gpt-oss-20b by Weights & Biases — Specs, Pricing & Capabilities | whichllm

Model ID openai/gpt-oss-20b

Provider Weights & Biases

Family gpt-oss

Status -

Knowledge Cutoff -

Release Date 2025-08-05

Input Modalities text

Output Modalities text

Context Window 131072

Input Limit -

Output Limit 131072

Tool Calling Yes

Reasoning No

Structured Output Yes

Temperature Control Yes

Open Weights No

Input Cost / 1M tokens $0.05

Output Cost / 1M tokens $0.20

Reasoning Cost / 1M tokens -

Cache Read Cost / 1M tokens -

Cache Write Cost / 1M tokens -