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

LLaMA 4 Scout vs gpt-oss-20b

Meta
LLaMA 4 Scout
OpenAI
gpt-oss-20b
Overview
CompanyMetaOpenAI
Release dateApr 5 2025Aug 5 2025
AccessOpen WeightOpen Weight
Benchmarks
Nonsense detection
BullshitBench v2
19%
Timeline
Release gapLLaMA 4 Scout shipped 122 days before gpt-oss-20b

Which is better: LLaMA 4 Scout or gpt-oss-20b?

LLaMA 4 Scout and gpt-oss-20b don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. LLaMA 4 Scout shipped 122 days before gpt-oss-20b, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

Direct benchmark comparisons are unavailable — LLaMA 4 Scout and gpt-oss-20b 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-oss-20b was released by OpenAI on Aug 5 2025.

Other comparisons