GPT-oss-20BOpen
OpenAI · released Apr 15, 2026
Compact open-weights model from OpenAI for fast, cheap inference.
22.0
Podium Score
#462 of 673
—
Arena Elo
90 t/s
Output Speed
$0.2/M
Output Price
$0.05/M in
131K
Context Window
Scores by Source
Category Scores
context60.0
longContext50.0
arena50.0
⚡ Speed40.0
safety37.0
instruction37.0
intelligence34.0
📚 Knowledge32.0
💰 Value32.0
🧠 Reasoning29.0
💻 Coding27.0
👁️ Multimodal25.0
agents25.0
Benchmark Results
Intelligence[object Object]%
Coding[object Object]%
Reasoning[object Object]%
Multimodal[object Object]%
Knowledge[object Object]%
Agents[object Object]%
Safety[object Object]%
Instruction[object Object]%
Value[object Object]%
Speed[object Object]%
Context[object Object]%
LongContext[object Object]%
Arena[object Object]%
Model Details
| Release date | Apr 15, 2026 |
|---|---|
| Parameters | 20B |
| License | Open Weights |
| Context Window | 131,000 tokens |
| Input Price | $0.05/M |
| Output Price | $0.2/M |
| Output Speed | 90 t/s |
| Time to First Token | — |