> Llama 3.1-8B is an open-weights AI model from Meta, released 23 Jul 2024. Index score 89 (GPT-4 = 100), rank 203 of 229 ranked models. API price $0.050 in / $0.080 out per million tokens, 131K context.

[Models](https://themodelindex.org/models/) /[Meta](https://themodelindex.org/labs/meta/)

# Llama 3.1-8B

Meta

Released 23 Jul 2024

Open

[Compare](https://themodelindex.org/compare/llama-3-1-8b-vs-claude-3-5-sonnet/)

8975–102

Index score

#203 of 229 models

1/ 8

Core tests taken

1 of 6 areas · plus 8 anchor tests

−22

Versus the frontier at release

best then: Claude 3.5 Sonnet (Jun 2024)

$0.050/ $0.080

Price per million tokens

input / output, list price

131K

Context window

tokens it reads at once

## Where it sits · on the frontier

_Chart: Model Index score of every scored model since late 2022, with the best closed and best open model over time_

GPT-4 reached this score 16 months earlier.

## Test results · by area · tick = best by any model

Show 8 anchor tests

Reasoning & knowledge

evidence

GPQA Diamond

27%

Humanity's Last Exam

no result

Maths

evidence

FrontierMath T1-3

no result

Coding

evidence

SWE-bench Verified

no result

Terminal-Bench

no result

Agents

evidence

APEX-Agents

no result

Novel problems

no evidence yet

ARC-AGI-2

no result

Long tasks

no evidence yet

METR time horizon

no result

Independent results from the Epoch AI benchmarking hub, best reasoning setting. The core tests are shown here; anchor tests also inform the score and can be shown above.

## What others say · rank on each leaderboard

The Model Index

independent tests, our method

#203

of 219 · 89

Epoch Capabilities Index

overall capability from many benchmarks

#180

of 239 · 116.6

LMArena · Coding

coding questions in chat

#310

of 383 · 1260

LMArena · Text

overall chat quality, judged by people

#316

of 388 · 1211

LMArena · Creative writing

creative writing

#315

of 386 · 1177

LMArena · Maths

maths questions in chat

#313

of 373 · 1189

Further left is better. Leaderboards measure different things: LMArena is people voting blind between two answers, the others are test scores. Click any row for the source.

## Best at · top three among current models

Not in the top three among current models on any category we track.

Where this model places in the top three of today's models, on category leaderboards and on our core tests.

## Where to use it · prices checked 1 Oct 2026

#### API providers · 5 · per million tokens, in / out

D

DeepInfra

$0.020 / $0.040 · fp8

cheapest

N

Novita

$0.020 / $0.050 · fp8

↗

G

Groq

$0.050 / $0.080

↗

C

Cloudflare

$0.15 / $0.29 · fp8

↗

C

CoreWeave

$0.22 / $0.22 · bf16

↗

#### Run it yourself

🤗

Official weights

meta-llama/Meta-Llama-3.1-8B-Instruct

↗

Provider prices come from OpenRouter's live listing; going direct to a provider can differ. Subscriptions are the lab's own apps.

## Facts and sources

Released

23 Jul 2024

Announcement

not linked yet

Release entry

–

Scored as

Llama 3.1-8B

Artificial Analysis index

–

Output speed

–

Hugging Face

[meta-llama/Meta-Llama-3.1-8B-Instruct ↗](https://huggingface.co/meta-llama/Meta-Llama-3.1-8B-Instruct)

## Meta releases · around this one

LLaMA

Open

24 FEB 2023

Llama 2

Open

18 JUL 2023

index 88

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Source: https://themodelindex.org/models/llama-3-1-8b/ · The Model Index · data as of 2026-10-01