📊 Full opportunity report: Minerva. The opposite path. on ThorstenMeyerAI.com — validation score, market gap, and execution plan.

TL;DR

Italy’s Minerva project, built from scratch with extensive native-language data, outperforms multilingual models but scores near chance on Italian academic tests. This reveals the limits of current investment and scale in sovereign LLMs.

Italy’s Minerva-3B, a large language model trained entirely from scratch on 2.5 trillion tokens with approximately 50% Italian content, scored just 4.9% on the INVALSI Italian school-exam benchmark, despite outperforming comparable multilingual models on Italian benchmarks. This stark result underscores the significant challenge of scaling native-language models to handle complex academic tasks, even with substantial investment.

The Minerva project, led by Sapienza University of Rome and supported by Italy’s national research infrastructure, trained models ranging from 350 million to 7 billion parameters. It was built on an open data and code foundation, with the largest model trained on 1.14 trillion Italian tokens, making it one of the most extensive native-language datasets used in European sovereign-LLM efforts.

Despite these efforts, Minerva-3B’s performance on the INVALSI benchmark reveals a critical gap: the model’s ability to handle academically rigorous language tasks remains near chance, even at high parameter counts and large data scales. Researchers have concluded that dataset size and parameters alone are insufficient to ensure proficiency in complex language understanding, especially in specialized domains like education.

Minerva · The Opposite Path.
DISPATCH / MAY 2026 ESSAY · EUROPEAN SOVEREIGN LLMs · MINERVA · ITALIAN
▲ Standalone Essay EU Sovereign AI · Italy · May 2026
Standalone Essay 02 · European Sovereign AI · The Italian Case Study

Minerva.
The opposite
path.

Italy spent years building a European sovereign LLM from scratch. Then Minerva-3B scored 4.9% on the INVALSI Italian school exam.

Where AMÁLIA layered Portuguese specialization onto a multilingual foundation, Minerva trained from scratch on 2.5 trillion tokens with approximately 50% Italian content. Where AMÁLIA’s weights are not yet public, Minerva published weights, training data, and code as truly-open from day one. By every institutional measure, the Italian approach worked. But the empirical results contain a finding the press coverage has been quiet about — and it has implications that extend well beyond Italy.

▲ The structural editorial finding
Minerva and AMÁLIA together demonstrate that the European sovereign-LLM strategic question is not “from scratch or continuation” but “what scale of native-language investment is actually required to produce country-knowledge depth that justifies the national investment.” Italy made the larger investment. The empirical results suggest the investment may still not be enough at the parameter scales these projects are operating at.
— standalone essay 02 · the Minerva case study · may 2026
2.5T
Minerva-7B training tokens · 1.14T Italian + 1.14T English + 200B code
128 GPUs on CINECA Leonardo · weeks of training · ~15 million books equivalent
50%
Italian share of Minerva-7B training data · from scratch
vs typical 90/10 English-dominant multilingual · custom Italian tokenizer · 25% efficiency advantage
4.9%
Minerva-3B INVALSI Italian school exam score
The harder finding · data volume + parameters more crucial than composition alone
15
Named researchers at Sapienza NLP · plus FAIR + CINECA + Babelscape
Roberto Navigli · PNRR funding · MUR project PE0000013-FAIR · template architecture
MINERVA ITALY’S FIRST FROM-SCRATCH LLM · SAPIENZA NLP · ROBERTO NAVIGLI · FAIR + CINECA + LEONARDO · 128 GPUs FAMILY 350M / 1B / 3B / 7B PARAMETERS · MISTRAL ARCHITECTURE · CUSTOM ITALIAN TOKENIZER · TRULY-OPEN WEIGHTS + DATA + CODE INVALSI 4.9% THE FINDING PRESS COVERAGE MISSES · ARXIV 2406.17535 · DATA VOLUME + PARAMETERS > COMPOSITION ALONE vs AMÁLIA ITALY 1.14T ITALIAN TOKENS · PORTUGAL 5.8B pt-PT · ORDER OF MAGNITUDE DIFFERENCE · SAME STRATEGIC PROBLEM TEMPLATE FAIR + CINECA + SAPIENZA NLP + PNRR · REPRODUCIBLE INSTITUTIONAL ARCHITECTURE · GERMANY · FRANCE · SPAIN EQUIVALENTS BITTER LESSON EVEN FROM-SCRATCH 50/50 ISN’T AUTOMATIC AT SMALL SCALE · SOVEREIGN-LLM MOVEMENT NEEDS HARDER DISCOURSE MINERVA 2.5T TOKENS · 50% ITALIAN · 128 GPUs · TRULY-OPEN · 15 NAMED RESEARCHERS · APRIL + NOVEMBER 2024 RELEASES
The two paths · Minerva and AMÁLIA at the architectural level

Same problem. Opposite path.

European sovereign-LLM development has two primary architectural approaches. Italy chose from scratch with substantial native-language foundation. Portugal chose continuation pre-training of a multilingual model. The structural comparison surfaces what each commitment actually requires operationally.

Minerva vs AMÁLIA · architectural comparison
From Sapienza NLP / FAIR / CINECA documentation, AMÁLIA technical report (Vieira et al., arXiv 2603.26511), Hugging Face model cards, and the broader European sovereign-LLM public record.
▲ Dimension
▲ MINERVA · ITALYFrom scratch · 50% Italian
▲ AMÁLIA · PORTUGALContinuation of EuroLLM
Architectural choice
From scratch on Mistral architecture with custom Italian tokenizer
Continuation pre-training of EuroLLM with inherited tokenizer
Native-language tokens
1.14 trillion Italian tokens in 7B · ~50% balance
5.8 billion clearly pt-PT · ~5.5% of mid-training
Total training data
2.5T tokens (7B model) · 660B (3B model)
107B tokens extended pre-training
Compute infrastructure
128 GPUs simultaneously on Leonardo · weeks of training
Compute infrastructure not publicly detailed
Funding
PNRR via MUR project PE0000013-FAIR · much larger total commitment
€5.5M Portuguese government investment
Openness status
Truly-open · weights + data + code from day one
Partially open · only Arquivo.pt scripts public
Tokenizer
Custom Italian · ~25% efficiency advantage on Italian text
EuroLLM tokenizer · multilingual general-purpose
Safety alignment
20,000+ Italian-specific manually curated instructions + Babelscape/ALERT
Synthetic Portuguese + DPO from SFT sub-sampling
Release timing
April 2024 (preview) · November 2024 (7B)
September 2025 (base) · June 2026 (final target)

The comparison is not “Italy did it better than Portugal.” Both projects respond to the same structural problem with different architectural strategies under different institutional and economic constraints. Italy’s national-AI investment is structurally larger by an order of magnitude — and Minerva is the visible artifact of that scale.

The harder finding · what the press coverage misses
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4.9% on INVALSI. The bitter lesson surfaces.

In June 2024, researchers evaluated Minerva-3B on the Italian school-exam benchmark. The result was unambiguous. This is not a critique of Minerva — it is a critique of the public discourse around what Minerva’s empirical results actually demonstrate.

The INVALSI finding · structural empirical anchor
INVALSI is the standardized assessment system Italian students take in school. Real, content-rich, culturally-grounded evaluation specific to Italian educational context. The kind of benchmark that measures what European sovereign LLMs should be optimizing for.
▲ Minerva-3B · INVALSI Italian school exam score
4.9%
Near chance-level performance on the actual academic content tests Italian students take. Even from-scratch 50% Italian on 660B tokens isn’t automatic at small parameter scales.
Source: arXiv 2406.17535 · Disce aut Deficere: Evaluating LLMs Proficiency on the INVALSI Italian Benchmark · June 2024
▲ The researchers’ conclusion · structurally significant
While the pre-training dataset composition is important, the overall size of the dataset and the number of parameters are more crucial for handling complex language tasks.
— INVALSI evaluation researchers · arXiv 2406.17535 · 2024
The bitter lesson in sovereign-LLM context: Rich Sutton’s canonical 2019 finding generalizes. Methods that scale with computation and data tend to win over methods that incorporate human knowledge into model architecture. The implication for sovereign-LLM strategy is that country-knowledge depth at a level that competes with frontier models requires substantially larger parameter counts AND substantially larger training corpora AND substantially more native-language data within those larger corpora. Italy’s investment is closer to the threshold than Portugal’s — but both may be below the threshold at which Position 3 produces empirical results that justify the public investment.
The Minerva family · what Italy actually built
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350M to 7B. Four parameter scales, one architecture.

The Minerva model family covers four parameter tiers, each with specific training corpora. Each scale level reveals what the from-scratch path actually requires at different operating points.

Minerva model family · 350M → 7B parameters
All models based on Mistral architecture with custom Italian tokenizer. All truly-open (weights + data + code). All trained on CINECA’s Leonardo supercomputer using llm-foundry 0.8.0 from MosaicML.
350M
~350M parameters
~70B
Training tokens
Italian + English
Smallest variant. Fast and lightweight. Initial April 2024 preview release.
1B
1B parameters
200B
100B Italian
100B English
Mid-small tier. Sampled from CulturaX. Base and instruct variants. Hugging Face accessible.
3B
3B parameters
660B
~50% Italian
~50% English
The INVALSI variant. 4.9% on Italian school exam. Structural scaling finding.
7B
7.4B parameters · the flagship
2.5T
1.14T Italian + 1.14T English
+ 200B code
The flagship. November 2024 release. Base + instruct variants. 128 GPUs on Leonardo · weeks of training.
The institutional architecture is reproducible. FAIR + CINECA + Sapienza NLP + PNRR funding is a template structurally applicable in other European nations. Germany has Max Planck Institutes and Jülich Supercomputing Centre. France has Inria and CINES/IDRIS. Spain has BSC-CNS. The pattern works — it produced Minerva — and it can produce equivalent projects in other linguistic-cultural contexts where the political will and funding exist.
Three European sovereign-LLM answers · the strategic landscape
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Three answers. Same question.

Minerva, AMÁLIA, and OpenEuroLLM represent the three operational answers to the European sovereign-LLM question. Each makes different architectural and institutional bets. The strategic discourse benefits from treating all three as data points in the same empirical experiment.

Three operational paths · what each commits to
Italy’s national from-scratch path. Portugal’s continuation-on-multilingual path. The pan-European consortium pooled-resources path. The strategic discourse benefits from treating all three as complementary experiments rather than competing national-prestige projects.
▲ ANSWER 01 · ITALY
Minerva · national from-scratch
APPROACH: From scratch · 50% native Italian · custom tokenizer · truly-open · Mistral architecture base
The bet: sovereign-language specialization requires native-language foundation, not native-language finetuning. Deep specialization. Higher compute cost. National-scale institutional investment.
STATUSOperational · 7B released Nov 2024 · continual training ongoing
▲ ANSWER 02 · PORTUGAL
AMÁLIA · national continuation
APPROACH: Continuation pre-training of EuroLLM · 5.5% pt-PT · inherited tokenizer · partial openness
The bet: sovereign-language specialization can be layered on multilingual foundation. Lower cost. Faster deployment. Benefits from multilingual general capability.
STATUSBase operational · final version June 2026 target
▲ ANSWER 03 · PAN-EU
OpenEuroLLM · consortium pooling
APPROACH: 20+ organizations · 24 EU languages · €37.4M EU funding · Charles University + Silo AI lead
The bet: European sovereign-LLM development requires pan-European resource pooling beyond what individual nations can sustain. Largest scale. Slowest deployment. Highest coordination complexity.
STATUSFirst version mid-2026 target · final 2028
Three recommendations · what the Minerva case demonstrates
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Three standards the movement should adopt.

The structural critique generalizes beyond Minerva. The European sovereign-LLM movement benefits from internalizing these lessons across every subsequent national project. Italy modeled the openness standard; the movement should adopt it as norm.

Three structural standards · what the European sovereign-LLM movement should adopt
Each standard emerges from the Minerva case study. Each is operationally significant. Each is already met by some comparable project (Olmo for openness, Minerva itself for benchmark publication, the INVALSI researchers for scaling honesty).
01Openness
Adopt Minerva’s truly-open standard as the operational norm
Truly-open weights + data + code from initial release. Minerva did it. Olmo defined it. The European sovereign-LLM movement’s competitive position against US/Chinese frontier developers depends on operational openness being real, not just marketed.
02Benchmarks
Publish national-curriculum benchmark results explicitly
INVALSI is the kind of evaluation the press coverage doesn’t engage with but that actually measures what sovereign LLMs should be optimizing for. Every European sovereign-LLM project should publish equivalent results. Sweden’s national exam. France’s baccalauréat. Spain’s selectividad. Portugal’s national exams.
03Honesty
Be honest about scaling limits
Minerva-3B’s 4.9% on INVALSI is not a failure of the Minerva project — it is a structural finding about parameter and data scales that the entire European sovereign-LLM movement needs to internalize. The discourse around what individual national LLMs can achieve at currently-accessible scales should be substantially more rigorous than the press coverage has been.

Minerva is one valid answer to the European sovereign-LLM question. AMÁLIA is another. OpenEuroLLM is potentially a third. The strategic discourse benefits from treating all three as data points in the same empirical experiment rather than as competing national-prestige projects. More analysis like this is needed. Not less.

— Standalone Essay 02 · The Minerva case study · May 2026

Implications for European Sovereign-LLM Investment

This development challenges assumptions that larger native-language datasets and models automatically lead to deeper country-specific language understanding. It suggests that European efforts may need to significantly scale their investments beyond current levels to achieve meaningful country-knowledge depth. The results imply that strategic planning must incorporate the reality that current parameter scales may be inadequate for complex language tasks, even with extensive native-language data.

Background of Italy’s Sovereign-Language Model Efforts

Italy’s Minerva project represents a deliberate choice to train a large language model from scratch using a substantial native-language dataset, contrasting with approaches like Portugal’s AMÁLIA, which relies on continuation pre-training. The project was launched in 2024, supported by Italy’s National AI Strategy, and involved a team of 15 researchers and PhD students. It utilized Italy’s CINECA supercomputing infrastructure and aimed to demonstrate the feasibility of sovereign-language models in Europe.

Previous European projects, such as AMÁLIA, layered small amounts of European Portuguese onto multilingual foundations, whereas Minerva prioritized native-language training with a focus on Italian. While Minerva has achieved impressive benchmarks in some areas, its performance on academic content reveals significant limitations, raising questions about the effectiveness of current scaling strategies.

“Despite our extensive native-language training, the model still performs near chance on the INVALSI tests, showing that language understanding at this level demands more than just data and parameters.”

— Research team member

Unresolved Questions About Scale and Effectiveness

It remains unclear what specific architectural or training modifications could significantly improve performance on complex language tasks for sovereign models like Minerva. The exact threshold of data scale and parameter count necessary to achieve meaningful country-specific language understanding is still unknown. Additionally, the implications for future investments and strategic planning in European AI infrastructure are still being debated, as the current results suggest a need for reevaluation of assumptions.

Next Steps in Sovereign-Language Model Development

The Minerva team is continuing to iterate on their methodology, with upcoming experiments planned to test different architectures and training regimes. Further evaluations on domain-specific benchmarks and real-world tasks are expected to clarify whether increased scale or alternative approaches can bridge the current performance gap. Policymakers and researchers will likely reassess investment strategies based on these emerging insights, emphasizing the need for larger native-language datasets and possibly new model architectures.

Key Questions

Why did Minerva score so low on the Italian academic tests?

The evaluation suggests that despite large-scale native-language training, the model lacks sufficient depth in handling complex academic language tasks, indicating that dataset size and parameters alone are insufficient without architectural or domain-specific tuning.

Does this mean sovereign European LLMs are not viable?

Not necessarily. It highlights the need for more investment and possibly different approaches, but current results do not rule out the eventual viability of sovereign LLMs for specialized tasks.

What implications does this have for future AI investments in Europe?

The findings suggest that European AI efforts may need to significantly scale their native-language data and model sizes or adopt new architectures to achieve meaningful country-specific language understanding.

How does Minerva compare to other multilingual models?

Minerva outperforms comparable multilingual models on Italian benchmarks but still struggles with complex academic tasks, indicating that native-language training alone may not suffice without additional scaling or architectural innovations.

What is the significance of this research for broader AI development?

This research underscores that scale and native-language data are critical but not solely sufficient for high-level language understanding, prompting a reevaluation of strategies in both European and global AI initiatives.

Source: ThorstenMeyerAI.com

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