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

LLaMA 3.3 vs GPT-5 nano

Meta
LLaMA 3.3
OpenAI
GPT-5 nano
Overview
CompanyMetaOpenAI
Release dateDec 6 2024Aug 7 2025
AccessOpen WeightProprietary
Specifications
Parameters
70B
Timeline
Release gapLLaMA 3.3 shipped 244 days before GPT-5 nano

Which is better: LLaMA 3.3 or GPT-5 nano?

LLaMA 3.3 and GPT-5 nano don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. LLaMA 3.3 shipped 244 days before GPT-5 nano, so benchmark comparisons should account for the intervening progress.

LLaMA 3.3 is open weight, while GPT-5 nano is proprietary.

Direct benchmark comparisons are unavailable — LLaMA 3.3 and GPT-5 nano don't publish scores on any of the same benchmarks.

Frequently asked questions

LLaMA 3.3 was released by Meta on Dec 6 2024.

GPT-5 nano was released by OpenAI on Aug 7 2025.

LLaMA 3.3 is an open weight model released by Meta. GPT-5 nano is a proprietary model released by OpenAI.

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