OpenAI · open weights · medium
OpenAI: gpt-oss-20b
Open weights, so you can run it locally. The published id includes 20B. That label is copied from the id, not measured here. Size class is this site's filter bucket, not a benchmark.
API price, in pounds
- Input, per million
- £0.0134
- Output, per million
- £0.0671
OpenRouter lists $0.0180 in and $0.0900 out per million tokens. Converted at 0.74501 on 2026-11-10. Fetched 2026-11-11. Context length listed as 131,072 tokens.
Sourced local speeds
- 324.2 reply tokens/sec on GeForce RTX 5090, Q4_K_M. Source. Run r_dwp5fgdapmw, marked Measured by llm-speed. Chat-short. No power draw in the row. Page read 11 November 2026.