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

LLaMA 4 Scout vs GPT-5.6 Sol

Meta
LLaMA 4 Scout
OpenAI
GPT-5.6 Sol
Overview
CompanyMetaOpenAI
Release dateApr 5 2025Jun 26 2026
AccessOpen WeightProprietary
Benchmarks
Nonsense detection
BullshitBench v2
19%
Timeline
Release gapLLaMA 4 Scout shipped 447 days before GPT-5.6 Sol

Which is better: LLaMA 4 Scout or GPT-5.6 Sol?

LLaMA 4 Scout and GPT-5.6 Sol don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. LLaMA 4 Scout shipped 447 days before GPT-5.6 Sol, so benchmark comparisons should account for the intervening progress.

LLaMA 4 Scout is open weight, while GPT-5.6 Sol is proprietary.

Direct benchmark comparisons are unavailable — LLaMA 4 Scout and GPT-5.6 Sol 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-5.6 Sol was released by OpenAI on Jun 26 2026.

LLaMA 4 Scout is an open weight model released by Meta. GPT-5.6 Sol is a proprietary model released by OpenAI.

Other comparisons