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LLM GA Open source

Apertus 70B

Fully open, compliant research model in Europe

Release2025-09
Context66K
Max output—
Parameters70B
Local / VRAM40–48 GB
LicenseOpen source

Overview

Apertus 70B is a model in the LLM category from ETH Zurich / EPFL (Apertus). It was released in 2025-09. The vendor is based in Switzerland. Best for: Fully open, compliant research model in Europe.

Strengths

  • Fully open data
  • Apache-2.0
  • European data sovereignty

Limits

  • 65K context
  • Not frontier-level reasoning

Specifications

VendorETH Zurich / EPFL (Apertus)
CategoryLLM
Release2025-09
StatusGA
LicenseOpen source
License nameApache-2.0
Commercial useAllowed
Parameters70B
Architecturedense transformer
Context window66K
Input modalitiesText
Output modalitiesText
Prompt typesText
Negative promptsNo
Max outputs1
Local deploymentYes
VRAM40–48 GB
System RAM64–128 GB
API accessYes
PricingFree weights
ConfidenceHigh
Vendor countrySwitzerland
Vendor typeResearch

Pricing & hardware

Free weights

This model can be self-hosted or run locally. Approximate GPU memory: 40–48 GB. Approximate system RAM: 64–128 GB. API access is available.

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