GPT OSS 120B API
Run GPT OSS 120B through one production-ready, OpenAI-compatible endpoint. Open general-purpose reasoning.
When to choose GPT OSS 120B
GPT OSS 120B is a strong choice when your product needs open general-purpose reasoning. AIx gives it the same authentication, usage ledger and production API contract as the rest of your model stack.
- General reasoning
- Open-model deployment flexibility
- Low-cost text generation
- General assistants
- Text transformation
- Classification pipelines
Usage
Call it with the same request shape as any model — just set "model": "openai/gpt-oss-120b".
curl https://api.aix.theaimart.co/v1/chat/completions \
-H "Authorization: Bearer $AIX_KEY" \
-H "Content-Type: application/json" \
-d '{ "model": "openai/gpt-oss-120b", "messages": [{"role":"user","content":"hi"}] }'See the Chat API reference for every
parameter and the full response shape. Prices are live from
GET /v1/models; if it changed since this page was
built, the figure above updates in your browser.
Why run GPT OSS 120B on AIx?
Related chat models
GPT OSS 120B API FAQ
How do I use the GPT OSS 120B API?
Create an AIx key, point an OpenAI-compatible client at https://api.aix.theaimart.co/v1 and send openai/gpt-oss-120b as the model id.
What is GPT OSS 120B best for?
GPT OSS 120B is best suited to General assistants, Text transformation, Classification pipelines. Open general-purpose reasoning.
How much does GPT OSS 120B cost on AIx?
The current reference price is $0.6 / 1M tokens. The live AIx catalog is the source of truth and the price on this page updates in the browser.