Llama 4 (400B)

Open Source King

Evolution: What Changed?

Massive parameter increase (400B vs 70B)
Reasoning capabilities now match proprietary frontier models
Multilingual support expanded to 100+ languages

Compared to llama-3-70b

Evolution: What Changed?

Massive parameter increase (400B vs 70B)
Reasoning capabilities now match proprietary frontier models
Multilingual support expanded to 100+ languages

compared to previous generation

The Breakdown

The Llama 4 (400B) represents a significant leap forward in Meta's lineup. Released in 2025-07-22, it targets developers and enterprise use cases with a specific focus on reasoning capabilities over raw conversational speed. While previous iterations in the Open Source category often struggled with complex multi-step instruction following, this model introduces a refined architecture that dramatically improves adherence to system prompts and reduces hallucination rates in technical domains. It competes directly with top-tier frontier models but carves out a distinct niche for workflows where precision and context retention matter more than creative flair. For businesses looking to integrate reliable AI agents, Llama 4 (400B) offers a compelling balance of performance and cost-efficiency.

Overall Score

9.5

/10

Pricing (per 1k tokens)

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Currency: USD (Self-Hosted)