gpt-oss-20b
The spec sheet
Figures as the maker publishes them.
Price
- Input, per 1M tokens
- $0.02
- Output, per 1M tokens
- $0.09
Memory
- Context window
- 131K tokens
- Longest answer
- 33K tokens
Abilities
- Reasoning
- Yes
- Reads images
- No
- Calls tools
- Yes
- Takes in
- text
- Gives back
- text
The model
- Lab
- OpenAI
- Model id
- openai/gpt-oss-20b
- Released
- 5 Aug 2025
- Open weights
- Yes (openai/gpt-oss-20b)
