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OpenAI · Language Model

gpt-oss-20b

gpt-oss-20b is an open-weight 21B parameter model released by OpenAI under the Apache 2.0 license.

131,072 tokens

Overview

gpt-oss-20b is an open-weight 21B parameter model released by OpenAI under the Apache 2.0 license.

gpt-oss-20b is available in OmnyChat. 131,072 token context window.

Key capabilities

  • 131,072 token context window

Using this model

In OmnyChat

Use gpt-oss-20b in OmnyChat and compare its results with other language models on the same task.

Best for: Chat and comparing answers on your own prompts.

Frequently asked questions

How do I use gpt-oss-20b?

Open chat in OmnyChat and select gpt-oss-20b. Model access and usage depend on your plan.

What does gpt-oss-20b support in OmnyChat?

131,072 token context window.

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