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

LLaMA 4 Scout vs GPT-5 Pro

Meta
LLaMA 4 Scout
OpenAI
GPT-5 Pro
Overview
CompanyMetaOpenAI
Release dateApr 5 2025Aug 7 2025
AccessOpen WeightProprietary
Benchmarks
Nonsense detection
BullshitBench v2
19%
Timeline
Release gapLLaMA 4 Scout shipped 124 days before GPT-5 Pro

Which is better: LLaMA 4 Scout or GPT-5 Pro?

LLaMA 4 Scout and GPT-5 Pro don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. LLaMA 4 Scout shipped 124 days before GPT-5 Pro, so benchmark comparisons should account for the intervening progress.

LLaMA 4 Scout is open weight, while GPT-5 Pro is proprietary.

Direct benchmark comparisons are unavailable — LLaMA 4 Scout and GPT-5 Pro don't publish scores on any of the same benchmarks.

Frequently asked questions

LLaMA 4 Scout was released by Meta on Apr 5 2025.

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

LLaMA 4 Scout is an open weight model released by Meta. GPT-5 Pro is a proprietary model released by OpenAI.

Other comparisons