Enormous Buildings vs RibatAI

Enormous Buildings and RibatAI are both productivity tracked by AIDiveForge. Below is a side-by-side comparison of pricing, capabilities, platforms, and ownership — sourced from each tool's live website and verified before publishing.

Enormous Buildings

Upload dimensioned drawings, pick a country and currency, and the engine returns a trade-by-trade, line-item Bill of Quantities with source-cited unit rates — the vendor states typical analysis runs around five minutes. Coverage spans 190+ countries with localised pricing, which means a feasibility number in Harare or Helsinki does not require hunting down a local QS first. The output is exportable to PDF and saved to your account for re-download. The ceiling appears when drawings are undimensioned or when a project requires the kind of specification-level judgement calls — material substitutions, site-condition adjustments — that a human QS would flag in a meeting. At that point teams treat the output as a first-draft baseline, not a submission-ready document.

RibatAI

Ribat AI generates a categorized idea board from a natural-language prompt, sorting outputs into a BUILD/LATER/DROP framework so teams move from raw ideas to ranked priorities in one session. Shared memory means the tool retains past decisions and stated preferences, so a second session on the same topic doesn't start from zero. The credit-based model means heavy ideation cycles burn through allowances faster than light users expect. There is no API, no self-hosted path, and no agent layer — every output is generated on demand, reviewed by a human, and acted on outside the tool. Teams that need the board to trigger downstream tasks or integrate with a project management system will hit a hard wall.

Attribute	Enormous Buildings	RibatAI
Pricing	Paid	Paid
Price	1% of building cost per analysis	€29/month
Free trial	No	No
Open source	No	No
Has API	No	No
Self-hosted option	No	No
Platforms	Web	Web
Pros	Source citation on every unit rate, so a QS or contractor reviewing the output can check individual line items against their own data rather than rejecting the whole document on sight. 190+ country coverage with localised currency and unit rates, which means international feasibility estimates do not require sourcing a regional QS just to get a number into a deck. Upload-to-BoQ in approximately five minutes per the vendor, so a specification change mid-design does not mean a two-week wait before the budget is updated. Trade-by-trade, line-item output grouped to the same structure a QS would use, so the document can move directly into contractor review or tender comparison without reformatting. Flat 1% of building cost pricing with no subscription layer, which means low-volume users and one-off projects are not subsidising a seat they use twice a year.	BUILD/LATER/DROP framework applied automatically to generated ideas, so teams skip the meeting where everyone argues about priority order and arrive at a ranked list with visible reasoning instead. Persistent session memory retains past decisions and stated preferences, which means a returning team doesn't re-explain context that was already established — reducing the setup cost of iterative planning cycles. Structured output formats the board around documented reasoning rather than raw bullet points, so decisions made in a session are defensible weeks later when someone asks why an idea was dropped. Freemium entry with no credit card required on the free tier, so a team can validate whether the structured-board approach fits their workflow before any budget conversation.
Cons	The engine requires dimensioned drawings — plans, elevations, or sections with explicit measurements. Sketch layouts, concept drawings, or undimensioned PDFs return no usable quantities, so teams early in schematic design cannot use the tool until drawings reach a minimum level of completeness. Output is a starting-point document, not a submission-ready BoQ. Site-specific conditions — unusual ground, access constraints, specialist subcontractor rates — are not factors the engine can adjust for, so any project where those variables are material requires a QS to rework the figures before the document goes into a tender package. No API access and no self-hosted option means the tool cannot be embedded into an existing estimating or project management workflow; teams that need BoQ generation as a step inside a larger automated pipeline will reach this ceiling immediately and look elsewhere. A single pricing tier structure means teams that need iterative re-runs across multiple specification options — comparing timber frame against masonry for the same footprint, for example — pay the 1% fee each time, which adds up on high-iteration value-engineering exercises and pushes some teams toward manual take-off software with a flat licence cost.	There is no API and no integration layer, so every board output lives inside Ribat AI's interface — teams that need ideas to flow into Notion, Linear, or Jira copy-paste manually, which breaks for any team running more than occasional sessions. Credit consumption scales with usage volume, not seat count; a team running daily ideation sprints exhausts free-tier credits within days and faces a paid-only ceiling before they have validated the tool's fit with their process. The tool generates a single structured board per prompt and does not support conditional branching, multi-step agent execution, or looping — teams that graduate to workflows where one output should trigger a second AI step move to a pipeline tool like n8n or a dedicated agent framework, because Ribat AI has no path to that capability.

Bottom line

Enormous Buildings and RibatAI are closely matched on pricing model, openness, and API availability — pick by feature set and platform support in the table above.

Frequently asked questions

What is the difference between Enormous Buildings and RibatAI?

Enormous Buildings is Paid, while RibatAI is Paid. Compare pricing, free trial, API, platforms, and pros/cons in the table above on AIDiveForge.

Is Enormous Buildings better than RibatAI?

It depends on your workflow. Use the side-by-side attributes (pricing, open source, API, self-hosted, platforms) to decide. AIDiveForge does not rank a universal winner — we publish verified facts so you can choose.