# Hippo Token — Open Hippo

> German-hosted, OpenAI-compatible LLM API. Pay per token, no minimums. GDPR-compliant, CO₂-neutral.

Hippo Token is a managed LLM API service operated by Open Hippo GmbH (Augsburg, Bavaria, Germany). Models run on our own hardware inside the LEW Green Data Center — 100% renewable energy, German jurisdiction, no data transfer to the US or third countries.

## API

**Base URL:** `https://api.openhippo.io/v1`

**Compatibility:** OpenAI API (drop-in replacement — change one URL, keep your existing SDK and integrations)

**Authentication:** Bearer token via `Authorization: Bearer YOUR_API_KEY`

**Console / API keys:** https://console.openhippo.io

**Quick start:**
```python
from openai import OpenAI

client = OpenAI(
    base_url="https://api.openhippo.io/v1",
    api_key="YOUR_API_KEY",
)

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

## Supported Endpoints

- `POST /v1/chat/completions` — chat, tool calls, streaming (SSE)
- `POST /v1/completions` — text completion
- `POST /v1/embeddings` — text embeddings
- Streaming supported on all generation endpoints

## Available Models

### openai/gpt-oss-120b
OpenAI's 120B open-source model. Best-in-class reasoning, instruction following, and tool use at scale. Ideal for agentic workflows.

### zai-org/GLM-OCR (THUDM/glm-ocr)
Vision and OCR model. Extracts text, tables, and structured data from images and PDFs with high accuracy. Ideal for document automation pipelines.

### Qwen/Qwen3.6-27B
Qwen's 27B open-source model. Exceptional coding performance comparable to Claude Sonnet. Strong output quality across a broad range of tasks.

*Catalogue updated continuously. A purpose-built coding model is coming soon.*

## Pricing

Pay per token, no seat licences, no minimum spend. Pricing displayed live in the console at https://console.openhippo.io.

## Infrastructure

- **Data center:** LEW Green Data Center, Augsburg, Bavaria, Germany
- **Energy:** 100% renewable (River Lech hydropower)
- **PUE:** 1.2
- **Jurisdiction:** German law — not subject to US Cloud Act
- **Compliance:** GDPR, EU AI Act ready
- **Stack:** vLLM (inference engine), LiteLLM (API gateway) — fully open source

## No Vendor Lock-in

Every component is open source. Export the exact stack we run (vLLM + LiteLLM + model weights from Hugging Face) and self-host on your own hardware at any time — no rewriting, no migration effort.

## Company

Open Hippo GmbH — Werner-von-Siemens-Str. 6, 86159 Augsburg, Germany

**Founder:** Dr. Thomas Fraunholz (CUDA expert, PyData / PyCon speaker)

**Contact:** https://calendly.com/openhippo/letstalk

**LinkedIn:** https://www.linkedin.com/company/openhippo