Model comparison
GPT OSS 20B vs StarCoder2 15B
Capability radar, value bars, and side-by-side posture.
GPT OSS 20B
Not scored
value score
StarCoder2 15B
70
value score
GPT OSS 20B ctx
—
StarCoder2 15B ctx
16K
Capability radar
Value · context · multimodal · openness · speed posture
Value head-to-head
- StarCoder2 15B70
Attribute tape
| Field | GPT OSS 20B | StarCoder2 15B |
|---|---|---|
| Developer | Hugging Face | Hugging Face |
| Context | — | 16K |
| Modalities | Text-generation | Text, Code |
| Openness | — | Open Weights |
| Speed | — | — |
| Price | — | — |
| Value score | — | 70 |
| Summary | GPT OSS 20B is an open-weight, text-only reasoning model from OpenAI with approximately 21B total parameters and 3.6B active parameters per token via mixture-of-experts architecture, released under Apache 2.0. It supports tool use, structured outputs, and agentic workflows with a 128k context window, designed for local or edge deployment on consumer hardware. | BigCode open coding model on Hugging Face. |