SFAI / MODEL PROFILE
OpenAI: gpt-oss-20b (batch)
gpt-oss-20b is an open-weight 21B parameter model released by OpenAI under the Apache 2.0 license. It uses a Mixture-of-Experts (MoE) architecture with 3.6B active parameters per forward pass, optimized for...
- Developer
- openai
- Input modalities
- text
- Output modalities
- text
- Context tokens
- 131,072
- Latest price observation
- 2026-09-27
- Lowest paired standard token quote
- $0.024 input / $0.112 output per 1M tokens
Dated price and provider records
| Provider and channel | Input | Output or native rate | Unit and status | Source and observation |
|---|---|---|---|---|
| Automatic routingopenrouter | $0.024 | $0.112 | 1M tokenspriced · USD | openrouter2026-09-27 |
These are dated, non-executable observations. Verify the exact endpoint, price and terms with the source before use. Unknown values are not free.