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Meta: Llama 3.1 405B (base)

Meta·Released 2024-08-02
Open Source33K ctx
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About

Meta's latest class of model (Llama 3.1) launched with a variety of sizes & flavors. This is the base 405B pre-trained version. It has demonstrated strong performance compared to leading closed-source models in human evaluations. To read more about the model release, [click here](https://ai.meta.com/blog/meta-llama-3/). Usage of this model is subject to [Meta's Acceptable Use Policy](https://llama.meta.com/llama3/use-policy/).

Related Models

Meta: Llama Guard 4 12B2025-04-30Meta: Llama Guard 4 12B (free)2025-04-30Meta: Llama 4 Maverick2025-04-05Meta: Llama 4 Scout2025-04-05Llama 4 Scout 17B 16E Instruct2025-04-02Llama Guard 3 8B2025-02-12Llama 3.3 Instruct 70B2024-12-06Meta: Llama 3.3 70B Instruct2024-12-06

Pricing

Input

$4.00

per 1M tokens

Output

$4.00

per 1M tokens

Blended

$4.00

per 1M tokens

Cheaper than 15% of models. Median price is $0.54/1M tokens.

Cost Calculator

Tokens per day1M
100K100M

Daily

$4.00

Monthly

$120.00

vs. Similar Models

Mistral Medium
$4.09+2%
Llama 3.1 Instruct 405B
$3.69-8%
OpenAI: GPT-4o
$4.38+9%
GPT-4o (Aug '24)
$4.38+9%

Performance

Context Window

33K

tokens

Larger than 7% of models

Max Output

33K

tokens

100% of context

Context Window Comparison

Mistral: Saba
33KSame
Qwen2.5 Coder 7B Instruct
33KSame
Mixtral 8x7B Instruct
33KSame

Open Source

Quick Compare

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Q: 10.0$0.15/1M10.0M ctx
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Llama 3.3 Instruct 70B

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Q: 8.6$0.61/1M
Cheaper: 85%

Llama 3.1 Instruct 405B

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Q: 8.5$3.69/1M

Llama 3.1 Instruct 70B

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Q: 6.8$0.56/1M
Cheaper: 86%
Compare all 7 models