ChatGPT
A practical default for mixed everyday tasks, provided important facts and citations receive a separate review. Verification level not recorded
openai/gpt-oss-20b
Rank #75
openai
openai/gpt-oss-20b
Usage data date 2026-11-13 · updated daily
Usage and specs
Daily rank#75
Daily tokens157.1B
Daily requests42.5M
Daily change
−2.7%
Released
What is openai/gpt-oss-20b
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...
openai/gpt-oss-20b capabilities
Input: Text Output: Text
openai/gpt-oss-20b API pricing
Input · per 1M tokens$0.02
Output · per 1M tokens$0.11
USD list-price snapshot, not independently verified; confirm current pricing and terms on the provider site before purchase.
Tools built on this model
ChatGPT
A practical default for mixed everyday tasks, provided important facts and citations receive a separate review. Verification level not recorded