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

Code Llama vs o4-mini

Meta
Code Llama
OpenAI
o4-mini
Overview
CompanyMetaOpenAI
Release dateAug 24 2023Apr 16 2025
AccessOpen WeightProprietary
Benchmarks
Nonsense detection
BullshitBench v2
8%
Timeline
Release gapCode Llama shipped 601 days before o4-mini

Which is better: Code Llama or o4-mini?

Code Llama and o4-mini don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Code Llama shipped 601 days before o4-mini, so benchmark comparisons should account for the intervening progress.

Code Llama is open weight, while o4-mini is proprietary.

Direct benchmark comparisons are unavailable — Code Llama and o4-mini don't publish scores on any of the same benchmarks.

Frequently asked questions

Code Llama was released by Meta on Aug 24 2023.

o4-mini was released by OpenAI on Apr 16 2025.

Code Llama is an open weight model released by Meta. o4-mini is a proprietary model released by OpenAI.

Other comparisons