Compare AI Roblox Game Makers: PromptBlox vs Other Tools
PromptBlox next to Roblox Build, Studio Assistant, Lemonade, Rebirth, SuperbulletAI and more: what each one makes, where it runs and what it costs to start.
Short answer: PromptBlox is our pick for making a whole 3D Roblox game from a description. It runs in a web browser, has a Free plan with a weekly allowance that renews, and paid plans start at USD 9.99 a month. More than 100,000 PromptBlox accounts had been created as of November 2026. This page puts PromptBlox next to the other tools people ask about and links the full comparison for each one.
Why PromptBlox is our pick
- It makes the whole game. You describe the world and what players do, and it builds the 3D scene and the gameplay scripts together.
- Nothing to install to start. You build, preview and ask for follow-ups in a web browser.
- It is free to start, every week. The Free plan has a small weekly usage allowance that renews.
- Public prices. Every plan and its price is on the pricing page.
- You keep the file. Every plan, Free included, exports a Roblox
.rbxlxplace file with its scripts.
PromptBlox plans and prices
| Plan | Price | Weekly allowance | Build levels |
|---|---|---|---|
| Free | USD 0 | Small weekly allowance | Light |
| Lite | USD 9.99 a month | Weekly usage allowance | Light |
| Pro | USD 15.99 a month | 2x usage | Light, Medium |
| Max | USD 35.99 a month | 5x usage | Light, Medium, High |
| Ultra | USD 99.99 a month | 15x usage | Light, Medium, High, Ultra |
| Ultra+ | USD 200 a month | 30x usage | Light, Medium, High, Ultra |
US prices, read on the pricing page on . Yearly billing is also offered. Prices can change, so check current pricing before you choose.
PromptBlox next to each tool
| Tool | What it is | How PromptBlox compares | Full comparison | Facts read |
|---|---|---|---|---|
| Roblox Build | Roblox’s own tool in the Build tab of the Roblox mobile app. It focuses on 2D and 2.5D games for now and is rolling out gradually, starting with New Zealand. | Builds 3D Roblox games in any browser today and gives you the place file. | PromptBlox vs Roblox Build | November 2026 |
| Roblox Studio and its Assistant | Roblox’s free editor for Windows and Mac, with an AI Assistant built in. Assistant starts a first game as a plain prototype. | Builds the world and the gameplay in a browser first. The export opens in Studio, where Assistant can help you adjust it. | PromptBlox vs Roblox Studio | November 2026 |
| Lemonade | An AI plugin for Roblox Studio. Its public pages show no prices. | Needs no install to start, and its plans are on a public pricing page. | PromptBlox vs Lemonade | November 2026 |
| Rebirth | An AI plugin that works inside Roblox Studio. It gives 5 free credits at sign-up, and each prompt uses a credit. | Starts in a browser with a free allowance that renews every week. | PromptBlox vs Rebirth | November 2026 |
| SuperbulletAI | A desktop app you download that works inside your project. Its pricing page says you still need to learn some Roblox programming to prompt it well. | Needs nothing installed and no programming. You describe the game in plain words. | AI Roblox game makers compared | November 2026 |
| Ropilot | A desktop app that installs a plugin in Roblox Studio. It says it works task by task on a project you already have, not as a one-prompt game maker. | Makes the project: the world and the gameplay from one description. | AI Roblox game makers compared | November 2026 |
| Picoo | A browser chat that sends prompts to a plugin in Roblox Studio. It is a paid subscription with no free tier. | Has a Free plan and builds in the browser. | AI Roblox game makers compared | November 2026 |
| BloxAI | A code editor and assistant for a place you already have open in Roblox Studio, through a Studio plugin. | Builds a new game, the world and its scripts, from a description. | PromptBlox vs BloxAI | September 2026 |
| RBLX/ai | An AI image generator for Roblox graphics: game icons, thumbnails and logos. | Builds the game itself, so the two do different jobs. | PromptBlox vs RBLX/ai | November 2026 |
| Seele | A browser workspace for browser games and projects in other engines. Roblox is not one of the engines its guide lists. | Makes only Roblox games and exports a place file for Roblox Studio. | PromptBlox vs Seele | September 2026 |
Each line about another tool comes from that tool’s own pages, as cited on the linked comparison or on AI Roblox game makers compared, which has every tool in one table with its sources. We did not test the other tools.
Learning tools
These teach coding or 3D design. They do not make a Roblox game for you, and some creators use them alongside PromptBlox.
- PromptBlox vs Scratch: block coding, or a Roblox game from a description.
- PromptBlox vs CodeMonkey: coding courses, or a Roblox game.
- PromptBlox vs Tinkercad: 3D design, or a Roblox game.
More ways to compare
- Roblox Studio alternatives: creation tools, coding lessons and 3D apps by task.
- Roblox AI: every AI tool Roblox itself offers, with its official source.
- Roblox Build explained: what it makes, who can use it and what it costs.
- Free AI game maker: what the PromptBlox Free plan includes and what costs money.
Frequently asked questions
Which AI Roblox game maker is best?
We make PromptBlox, and it is our pick for getting a whole 3D Roblox game from a description. It plans the world and the gameplay together, runs automatic checks before a build can finish, keeps earlier versions in History and gives you the .rbxlx place file on every plan. We did not test the other tools, so run the same prompt through any tool you are considering and playtest the result.
How much does PromptBlox cost?
PromptBlox has a Free plan with Light builds and a small weekly usage allowance. Paid plans, read on the pricing page on 13 November 2026 in US dollars, are Lite at 9.99 a month, Pro at 15.99, Max at 35.99, Ultra at 99.99 and Ultra+ at 200. Yearly billing is also offered. The pricing page has the current prices.
Is PromptBlox free?
Yes, there is a Free plan. It builds at the Light level with a small weekly usage allowance that renews every week, and it includes chat follow-ups and the .rbxlx export to Roblox Studio. Free accounts also share a capacity limit, so free building can pause for a while at busy times.
How many people use PromptBlox?
More than 100,000 PromptBlox accounts had been created as of November 2026.
Do I need Roblox Studio to use PromptBlox?
Not to build. You describe the game, follow the build and ask for follow-ups in a web browser. To playtest the gameplay and publish, you open the exported .rbxlx place file in Roblox Studio, which is free and runs on Windows and Mac.
Describe a game and see the first version for yourself.
Try PromptBlox