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

Claude Sonnet 5 vs LLaMA 4 Scout

Anthropic
Claude Sonnet 5
Meta
LLaMA 4 Scout
Overview
CompanyAnthropicMeta
Release dateJun 30 2026Apr 5 2025
AccessProprietaryOpen Weight
Benchmarks
Nonsense detection
BullshitBench v2
19%
Agentic coding
SWE-Bench Pro
63.2%
Agentic coding
CursorBench v3.1
61.2%
Agentic terminal coding
Terminal-Bench 2.1
80.4%
Multidisciplinary reasoning
Humanity's Last Exam · no tools
43.2%
Multidisciplinary reasoning
Humanity's Last Exam · with tools
57.4%
Agentic computer use
OSWorld-Verified
81.2%
Knowledge work
GDPval-AA
1618
Timeline
Release gapLLaMA 4 Scout shipped 451 days before Claude Sonnet 5

Which is better: Claude Sonnet 5 or LLaMA 4 Scout?

Claude Sonnet 5 and LLaMA 4 Scout don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. LLaMA 4 Scout shipped 451 days before Claude Sonnet 5, so benchmark comparisons should account for the intervening progress.

Claude Sonnet 5 is proprietary, while LLaMA 4 Scout is open weight.

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

Frequently asked questions

Claude Sonnet 5 was released by Anthropic on Jun 30 2026.

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

Claude Sonnet 5 is a proprietary model released by Anthropic. LLaMA 4 Scout is an open weight model released by Meta.

Other comparisons