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AI Foundation Services

The sovereign European AI platform by T-Systems. Run 30+ open-source and proprietary LLMs through an OpenAI-compatible API, with sovereign EU hosting for open-source models. Switch from OpenAI with one line of code. See Enterprise Trust for the full data-handling model.

EU Data SovereigntyISO 27001 CertifiedOpenAI Compatible

Get Free API Key Request a trial API key to start building.

Quickstart Guide Get up and running in under 5 minutes.

Try It Now

Drop in your API key and start building — the API is identical to OpenAI’s. Prefer to click rather than curl? Try the LLM Playground — same models, no setup required.

curl -X POST "https://llm-server.llmhub.t-systems.net/v2/chat/completions" \
  -H "Authorization: Bearer $OPENAI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-oss-120b",
    "messages": [{"role": "user", "content": "Hello from AIFS"}]
  }'

from openai import OpenAI

client = OpenAI(base_url="https://llm-server.llmhub.t-systems.net/v2")

response = client.chat.completions.create(
    model="gpt-oss-120b",
    messages=[{"role": "user", "content": "Hello from AIFS"}],
)
print(response.choices[0].message.content)

import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://llm-server.llmhub.t-systems.net/v2",
});

const response = await client.chat.completions.create({
  model: "gpt-oss-120b",
  messages: [{ role: "user", content: "Hello from AIFS" }],
});
console.log(response.choices[0].message.content);

Available Models (38)

d3 – Preview

Cloud: T-Cloud Server Location: Germany Data Processing: Germany

DiffusionGemma 26B A4B – Preview

Cloud: T-Cloud Server Location: Germany Data Processing: Germany

GLM 5.3

Cloud: T-Cloud Server Location: Germany Data Processing: Germany

Qwen3-Reranker-4B

Cloud: T-Cloud Server Location: Germany Data Processing: Germany

LightOnOCR-3-4B

Cloud: T-Cloud Server Location: Germany Data Processing: Germany

PaddleOCR-VL-1.6

Cloud: T-Cloud Server Location: Germany Data Processing: Germany

GLM 5.3 Flash

Cloud: T-Cloud Server Location: Germany Data Processing: Germany

NVIDIA Nemotron 3 Super 120B FP8

Cloud: T-Cloud Server Location: Germany Data Processing: Germany

Gemma 4

Cloud: T-Cloud Server Location: Germany Data Processing: Germany

Mistral Small 4

Cloud: T-Cloud Server Location: Germany Data Processing: Germany

GPT-OSS 120B

Cloud: T-Cloud Server Location: Germany Data Processing: Germany

Qwen 3.8 27B FP8

Cloud: T-Cloud Server Location: Germany Data Processing: Germany

Qwen 3.6 35B FP8

Cloud: T-Cloud Server Location: Germany Data Processing: Germany

Gemini 3 Flash

Cloud: GCP Server Location: Worldwide Data Processing: Worldwide

Gemini 3 Pro Image

Cloud: GCP Server Location: Worldwide Data Processing: Worldwide

BGE-M3

Cloud: T-Cloud Server Location: Germany Data Processing: Germany

Ada Text Embedding

Cloud: Azure Server Location: France Data Processing: EU

Qwen3 Embedding 8B

Cloud: T-Cloud Server Location: Germany Data Processing: Germany

Jina Embeddings v2 Base DE

Cloud: T-Cloud Server Location: Germany Data Processing: Germany

Whisper Large v3

Cloud: T-Cloud Server Location: Germany Data Processing: Germany

Whisper Large v3 Turbo

Cloud: T-Cloud Server Location: Germany Data Processing: Germany

Claude Fable 5.1

Cloud: GCP Server Location: Europe Data Processing: EU

Claude Haiku 5.5 (>100k)

Cloud: GCP Server Location: Europe Data Processing: EU

Claude Haiku 5.5 (≤100k)

Cloud: GCP Server Location: Europe Data Processing: EU

Claude Opus 5.5

Cloud: GCP Server Location: Europe Data Processing: EU

Claude Sonnet 5.5

Cloud: GCP Server Location: Europe Data Processing: EU

Gemini 3.5 Flash

Cloud: GCP Server Location: Worldwide Data Processing: Worldwide

Gemini 3.8 Flash

Cloud: GCP Server Location: Worldwide Data Processing: Worldwide

Gemini 4 Argon

Cloud: GCP Server Location: Worldwide Data Processing: Worldwide

GPT Image 2

Cloud: Azure Server Location: Sweden Data Processing: EU

GPT-5.6 Sol

Cloud: Azure Server Location: Sweden Data Processing: EU

GPT-5.6 Terra

Cloud: Azure Server Location: Sweden Data Processing: EU

GPT-6 Astra (>272k)

Cloud: Azure Server Location: Sweden Data Processing: EU

GPT-6 Astra (≤272k)

Cloud: Azure Server Location: Sweden Data Processing: EU

GPT-6 Luna (>272k)

Cloud: Azure Server Location: Sweden Data Processing: EU

GPT-6 Luna (≤272k)

Cloud: Azure Server Location: Sweden Data Processing: EU

GPT-6.1 Sol (>272k)

Cloud: Azure Server Location: Worldwide Data Processing: Worldwide

GPT-6.1 Sol (≤272k)

Cloud: Azure Server Location: Worldwide Data Processing: Worldwide