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Salamandra 2B

2B European open-source LLM covering 35 languages under Apache 2.0.

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About

Salamandra 2B is the smallest model in the Salamandra family from the Barcelona Supercomputing Center's Language Technologies Unit, described in a technical report released in February 2025. The family includes 2B, 7B and 40B decoder-only models trained from scratch on highly multilingual data spanning 35 European languages plus code.

The corpus was curated exclusively from open-access data, and instruction-tuned chat checkpoints are also released. All models ship under a permissive Apache 2.0 license for both research and commercial use, and the team published its training and evaluation scripts for open science.

Specs

Context window

Pricing

Free quota

API access

Weights

Open weights

Released

February 11, 2025

Benchmarks

Provider-reported unless a source says otherwise. Benchmarks are marketing-adjacent by nature — treat them as directional.

Use cases

multilingual-nlpeuropean-languageschatbotsfine-tuning

Trust score — 7/10

/10 trustMetrics-checked

Scored 7/10 (metrics tier, metrics-v1). Evidence: Verified via vendor site/docs/GitHub and reputable coverage, wave 123; Trending score 66/100 from researcher assessment.

More in the salamandra family

Sources