Unverified50% confidenceFactExact time

gpt-oss:20b is an open-weight reasoning model released by OpenAI in 2025, using a MoE architecture, with about 21 billion total parameters, about 3.6 billion activated parameters, and support for adjustable reasoning effort.

1

Sources

50%

Confidence

Long-term

Relevance

10/16/2026

First Seen

Sources

Why Open-Source LLMs Lose to Tiny Networks in Among Us Voting

rss10/16/2026

Related Entities

gpt-oss:20bmodel OpenAIcompany

Related Claims

VerifiedGPT-4采用混合专家（MoE）架构，估计总参数量达1.8万亿，每次推理实际激活参数约为总量的1/877% similar VerifiedGPT-5.5是OpenAI于2025年中期发布的模型，相比GPT-4o在推理深度和上下文理解方面有显著提升76% similar Unverified2020年OpenAI的GPT-3以1750亿参数验证了规模定律（Scaling Law），即模型能力随参数量、数据量和算力增长呈现可预测的幂律提升74% similar

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