STACKIT · STACKIT platform · LLM

openai/gpt-oss-20b

Release announcedReleased on Mar 4, 2026

Notice

Release announced

Released on Mar 4, 2026

STACKIT announced this model on 2026-03-04.

Hosting route
STACKIT platform
Affected scope
Not stated in the notice
Announced
Mar 4, 2026
First seen by ModelClock
Oct 4, 2026

What the provider published

docs.stackit.cloud ↗

Entry date: 2026-03-04

We are excited to announce that we are upgrading our model lineup by introducing openai/gpt-oss-20b, which will serve as the successor to our current Mistral-Nemo and Llama 3.1 8B offerings.

By leveraging 4-bit (MXFP4) quantization, this new 20-billion parameter model provides a significant boost in reasoning capabilities while maintaining the low-latency performance our customers expect. Applications such as real-time chatbots, retrieval-augmented generation (RAG), and agentic workflows will benefit from improved tool-calling and higher throughput.

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Same model elsewhere

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openai/gpt-oss-20b release (STACKIT) · ModelClock