Serenities AI™
OpenAI

GPT-OSS 20B — Benchmark Scores, Pricing & Performance Analysis

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

GPT-OSS 20B 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 20B With

GPT-OSS 20B vs GPT-5.2GPT-OSS 20B vs Claude Opus 4.6GPT-OSS 20B vs Gemini 3.1 ProGPT-OSS 20B vs DeepSeek R1 0528GPT-OSS 20B vs Grok 4

GPT-OSS 20B — Frequently Asked Questions

How fast is GPT-OSS 20B?

GPT-OSS 20B generates output at 312 tokens per second, which is very fast compared to other models. The time to first token is 470 ms.

What is the context window of GPT-OSS 20B?

GPT-OSS 20B 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 20B?

GPT-OSS 20B was created by OpenAI. It is classified as a open source model in the AI Value Index.

Is GPT-OSS 20B open source?

Yes, GPT-OSS 20B is an open-source model. The model weights are publicly available for download and self-hosting.

Back to AI Value Index