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Tirant's SOFIA vs AI Maestro: why they are not the same thing

SOFIA 3.0 is Tirant lo Blanch's legal AI, presented in Costa Rica in May 2026. AI Maestro is not an alternative to SOFIA: it is the program that determines what share of your firm's work SOFIA covers, and what to do with the rest.

First, the premise

If your firm just contracted SOFIA, this page is not here to argue with that decision. SOFIA is a solid product from a legal publisher with decades of Spanish-language legal corpus behind it, and a Costa Rican firm that bought it after May's Legal AI Summit bought something real. What this page clarifies is different: SOFIA and AI Maestro do not occupy the same category, and evaluating them as competitors leaves a firm with half the work undone.

What is SOFIA de Tirant lo Blanch?

SOFIA 3.0 is Tirant lo Blanch's legal artificial intelligence. It is built on the publisher's own document corpus, takes natural-language questions, and is sold to lawyers, notaries, judges, in-house teams and legal advisors. It is available in Spain and several Latin American countries, adapted to each jurisdiction's regulation and case law, and positions itself as the most specialized alternative in the Spanish-speaking market. Tirant formally presented it to the Costa Rican market at the Legal AI Summit in San José on May 13, 2026, at the Hotel Parque del Lago.

Who it works best for

Spanish-speaking firms that need legal research over local regulation and case law, backed by a publisher corpus adapted to the jurisdiction.

What SOFIA de Tirant lo Blanch covers

  • Natural-language queries over the jurisdiction's regulation and case law
  • Legal research backed by the Tirant lo Blanch document corpus
  • Country-level adaptation, which matters if you practice in Costa Rica and not in Spain
  • A Spanish-language entry point, without the friction of an English-first tool

What falls outside its scope

This is not a list of flaws. It is the category boundary: no software platform is designed to do what follows.

  • It does not map your firm's processes. SOFIA answers legal questions; it does not know how a matter enters your firm or where it gets stuck.
  • It does not train your team beyond using the product itself. Knowing how to query SOFIA is not the same as having AI fluency applied to the firm's work.
  • It does not cover the non-legal operation: intake, deadline control, billing, internal document management, client reporting.
  • It does not draw the line between what a model can assist with and what demands professional judgment, confidentiality and attorney-client privilege. That decision stays with the firm.

What happens after the purchase

The license is not the hard part

Buying the tool is an afternoon decision. Getting the team to change how it works is a months-long project, and it is the one almost nobody runs. The numbers below are third-party, not ours.

84%

of companies have not redesigned a single role around AI

Deloitte, January 2026. Survey of 3,235 C-suite leaders across 24 countries.

78%

use AI, and more than 80% see no measurable impact on operating profit

McKinsey, April 2026.

37%

use it superficially. Only 34% are in deep transformation

Deloitte, January 2026.

The electric factory analogy

In the 1890s factories swapped steam engines for electric motors and left the floor plan untouched, still built around the old central transmission shaft. Productivity barely moved for thirty years, until someone redesigned the factory around the flow of the work instead of the shaft. Most firms with an AI license today have swapped the motor and left the layout alone.

So what is AI Maestro?

AI Maestro is a two-month discovery program, not a product. We map how your team actually works, train people in AI fluency, rank the opportunities by impact and risk, and close with a Go/No-Go gate that decides whether building anything is worth the investment. Sometimes the conclusion is that a task does not need AI at all, and that answer is a deliverable too.

How they fit together

SOFIA covers legal research. A law firm is considerably more than its legal research. AI Maestro works on that difference, and on the adoption of what you already bought.

01

Measuring what share of the work SOFIA covers

The Process Reality Map shows how much of your team's time is legal research and how much is everything else. In most firms, research is not the largest part.

02

Getting the whole firm to use it, not only whoever asked for it

Role-by-role training anchored in real matters. A tool used by two people out of fifteen did not change the firm's productivity, it changed two people's.

03

Working the rest of the operation

The opportunity ranking evaluates every process by ethical risk, impact and complexity, and sometimes concludes that the right answer is not AI but a classic automation or a process redesign. That honesty is part of the deliverable.

AI Maestro for law firms

If the context is legal, the version of the program applied to the work of lawyers and paralegals, with the confidentiality and privilege boundary drawn from Stage 1, lives on its own page.

See AI Maestro for law firms

Frequently asked questions

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