AI Model Release Tracker - Timeline of Major AI Models from 2022-2026

LLaMA 1 vs gpt-oss-20b

Meta
LLaMA 1
OpenAI
gpt-oss-20b
Overview
CompanyMetaOpenAI
Release dateFeb 24 2023Aug 5 2025
AccessOpen WeightOpen Weight
Timeline
Release gapLLaMA 1 shipped 893 days before gpt-oss-20b

Which is better: LLaMA 1 or gpt-oss-20b?

LLaMA 1 and gpt-oss-20b don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. LLaMA 1 shipped 893 days before gpt-oss-20b, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

Direct benchmark comparisons are unavailable — LLaMA 1 and gpt-oss-20b don't publish scores on any of the same benchmarks.

Frequently asked questions

LLaMA 1 was released by Meta on Feb 24 2023.

gpt-oss-20b was released by OpenAI on Aug 5 2025.

Other comparisons