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

Code Llama vs GPT-5.4 nano

Meta
Code Llama
OpenAI
GPT-5.4 nano
Overview
CompanyMetaOpenAI
Release dateAug 24 2023Mar 17 2026
AccessOpen WeightProprietary
Benchmarks
Nonsense detection
BullshitBench v2
14%
Timeline
Release gapCode Llama shipped 936 days before GPT-5.4 nano

Which is better: Code Llama or GPT-5.4 nano?

Code Llama and GPT-5.4 nano don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Code Llama shipped 936 days before GPT-5.4 nano, so benchmark comparisons should account for the intervening progress.

Code Llama is open weight, while GPT-5.4 nano is proprietary.

Direct benchmark comparisons are unavailable — Code Llama and GPT-5.4 nano don't publish scores on any of the same benchmarks.

Frequently asked questions

Code Llama was released by Meta on Aug 24 2023.

GPT-5.4 nano was released by OpenAI on Mar 17 2026.

Code Llama is an open weight model released by Meta. GPT-5.4 nano is a proprietary model released by OpenAI.

Other comparisons