Serenities AI™
OpenAI

GPT-OSS 120B — Benchmark Scores, Pricing & Performance Analysis

OPEN SOURCEOpenAI
Output Speed
339 tok/s
Context Window
131K

GPT-OSS 120B by OpenAI demonstrates fast output speed. View detailed benchmark data including scores across coding, math, reasoning, speed, and cost metrics.

Context Benchmarks

Context Length
131K
OpenRouter API

Compare GPT-OSS 120B With

GPT-OSS 120B vs GPT-5.2GPT-OSS 120B vs Claude Opus 4.6GPT-OSS 120B vs Gemini 3.1 ProGPT-OSS 120B vs DeepSeek R1 0528GPT-OSS 120B vs Grok 4

GPT-OSS 120B — Frequently Asked Questions

How fast is GPT-OSS 120B?

GPT-OSS 120B generates output at 339 tokens per second, which is very fast compared to other models. The time to first token is 440 ms.

What is the context window of GPT-OSS 120B?

GPT-OSS 120B has a context window of 131K tokens. This determines how much text, conversation history, and code the model can process in a single request.

Who created GPT-OSS 120B?

GPT-OSS 120B was created by OpenAI. It is classified as a open source model in the AI Value Index.

Is GPT-OSS 120B open source?

Yes, GPT-OSS 120B is an open-source model. The model weights are publicly available for download and self-hosting.

Back to AI Value Index