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

LLaMA 4 Maverick vs gpt-oss-120b

Meta
LLaMA 4 Maverick
OpenAI
gpt-oss-120b
Overview
CompanyMetaOpenAI
Release dateApr 5 2025Aug 5 2025
AccessOpen WeightOpen Weight
Benchmarks
Nonsense detection
BullshitBench v2
28%Best
11%
Timeline
Release gapLLaMA 4 Maverick shipped 122 days before gpt-oss-120b

Which is better: LLaMA 4 Maverick or gpt-oss-120b?

LLaMA 4 Maverick leads gpt-oss-120b on 1 of the 1 benchmark they both report (BullshitBench v2). LLaMA 4 Maverick shipped 122 days before gpt-oss-120b, 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.

On BullshitBench v2, LLaMA 4 Maverick leads at 28% vs gpt-oss-120b at 11%.

Frequently asked questions

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

gpt-oss-120b was released by OpenAI on Aug 5 2025.

Other comparisons