Research80 generated turns
I Added One Literary Example to the Prompt. Here’s What Changed
A controlled test across 64 AI-fiction turns found that a prose exemplar cut cross-turn repetition by 44%—and made several other style habits worse.
Field notes on interactive prose
Experiments, measured results, and lessons from building Underfiction—written by Stefan Hoschkara.
Research & craft
Guide
How to Roleplay with AI (2026 Guide)
How AI roleplay actually works, how to start a scene that doesn't fizzle, and the director moves that separate a flat chat from a story worth rereading.
Guide
How to Create an AI Character That Stays Consistent
Why AI characters drift out of character, and the fields that actually prevent it: example dialogue, standing instructions, and lore that loads only when the scene needs it.
Guide
How to Stop Your AI from Speedrunning the Story
AI models resolve tension on sight — confessions by turn six, rescues before the danger lands. Here's why, and the pacing directions that keep a slow burn slow.
Guide
AI Roleplay Prompts That Actually Work
Not a list of 25 to copy-paste — the five prompt patterns behind every good one, with what each does to the scene and the mistakes that make prompts fail.
Guide
How to Move Your Character.AI Story Without Losing the Plot
A working migration path: what you can actually take from Character.AI, how to compress a long chat into a seed the next app can use, and how to restart mid-scene.
Guide
Character Cards Explained: Move Your AI Characters Between Apps
What a TavernCard actually is, what V2 and V3 mean, which fields matter, and how to carry a character between JanitorAI, SillyTavern, Underfiction, and the rest.
Essay
The "Free Unlimited Uncensored AI" Promise, Audited
Free, unlimited, uncensored — every AI roleplay app promises at least two. Here's the economics of why no product delivers all three, and what each 'free' actually charges.
Guide
Character.AI Troubleshooting: Memory, Repetition, Out-of-Character Replies
Working fixes for Character.AI's three chronic problems — forgotten plots, looping replies, characters going generic — and an honest line on which failures no trick fixes.
Guide
How to Write Long-Form Fiction with AI
A practical guide to writing something longer than a chat log. World-building, scene structure, director notes, and the tricks that make 50-scene stories work.
Guide
How Scene-Based Context Compression Works
After about 20 messages, most AI fiction tools have quietly forgotten how your story started. Here's the architecture we built to fix that.
Essay
Why We Built Underfiction
Three thousand words into the best scene I'd ever written, the AI stopped and told me it couldn't continue. That's when we started building.
Essay
Your AI Stories Are Not Safe in the Cloud
Where do your AI conversations actually go? A look at server-side storage, training data clauses, and what the alternative looks like.
Essay
What AI Fiction Should Read Like
Two versions of the same scene. One reads like a chat log. The other reads like a novel. Same AI model. The difference is how you ask.
Comparisons & commentary
Comparison
AI Roleplay App Pricing in 2026: What You Actually Pay
Subscriptions, message meters, credit packs, and BYO keys — the four pricing models of AI roleplay in 2026, with real numbers and the math for your usage pattern.
Comparison
Best Free Character.AI Alternatives in 2026 (What Free Really Gets You)
Six Character.AI alternatives you can use without paying, ranked honestly by what the free tier actually includes — meters, models, and catches stated plainly.
Comparison
The 10 Best Character.AI Alternatives in 2026
Where Character.AI users actually land in 2026: ten alternatives compared on filters, price, memory, and prose quality — including ours, disclosed up front.
Comparison
The 8 Best AI Roleplay Apps in 2026
Eight AI roleplay apps sorted into what they actually are — story engines, character chat, companions — with prices, filter policies, and an honest fit for each.
Comparison
Best NovelAI Alternatives in 2026 (For Fiction, Not Chat)
Five NovelAI alternatives for fiction writers in 2026, compared on models, price, and privacy — plus an honest section on when staying with NovelAI is right.
Comparison
Best Uncensored AI Story Writing Apps in 2026
"Uncensored" means three different things in AI fiction — platform filters, model refusals, account moderation. Seven apps compared honestly on all three.
Underfiction vs NovelAI
NovelAI earned its reputation: no filter, flat pricing, client-side encryption. Here's an honest look at where it stands in 2026 — and when you'd want each.
AI Dungeon Alternative — Frontier Prose, Transparent Credits (2026)
AI Dungeon invented the genre. If you're searching for an alternative in 2026, it's usually for one of three reasons: memory, model quality, or working out what a tier actually buys.
Dreamily Is Gone — and Every Story Went With It
Dreamily's English service shut down in April 2026 and user stories were deleted. If your fiction lives only on someone's server, it's a lease. Here's how to own it instead.
JanitorAI Alternative — No ID, No Face Photo (2026)
Looking for a JanitorAI alternative with no ID or face photo? Underfiction keeps stories on your device, separates identity from inference, and writes literary prose.
Character.AI Filters Ruined It? Where to Go Next (2026)
Character.AI's filters and under-18 changes broke the scenes you loved. Here's where to go next: literary prose, freedom in direction, and stories that stay yours.
The Lobotomy Effect: Why Your AI Roleplay Went Bland
The lobotomy effect is when an AI roleplay model gets quietly swapped or filtered until its prose goes flat. Here's why it happens and the fix.
Why Your AI Forgets the Plot After 20 Messages (and the Fix)
Your AI loses the plot after twenty turns because the context window truncates old text. Here's why it happens, in plain terms, and how scene-based compression fixes it.
No More Safety Disclaimers in the Middle of Your Scene
Hosted chatbots break character to lecture you about fiction. Here's why they interrupt mid-scene — and how a story engine that follows your direction doesn't.
Where to Write Uncensored Romance Roleplay After Character.AI
Left Character.AI for the filters? Underfiction writes literary romance under your direction — enemies-to-lovers, slow burn, morally-grey love interests. No refusals mid-scene. Private by default.
Underfiction vs Slowburn
Slowburn is two indie developers building AI roleplay that refuses to rush, and the pacing pitch is real. What it does well, what it keeps behind sign-in, and when you'd want each.
Comparison
Underfiction vs JanitorAI
JanitorAI is free. That's not nothing. Here's what free costs you, and when it's worth paying for something different.
Comparison
Underfiction vs Character.AI
Character.AI has 20 million users and the most aggressive content filter in the industry. Here's what happens when you want to write actual fiction.
Comparison
Underfiction vs SillyTavern
SillyTavern is great software. We use it ourselves. Here's an honest breakdown of when you'd want one vs. the other.