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Llama 3.1 8B Instruct

Name: Llama 3.1 8B Instruct
Brand: Meta
Price: 0.050000 USD

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Small, fast Llama 3.1. The default cheap open-weights model in 2024–25 across Groq, Cerebras and Together.

Llama 3.1 8B Instruct is a efficient AI model from Meta. It costs $0.050 per million input tokens and $0.080 per million output tokens (blended $0.059/M), with a 131,072-token context window.

Profile inherited from upstream Llama 3.1 8B ↗ — this is a hosted variant of the same open-weights model.

Released Jul 2024Modalities textOfficial model page ↗API docs ↗Pricing source ↗Compare with another model →Estimate monthly cost →

INPUT

$0.050/M

per million input tokens

OUTPUT

$0.080/M

per million output tokens

BLENDED 70/30

$0.059/M

unchanged since 3 May

default reference rate · how it is calculated →

CONTEXT

131,072

tokens

What it is good at

Cheap
Fast on LPU/Cerebras
Open weights
128K context

Typical use cases

Bulk classification
Cheap chat
Edge inference

Benchmarks

vs. best public score

Scores inherited from Llama 3.1 8B — this is a hosted variant of the same open-weights model, so the underlying benchmark scores are identical.

MMLU73%

Multitask academic knowledge across 57 subjects.

GPQA Diamond31%

Graduate-level science questions, "Google-proof".

MATH51%

High-school competition math problems.

HumanEval73%

Python function synthesis from docstrings.

LMArena Elo1180 Elo

Crowd-sourced head-to-head preference Elo rating.

Hand-curated from each provider's published reports and public leaderboards. Methodology varies across sources, treat as directional rather than authoritative.

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Frequently asked questions

How much does Llama 3.1 8B Instruct cost?

Llama 3.1 8B Instruct costs $0.050 per million input tokens and $0.080 per million output tokens, for a blended reference rate of $0.059 per million tokens.

What is Llama 3.1 8B Instruct's context window?

Llama 3.1 8B Instruct supports up to 131,072 tokens of context in a single request.

What is Llama 3.1 8B Instruct best for?

Llama 3.1 8B Instruct is well suited to Cheap, Fast on LPU/Cerebras and Open weights.

Who makes Llama 3.1 8B Instruct?

Llama 3.1 8B Instruct is developed and served by Meta. It was released in Jul 2024.

Terms used on this page

Full glossary →

Token Input tokens Output tokens Price per million tokens Context window Prompt caching Batch API Blended cost