GPT OSS 20B
OpenAI
- Context window
- 131K 131,072 tokens
- Max output
- 131K 131,072 tokens
- Input / Output
- text → text
Timeline
- · Open weights · evidence link
Specifications
GPT OSS 20B is a model from OpenAI with open weights, first recorded on 17 Sep 2026; its release date is not established. The context window is 131,072 tokens. The maximum output is 131,072 tokens.
- Context window
- 131,072
- Max output
- 131,072
- Input
- text
- Output
- text
- Weights
- Open
Questions
What is the context window of GPT OSS 20B?
The context window is 131,072 tokens. The maximum output is 131,072 tokens.
Are the weights of GPT OSS 20B publicly available?
Yes. OpenAI publishes the weights.
When was GPT OSS 20B released?
Its release date is not established. Signal Forge first recorded it on 17 Sep 2026.