openairouted

gpt-oss-120b

gpt-oss-120b is an open-weight, 117B-parameter Mixture-of-Experts (MoE) language model from OpenAI designed for high-reasoning, agentic, and general-purpose production use cases. It activates 5.1B parameters per forward pass and is optimized...

Get access API reference

model id: gpt-oss-120b

api.heabsy.com · OpenAI SDK

from openai import OpenAI
 
client = OpenAI(
    api_key="hb-...",
    base_url="https://api.heabsy.com/v1",
)
 
r = client.chat.completions.create(
    model="gpt-oss-120b",
    messages=[{"role": "user", "content": "Hello"}],
)

Context

128K tokens

Serving

Global providers · EU contract

Tool calling

Reasoning

Structured output

Vision

Input

$0.11/ 1M

Output

$0.51/ 1M

Gateway price list, synced 2026-08-29. No minimum spend, no subscription.

Bought for you, billed by us

This model is fulfilled through global providers under our European contract: one DPA with an EU company, one invoice for every model in the catalog, no US counterparty on your paperwork. Compute may run outside the EEA — if you need strict EEA-only processing, use our own-hardware model.

13 more models behind the same key and the same invoice.

Browse the catalog