OpenAI: gpt-oss-20b (free)

Description

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...

Availability

Pricing for this model is operator-dependent. Open the chat to route a request — the response includes the resolved per-token cost.

Modalities