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Simpler credits, cheaper prompts

Credits just got simpler, and most prompts got cheaper.

We have rebuilt how credits are calculated. The old system had grown a lot of moving parts — new-user boosts, discounts, a premium on our most capable model — and the result was pricing that was hard to predict and hard to explain. That is gone. There is now one rule, and for most work it costs less than it did yesterday.

What changed

One rate, no modifiers

Credits are charged on one thing only: the exact work the AI does for you. Thinking, writing game code, generating a 3D model, generating an image, producing audio — all of it priced the same way, at the same rate, on every plan.

No boosts. No discounts. No per-model premium. A prompt costs what it costs, and nothing in your account history changes that number.

Prompts cost less

Because the rate is flat and the models themselves got cheaper to run, the average price of a prompt came down across the board:

  • Atomos — around 52% less per prompt
  • Muranyi — around 25% less per prompt

Atomos saw the biggest drop. It used to carry a premium that made it something you rationed; now it is priced like everything else.

Asset generation is now itemised

3D models, images, audio and background removal used to be folded into higher prompt prices — you paid for them, you just could not see them. They are now listed individually, so a build's cost breaks down into exactly what produced it.

If your games lean heavily on generated assets, you will see that line on your usage page for the first time. That is the trade for the lower prompt rates: less hidden in the average, more visible per item.

A new Muranyi, more than twice as fast

This release also ships a completely new version of Muranyi. It is 200–300% faster end to end. Long builds finish sooner and iteration feels considerably better.

If you already subscribe, nothing goes down

Plan prices and monthly credit amounts have changed for new subscriptions only.

If you are on a plan today you keep both the price and the monthly credits you signed up with, for as long as you stay on that plan. Credit grants have now been adjusted twice, so there are three groups on Max and Ultra:

SubscribedMaxUltra
Before July 20267,50035,000
July – August 20267,00030,000
From August 20265,25022,000

Changing plan moves you onto the current rate card, so an upgrade or downgrade ends the older rate. Your live allocation is always the number shown on your Plans & credits page — that is the only place that accounts for which group you are in.

The plans from here

PlanPriceMonthly credits
Pro$25/mo · $240/yr2,500
Max$50/mo · $480/yr5,250
Ultra$200/mo · $1,920/yr22,000

Credits are $0.01 each on Pro, and the larger plans include more per dollar — up to 10% more on Ultra. Annual billing saves roughly 20% against monthly.

Top-ups

One-time credit purchases, for when a month runs long:

BundlePriceCredits
Plus$101,000 — requires an active plan
Builder$252,500
Studio$505,150
Whale$10010,500
Mega$40042,000

The larger bundles carry a small bonus. The $5 bundle has been retired — it was too small to build anything meaningful with.

Seeing your own numbers

Every charge is itemised on your Usage page: what each run cost, which model ran it, and how the total breaks down between AI work and generated assets. Full details are in the credits documentation.

Tesana

Introducing Atomos — our most capable model

Atomos

Atomos is here — by far the smartest, most creative model we've built, and it's now the default for new games.

  • Smarter across the board — deeper game logic, better characters, bigger worlds
  • More creative — new mechanics and ideas, not just what you asked for
  • Fewer bugs — more generations work first try
  • One prompt, not ten — big builds that used to take many rounds often land in one

Atomos is our new flagship. Muranyi stays as the balanced, lower-cost all-rounder, and Muranyi Fast for quick edits — switch any time from the model menu. Because Atomos needs fewer prompts, finishing a game is often cheaper overall, even though each prompt costs a bit more.

Open Tesana and try it — every new game starts on Atomos automatically.

Introducing Muranyi-3

Muranyi-3 is here. It is the latest model from Tesana — our most powerful AI game model yet, and the biggest leap forward we have ever shipped in a single release.

If you have built a game with Tesana before, you already know how it feels: you describe what you want, and the AI builds a real, playable game for you. Muranyi-3 keeps that core experience and rebuilds nearly everything around it.

Muranyi-3

What is new

Built-in code editor

A full code editor is now baked right into the studio. Browse your game's files, open any script, make changes, and the agent picks up from where you left off — the best of both worlds, AI-driven generation when you want it and direct control when you need it.

Better animations

Characters in M3 finally move like characters. Smoother, more realistic motion across run cycles, attacks, idle poses — all of it reads as alive in a way previous versions struggled to nail.

Improved asset library

A rebuilt asset library lets you browse, preview, and manage every model, texture, and audio file in your game without leaving the studio. Faster, cleaner, built to scale as your project grows.

Smarter code generation

The model is meaningfully smarter at writing code. Games built with M3 are cleaner, more scalable, and more consistent — every prompt produces a slightly better starting point, and every follow-up edit lands cleanly on top.

Fewer bugs

Across thousands of games built on Tesana, we cataloged the bugs and crashes our model has produced. With Muranyi-3, 90% of the most common errors are solved before they ever ship.

Smaller game files

A new build pipeline ships dramatically smaller game files. Players open your games faster, downloads finish quicker, and your games feel snappier — even on slower connections.

Faster generation

Better games in less time. Muranyi-3 generates faster end-to-end than any previous version.

Available everywhere you already use Tesana

Muranyi-3 is live now — on the web at tesana.ai and on iPhone. There is nothing to upgrade, nothing to pay for. Open Tesana and you are already on M3.

Tesana desktop apps for macOS and Windows are coming soon.

Open Tesana on the web · Read the full announcement

— The Tesana team