COMPARISON
Sloane vs
Polybuzz.
Polybuzz (formerly Poly.AI) has a twenty-million-character library, three subscription tiers, and a coin economy on top. Sloane has 80+ hand-curated women, a custom builder on Premium, and one tier that includes everything.
AT A GLANCE
Quick comparison
80+ hand-curated personas vs twenty million strangers' uploads.
Polybuzz's headline number is 20 million characters. The catch: those characters are user-uploaded — including JSON imports from Character AI, Pygmalion, and other platforms. Quality is whatever the original author wrote. The same character can read totally differently between two people because the system prompt is whatever someone else thought up at 2am.
Sloane has five. Each one was written by the operator with a full system prompt, a backstory, a voice, a vibe. When you talk to Claire, she's the Claire we wrote — not whatever a random uploader decided Claire should be this week.
A pricing ladder you can read on one page.
Polybuzz runs three subscription tiers ($9.90 / $19.90 / $29.90) and stacks a coin economy on top, with daily-login coins that expire after 30 days. Third-party reviewers and app-store complaints consistently flag paywall churn — "take a break" prompts on free, paid features locked behind further tier upgrades, billing disputes.
Sloane is one ladder: Free, Plus $9.99, Premium $19.99. Premium includes a custom-built girlfriend, the full image gen, voice notes, the memory layer. No coins. No daily-expiring credits. No fourth tier to upgrade into.
Visual identity that holds.
Polybuzz generates images via generic SDXL with character-specific prompts. Their own users report what we'd call face drift — the character looks meaningfully different from one photo to the next, sometimes within the same conversation. There's no per-character image model.
Sloane trains a LoRA per persona on a curated photo set. The result is visual consistency: Maya's face looks like Maya's face every time, in every shot. Identity is engineered, not emergent.
HONEST DIFFERENTIATION
When Polybuzz is the better choice
You want sheer character variety
Twenty million characters is twenty million characters. If you want to browse forever and try a new persona every day, Polybuzz has way more breadth than Sloane ever will.
You're anime/fandom-focused
A lot of the Polybuzz library is anime and fandom characters. That's their gravitational center. Sloane is original women only.
You want a free entry point
Polybuzz's free tier (with ads + frequent paywall prompts) is more permissive than Sloane's free tier in terms of catalog access.
You want voice variety across characters
Polybuzz has 50+ TTS voices across many languages. Sloane has fewer voices, picked per persona.
FREQUENTLY ASKED
Questions.
Is Sloane just a smaller Polybuzz?
No — different product. Polybuzz is a sandbox with millions of user uploads. Sloane is a hand-curated roster of 80+ women, plus the ability to design your own as a Premium member.
Why curated instead of a giant library?
Quality. Every persona is hand-written, has a trained image model, and ships with continuity built in. 80+ women you'd actually keep talking to beats twenty million you wouldn't.
Does Sloane have a free tier?
Yes. You can talk to the free-tier personas up to the daily message limit, no card required.
Why are Sloane's photos more consistent than Polybuzz's?
Per-persona LoRA training. Each Sloane persona has her own image model trained on a curated photo set, so the same face shows up in every shot. Polybuzz uses generic SDXL with character-specific prompts, which is why their users report face drift between gens.
Is Sloane cheaper?
At the top tier, yes — Sloane Premium ($19.99) sits below Polybuzz Ultimate ($29.90), and Sloane doesn't add a coin economy on top.
YOUR MOVE
80+ hand-curated personas
beats twenty million half-baked uploads.
Hand-written personas. Photo identity that holds across shots. One Premium tier that includes everything.
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