ChatGPT
Best for people or teams exploring chat and assistance; not suitable for high-risk decisions without human review and current official terms. Verification level not recorded ·
openai/gpt-oss-20b
Rank #52
openai
openai/gpt-oss-20b
Usage data date 2026-09-13 · updated daily
Usage and specs
Daily rank#52
Daily tokens235.5B
Daily requests57.2M
Daily change
−43.1%
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$0.05
Output · per 1M tokens$0.20
USD list-price snapshot, not independently verified; confirm current pricing and terms on the provider site before purchase.
Tools built on this model
ChatGPT
Best for people or teams exploring chat and assistance; not suitable for high-risk decisions without human review and current official terms. Verification level not recorded ·
GPT-4
Best for people or teams exploring model training and use; not suitable for high-risk decisions without human review and current official terms. Verification level not recorded ·
StudyCorgi ChatGPT Detector
Suitable for students and teachers who need a free, fast way to screen essays and assignments; not suitable for users who must scan very long documents or batches of files. Verification level not recorded ·