Comparison · Updated Sep 10, 2026

Llama 3 vs Llama 4

Comparing Meta's two most recent open-weight releases.

At a glance

Spec	Llama 3	Llama 4
Released	Apr 18, 2024	Apr 5, 2025
Context window	8.2K tokens	10M tokens
Licence	Open weights	Open weights
Inputs	text	text, image
Public API	No	No

Model A

Llama 3

8B and 70B open-weight release, later extended to Llama 3.1 and 3.2 with vision.

Apr 18, 2024

Model B

Llama 4

Meta's Llama 4 MoE family with very long context and multimodal input.

Apr 5, 2025

Differences

Attribute	Llama 3	Llama 4
Architecture	Dense	MoE
Multimodal	No (base)	Text + image
Context	8K	Up to 10M

Analysis

Llama 4 moves to a mixture-of-experts architecture, adds native multimodality and dramatically extends context length compared to Llama 3, though the practical usable context depends on serving infrastructure.