Llama 3.1 405B vs Llama 3.3 70B

Side-by-side comparison of pricing, capabilities, benchmarks, and use case fit.

M

Llama 3.1 405B

Meta

Overall 74

slow

M

Llama 3.3 70B

Meta

Overall 73

standard

Capability radar

Normalized coding, reasoning, writing, vision, context, and value

Llama 3.1 405BLlama 3.3 70B

Comparison of Llama 3.1 405B vs Llama 3.3 70B
Metric	Llama 3.1 405B	Llama 3.3 70B
Input Price / 1M	$0.35	$0.23
Output Price / 1M	$0.70	$0.40
Combined Price / 1M	$1.05	$0.63
Context Window	128,000	128,000
Coding Score	85	84
Reasoning Score	86	82
Vision Score	40	45
Audio	No	No
Streaming	Yes	Yes
Function Calling	Yes	Yes
Latency Tier	slow	standard
Release Date	7/23/2024	12/6/2024

Llama 3.1 405B — Strengths & Weaknesses

Strengths

Open 405B weights
Strong reasoning

Weaknesses

High inference cost
No multimodal

Llama 3.3 70B — Strengths & Weaknesses

Strengths

Open weights
Low hosting cost
Strong coding

Weaknesses

No native vision
Self-hosting required

Use Case Verdicts

Coding

Llama 3.1 405B scores 85 vs 84 on coding benchmarks.

General Chat

Llama 3.1 405B leads on writing quality (83 vs 80).

Long Context

Llama 3.1 405B offers 128K tokens vs 128K.

Cost Efficiency

Llama 3.3 70B is cheaper at $0.63/M combined vs $1.05/M.

Enterprise Use

Llama 3.1 405B combines strong reasoning, tooling, and context for enterprise workloads.

Agent Workflows

Llama 3.1 405B is better suited for agentic workflows with tool use and coding capability.