gpt-oss-20b-free · Openai
Developed by OpenAI, gpt-oss-20b-free is an open-weight 21B parameter model released under the Apache 2.0 license. This model utilizes a Mixture-of-Experts (MoE) architecture with 3.6B active parameters per forward pass. It supports an expansive context window of up to 131,072 tokens, making it well-suited for long-context tasks.
Developed by OpenAI, gpt-oss-20b-free is an open-weight 21B parameter model released under the Apache 2.0 license. This model utilizes a Mixture-of-Experts (MoE) architecture with 3.6B active parameters per forward pass. It supports an expansive context window of up to 131,072 tokens, making it well-suited for long-context tasks.
GPT Oss 20B (free) has a 131,072 token context window. It supports up to 131,072 output tokens.
GPT Oss 20B (free) accepts text input.
GPT Oss 20B (free) supports reasoning, tool calling and long context. Per-protocol parameter support is listed in the capability table on this page.
GPT Oss 20B (free) is available through the AIHubMix unified API. The API is OpenAI-compatible: point your OpenAI SDK at https://aihubmix.com/v1, use your AIHubMix API key, and set the model name to gpt-oss-20b-free — no other code changes needed.
GPT Oss 20B (free) is developed by Openai. AIHubMix aggregates it alongside models from other providers behind one API and one bill.
Paid version: gpt-oss-20b
Use GPT Oss 20B (free) via the AIHubMix unified API — one interface for every major LLM.