ALIA 40B Instruct 2601

by Barcelona Supercomputing Center

ALIA-40b-instruct is the instruction-tuned release of Spain's public language model, built by the Language Technologies Lab at the Barcelona Supercomputing Center and trained from scratch on MareNostrum 5, the EuroHPC pre-exascale system BSC hosts. The base model saw 9.83 trillion tokens of curated data across 35 European languages and code, and the 40.4-billion-parameter architecture runs 48 layers with grouped-query attention. The context-extended base supports up to 163,840 tokens, though the window an individual route serves may be shorter. Post-training covers 808k instruction conversations and 368k preference pairs, concentrated on Spanish, Catalan, Basque, Galician, and English. The 2601 checkpoint improves on 2512 with stronger instruction adherence, better resilience to noisy or malformed input, tightened safety alignment, and improved long-context behaviour. Conversations use the ChatML template. Weights, training scripts, and configurations are released under Apache 2.0, with funding from Spain's Ministry for Digital Transformation and support from the Catalan government's Aina project. It fits multilingual assistants, summarisation, and translation work across Iberian and other European languages, particularly where a fully open, publicly funded model is preferred over a commercial one.

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Key info

Input
Output
Features
Context window
33K
Max output
33K
Input price
$0.30 /1M
Output price
$0.60 /1M
  • EU residency available
  • No training by default
  • GDPR DPA available

Available routes

ALIA 40B Instruct 2601 runs on 1 route through the Opper gateway. Compare residency, zero data retention and training posture at a glance, with full data-handling detail per route below.

ProviderRegionZero data retentionTrainingInputOutputCache read
EUNo$0.30$0.60Input price

Data handling per route

Each route hosting ALIA 40B Instruct 2601 has its own privacy posture, residency, and GDPR terms. Postures are maintained by Opper with a last-verification timestamp.

Nextbit Spain🇪🇸

Content is retained: provider logging, 90-day retention. No training on customer data. EU; SCCs; DPA available.

Zero data retention
Retained: provider logging, 90-day retention.
Training
No training on customer data.
Logging
Other (90-day retention)
Abuse monitoring
On by default, holds flagged content
Caching
Content cached for replay
GDPR DPA
DPA available
Transfer mechanism
SCCs

Get started

Call ALIA 40B Instruct 2601 through the Opper gateway with one API key. Opper is drop-in compatible with the OpenAI, Anthropic and Google AI SDKs.

ALIA 40B Instruct 2601 is a premium model on Opper. Sign up needs no credit card: you get an API key straight away and the free models work in the playground and the API. Add a card to use premium models, pay-as-you-go with no minimum.

Set it up with your agent

Copy this and paste it into a coding agent like Claude Code, Cursor or Codex and it'll wire up Opper for you.

Or call it directly

import OpenAI from "openai";
const client = new OpenAI({
apiKey: process.env.OPPER_API_KEY,
baseURL: "https://api.opper.ai/v3/compat",
});
const completion = await client.chat.completions.create({
model: "nextbit/alia-salamandra:40b",
messages: [{ role: "user", content: "Hello" }],
});
console.log(completion.choices[0].message.content);

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