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Cerebras

Cerebras serves 1 model on LLM API: GPT OSS 120B from OpenAI.

Models and prices

Prices when Cerebras serves the request.

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Text models on Cerebras and their prices on LLM API

GPT OSS 120B`cerebras/gpt-oss-120b`	$0.35	$0.75	$0.35	131K

Send requests to Cerebras

Put cerebras/ before a model ID and the request goes to Cerebras. If Cerebras’s uptime over the last 5 minutes is below 90%, it goes to another provider of the model, unless it sends X-No-Fallback: true. Routing docs

Example: GPT OSS 120B

POST /v1/chat/completionsSet LLMAPI_KEY to your LLM API key.Chat Completions docs

import os

from openai import OpenAI

client = OpenAI(
    base_url="https://api.llmapi.ai/v1",
    api_key=os.environ["LLMAPI_KEY"],
)

response = client.chat.completions.create(
    model="cerebras/gpt-oss-120b",
    messages=[{"role": "user", "content": "Hello"}],
)
print(response.choices[0].message.content)

import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://api.llmapi.ai/v1",
  apiKey: process.env.LLMAPI_KEY,
});

const response = await client.chat.completions.create({
  model: "cerebras/gpt-oss-120b",
  messages: [{ role: "user", content: "Hello" }],
});
console.log(response.choices[0].message.content);

curl https://api.llmapi.ai/v1/chat/completions \
  -H "Authorization: Bearer $LLMAPI_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "cerebras/gpt-oss-120b",
    "messages": [{"role": "user", "content": "Hello"}]
  }'

Prices synced November 13, 2026.