Kolibri 1 from Aleph Alpha is now on RouterPlus via Munito AI

Kolibri 1, Aleph Alpha's German-English open-weight model, joined the RouterPlus catalog on November 4, 2026, served by Munito AI. Aleph Alpha released the model on October 3, 2026, under the Apache 2.0 licence.

What changed

• Model ID aleph-alpha/kolibri-1 is live in the RouterPlus catalog, with Munito AI as the provider.
• Kolibri 1 is a mixture-of-experts model with 78B total parameters and about 3.5B active per token, trained for German and English.
• It supports up to 1,048,576 tokens of context. Aleph Alpha recommends 262,144 tokens or less for serving efficiency and complex tasks.
• Aleph Alpha lists tool calling and a controllable reasoning mode. Munito AI's docs list reasoning effort low, medium and high, and JSON schema output.
• Munito AI's docs say it serves Kolibri 1 in the EU, at a global price of $0.13 input and $0.51 output per million tokens and an EU-region price of $0.16 and $0.56.

Pricing on RouterPlus

RouterPlus catalog, November 4, 2026, per million tokens:

What to do

curl https://api.routerplus.com/v1/chat/completions \
  -H "Authorization: Bearer $ROUTERPLUS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "aleph-alpha/kolibri-1", "messages": [{"role": "user", "content": "Hello"}]}'

Compare it with other open models on the RouterPlus models page.

Sources

1. Aleph Alpha: Kolibri Has Landed, a sovereign open-weight model (October 3, 2026)
2. Aleph Alpha: Kolibri model information
3. Hugging Face: Aleph-Alpha/Kolibri-1
4. Munito AI docs: Kolibri 1
5. RouterPlus model catalog