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GPT OSS 120B
About GPT OSS 120B
GPT OSS 120B is a state-of-the-art, reasoning model with chain-of-thought and adjustable reasoning effort levels built and trained by OpenAI. It is OpenAI's flagship open-weight model that features a 128K token context window. The model is built for high-quality reasoning tasks.
GPT OSS 120B is a chat model by OpenAI, available on Eden AI through 17 endpoints from 14 providers, from $0.03 per million input tokens and $0.17 per million output tokens, with a context window of up to 131K tokens.
Providers and prices
17 endpoints from 14 providers, cheapest first, in USD per million tokens. Every one is called with the same Eden AI key: pin one with its endpoint ID, or let Eden AI route for you. .













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Performance
Measured on real Eden AI traffic over the last 30 days. Endpoints with too little traffic are not shown.
Estimate your monthly cost
Enter your expected volume to compare every endpoint at once.
Call GPT OSS 120B with Eden AI
Use the model ID to let Eden AI pick an endpoint, or an endpoint ID from the table above to pin one.
import requests
response = requests.post(
"https://api.edenai.run/v3/chat/completions",
headers={"Authorization": "Bearer YOUR_EDENAI_API_KEY"},
json={
"model": "",
"messages": [{"role": "user", "content": "Hello!"}],
},
)
print(response.json())
curl https://api.edenai.run/v3/chat/completions \
-H "Authorization: Bearer YOUR_EDENAI_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model": "", "messages": [{"role": "user", "content": "Hello!"}]}'
const response = await fetch("https://api.edenai.run/v3/chat/completions", {
method: "POST",
headers: {
Authorization: "Bearer YOUR_EDENAI_API_KEY",
"Content-Type": "application/json",
},
body: JSON.stringify({
model: "",
messages: [{ role: "user", content: "Hello!" }],
}),
});
console.log(await response.json());
Questions about GPT OSS 120B
On Eden AI, prices for this model start at $0.03 per million input tokens and $0.17 per million output tokens. Prices differ by endpoint; the providers table lists each one. .
Up to 131K tokens, depending on the endpoint.
17 endpoints from 14 providers, available in: Global, Europe, United States. All of them are called with the same Eden AI API key.
Yes. At least one endpoint is hosted in Europe; pin it with its endpoint ID from the providers table to keep requests in the EU.
Over the last 30 days, the fastest first token was 0.22 s (Scaleway (Europe)) and the highest throughput was 395.52 tokens per second (Groq (United States)).
More from OpenAI
Other OpenAI models you can call with the same key.


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