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OpenAI
GPT-OSS 20B
Open weightsapache-2.0Released Apr 1, 2026
OpenAI's compact open-weight model with 20 billion parameters. Released under Apache 2.0 license, designed for efficient deployment on consumer hardware while maintaining strong coding and reasoning capabilities.
ChatText completionFunction callingCode generationtext · code
Provider (1)
Sorted by total cost (input + output per 1M tokens). Select a row to view provider details.
| Provider | Pricing (per 1M) | Rate limits | Regions | Health | Latency |
|---|---|---|---|---|---|
| In: $0.50Out: $1.50 | 1K RPM / 1.0M TPM | us-east-1eu-west-1 | Healthy | 0ms |
Quick start
Use this model via OpenAI with an OpenAI-compatible SDK.
import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://api.openai.com/v1",
apiKey: process.env.OPENAI_API_KEY,
});
const response = await client.chat.completions.create({
model: "gpt-oss-20b",
messages: [
{ role: "user", content: "Hello!" }
],
});
console.log(response.choices[0].message.content);Using OpenAI API · OpenAI-compatible SDK