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

LLaMA 1 vs GPT-4.1 nano

Meta
LLaMA 1
OpenAI
GPT-4.1 nano
Overview
CompanyMetaOpenAI
Release dateFeb 24 2023Apr 14 2025
AccessOpen WeightProprietary
Specifications
Context window
1M
Timeline
Release gapLLaMA 1 shipped 780 days before GPT-4.1 nano

Which is better: LLaMA 1 or GPT-4.1 nano?

LLaMA 1 and GPT-4.1 nano don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. LLaMA 1 shipped 780 days before GPT-4.1 nano, so benchmark comparisons should account for the intervening progress.

LLaMA 1 is open weight, while GPT-4.1 nano is proprietary.

Direct benchmark comparisons are unavailable — LLaMA 1 and GPT-4.1 nano don't publish scores on any of the same benchmarks.

Frequently asked questions

LLaMA 1 was released by Meta on Feb 24 2023.

GPT-4.1 nano was released by OpenAI on Apr 14 2025.

LLaMA 1 is an open weight model released by Meta. GPT-4.1 nano is a proprietary model released by OpenAI.

Other comparisons