obeys a single rule: open the page and start chatting, no account. A switch handles adult scenes whenever you want them. (Chub's community library is the bigger one; the curated cast here numbers 12,000+.)
Key Features: Why Chub.AI Users Are Switching
Strong Models, One Plan
Free, and a step past Chub's small free tier; even Mars ($20) caps at a 70B.
No Tier Maze
Forget Free / Mercury / Mars; there's only one plan.
No Account Required
Chat without registering; Chub wants a signup.
Open and Talk
Pick a character and go, no wall of settings first.
12,000+ Characters
A curated cast that spans genres.
Uncensored Roleplay
Behind a single 18+ switch.
SillyTavern Online vs Chub.AI — At a Glance
| Feature | SillyTavern Online | Chub.AI |
|---|---|---|
| Plans to choose between | One free plan | Free / Mercury $5 / Mars $20 |
| Free-tier model | High-end, hosted | Small (~59 msgs + credits) |
| Best model you can reach | Same high-end tier, free | Up to a 70B (Mars, $20/mo) |
| Getting started | Open page, pick, talk | Signup, then model selector |
| Account | None | Required |
| Library size | 12,000+ curated | Largest (community) |
Final Verdict
Chub's bargain is real: the biggest card library in the space, paid for in tier menus, model selectors, and a free model that runs small. Whether it's worth taking comes down to one question. Is that library the whole reason you walked in? Then stay with Chub; it has earned the spot. But if the maze around it is the part you'd happily skip, the offer over here is plainer: premium-class engines on one free, nameless plan, with no tier to pick, ever.
More AI Roleplay Alternatives
Frequently Asked Questions
What does Chub.AI's free tier give you?▾
Basic models, around 59 messages plus limited daily credits; Mercury ($5) and Mars ($20) add larger models, topping out at a 70B.
Does SillyTavern Online have tiers to choose?▾
No, just one free daily plan on high-end models.
Do I need an account?▾
None at all, where Chub requires a signup. You chat (and pay, if you want) without one.
Which has the bigger library?▾
Chub's community-driven one; the curated cast here is 12,000+.
Start Chatting Free, Right Now
No card. No signup. No trial countdown. Just pick a character and chat.
Skip the Tier Menu →SillyTavern Online is not affiliated with Chub.AI. All trademarks belong to their respective owners.