GPT-OSS 120B — Free AI Model & API

groq/openai-gpt-oss-120b-2
chat coding
Get API key →
Context Window 131K
Max Output 0
Rate Limit See provider page
Cost $0.00 FREE
Free Period Since May 20, 2026
Credit Card Not required
Status Online

Overview

Model ID
openai/gpt-oss-120b
Base URL
https://api.groq.com/openai/v1
Specifications
Context: 131K · Output: 0 · Modality: text · OpenAI Compat: Yes

Quick Start

Integrate GPT-OSS 120B with 3 lines of code. See the config generator for Claude Code, Cursor, and more.

from openai import OpenAI

client = OpenAI(
 base_url="https://api.groq.com/openai/v1",
 api_key="YOUR_API_KEY"
)

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

const openai = new OpenAI({
 baseURL: "https://api.groq.com/openai/v1",
 apiKey: "YOUR_API_KEY",
});

const completion = await openai.chat.completions.create({
 model: "openai/gpt-oss-120b",
 messages: [{ role: "user", content: "Hello!" }],
});

console.log(completion.choices[0].message.content);
curl https://api.groq.com/openai/v1/chat/completions \
 -H "Content-Type: application/json" \
 -H "Authorization: Bearer YOUR_API_KEY" \
 -d '{
 "model": "openai/gpt-oss-120b",
 "messages": [{"role": "user", "content": "Hello!"}]
 }'

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Rate Limits & Constraints

Rate Limit See provider page
Context Window 131K
Max Output Tokens 0
Cost Free — since May 20, 2026
Credit Card Not required
OpenAI Compatible Yes — drop-in replacement

Groq Platform Limitations

  • Rate limits vary significantly by model — check per-model limits
  • Some models have token-per-minute caps in addition to RPM
  • LPU availability may cause queuing during peak usage

Features & Use Cases

Best For

ChatCoding

Modality Support

text

Groq Highlights

  • Ultra-fast inference (~2,600 tok/s)
  • Free tier: 14,400 RPD for most models
  • Supports Llama 4, Qwen3, DeepSeek-R1
  • OpenAI-compatible

Playground — Test GPT-OSS 120B

Test GPT-OSS 120B directly in your browser. Your API key is sent directly to Groq — never stored.

Model: GPT-OSS 120B Get Key

🔒 Your key is never stored — sent directly to the model provider via our server proxy.

Ready to chat with GPT-OSS 120B.

Frequently Asked Questions

How do I get an API key for GPT-OSS 120B?

Sign up at Groq to get your API key. No credit card is required — just an email sign-up. Once you have the key, use the code snippets in the Quick Start section above.

Is GPT-OSS 120B really free?

Yes. GPT-OSS 120B is available on Groq's free tier and has been free since May 20, 2026. Rate limits apply: See provider page. Always check the provider's terms for any changes to the free tier.

What are GPT-OSS 120B's rate limits?

See provider page Context window: 131K. Max output: 0. No credit card required.

What are the best free alternatives to GPT-OSS 120B?

Popular free alternatives include inclusionAI: Ring-2.6-1T, Baidu Qianfan: CoBuddy (free), Owl Alpha. You can also browse all 147+ free models on our site.

More questions? See our full FAQ →

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