Minerva. The opposite path.

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

TL;DR

Italy’s Minerva-3B, a European sovereign LLM trained from scratch on extensive Italian data, achieved low performance on Italian academic benchmarks, highlighting the importance of scale in language models. This challenges assumptions about investment sufficiency.

Italy’s Minerva-3B, a large-scale sovereign language model trained from scratch on 2.5 trillion tokens with approximately 50% Italian content, scored just 4.9% on the INVALSI Italian school-exam benchmark, highlighting significant challenges in achieving language-specific knowledge depth despite substantial investment.

The Minerva project, led by Sapienza University of Rome and supported by Italy’s national research and supercomputing infrastructure, trained models ranging from 350 million to 7 billion parameters. Despite the extensive training data and dedicated infrastructure, Minerva-3B’s performance on the Italian academic benchmark was near chance, with a score of only 4.9%. This result contrasts sharply with the model’s impressive technical metrics and performance on other Italian benchmarks, indicating that scale alone may not suffice for complex language understanding tasks.

Researchers have concluded that while dataset composition and size are important, the overall number of parameters and training scale are critical for handling complex language tasks. The findings suggest that even substantial native-language investment may not produce the expected depth of country-specific knowledge at current model sizes, prompting a re-evaluation of strategic investment levels in European sovereign-LM projects.

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 of Scale and Investment in Sovereign LLMs

The low performance of Minerva-3B on academic tests raises questions about the adequacy of current investment levels in European sovereign language models. It suggests that to develop models with genuine country-specific expertise, European projects may need to significantly increase their scale and resource commitments. This challenges the narrative that smaller, locally trained models can suffice for national language understanding and emphasizes the importance of large-scale data and parameters for complex language comprehension.

These findings impact policy and strategic decisions across Europe, as they highlight potential limitations of current approaches and the need for a more realistic understanding of the scale required to produce truly effective language models tailored to national languages and knowledge.

Italy’s Strategy and the Scale of Language Model Development

Italy’s Minerva project represents a deliberate choice to train a language model from scratch on a vast corpus of Italian data, utilizing national infrastructure and funding. This approach contrasts with other European efforts like Portugal’s AMÁLIA, which opted for continuation training on multilingual foundations. Despite the significant investment—2.5 trillion tokens, 128 GPUs on the Leonardo supercomputer, and open weights—the empirical results reveal limitations in the depth of language understanding achievable at current scales.

Previous efforts have often assumed that native-language data and increased parameters would naturally lead to better performance. However, Minerva’s results suggest that scale alone may not be sufficient, and that the structural and resource commitments need to be substantially larger to realize the desired country-specific expertise.

“Even with extensive training on Italian data, the model’s performance on academic benchmarks remains near chance, indicating the need for larger models or different strategies.”

— Research team member, Orlando et al., CLiC-it 2024

Unresolved Questions About Model Scaling and Effectiveness

It remains unclear whether increasing the number of parameters, training data, or both will significantly improve Minerva’s performance on complex language tasks. The ongoing research aims to determine the scale necessary to produce meaningful country-specific knowledge, but definitive thresholds have not yet been established.

Additionally, the generalizability of these findings to other European languages and models is still under investigation, and the optimal balance between data, parameters, and architecture remains an open question.

Future Research and Scaling Efforts for European Sovereign LLMs

The Minerva team is continuing to iterate on training methodologies, including ongoing projects with larger models and refined datasets. Researchers aim to test whether further scaling can bridge the knowledge gap observed in academic benchmarks. Policy discussions are also expected to consider whether current investments are sufficient for developing truly effective country-specific language models.

Further empirical results and model releases are anticipated over the next 12-18 months, which will clarify whether increased scale can produce the desired depth of country-specific expertise.

Key Questions

Why did Minerva perform poorly on Italian academic tests despite extensive training?

Research indicates that dataset size and number of parameters are critical for complex language understanding. Despite large-scale training, Minerva’s current scale may be insufficient to develop deep country-specific knowledge, especially for academic content.

Does this mean European sovereign LLMs are ineffective?

Not necessarily. The results highlight that current models at existing scales face limitations. Increasing investment and scaling may be needed to achieve meaningful performance on complex tasks.

What are the implications for European AI policy?

Policymakers may need to reconsider funding levels and infrastructure support, emphasizing larger-scale models and more extensive data collection to develop effective national language models.

Is the low performance specific to Italian or applicable to other languages?

While the findings are specific to Italian in this context, similar challenges could arise for other languages, especially those with less extensive training data or smaller model sizes. Further research is needed.

Source: ThorstenMeyerAI.com

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