search
Get Started
search
Llama 3.1 405B - Model
zoom_in Click to enlarge

Llama 3.1 405B

description Llama 3.1 405B Overview

Meta's 2024 flagship open-weight model with 405 billion parameters and a 128K context window, competitive with top closed-source models at time of release.

insights Ranking position

Llama 3.1 405B ranks #17 of 172 in the Model ranking, behind Claude 3.7 Sonnet, ahead of Tacotron 2.

help Llama 3.1 405B FAQ

How good is Llama 3.1 405B?
Llama 3.1 405B scores 8.88/10 (Great) on Lunoo, making it a well-rated option in the Model category. Flagship open-weight frontier contender; strong benchmarks and ecosystem impact, with high serving cost.
What are the best alternatives to Llama 3.1 405B?
See our alternatives page for Llama 3.1 405B for a ranked list with scores. Top alternatives include: AlphaZero, AlphaFold 3, AlphaFold 2.
How does Llama 3.1 405B compare to AlphaZero?
See our detailed comparison of Llama 3.1 405B vs AlphaZero with scores, features, and an AI-powered verdict.
Is Llama 3.1 405B worth it in 2026?
With a score of 8.88/10, Llama 3.1 405B is highly rated in Model. See all Model ranked.

Reviews & Comments

Write a Review

rate_review

Be the first to review

Share your thoughts with the community and help others make better decisions.

Save to your list

Save your favorites and follow how their scores change over time.

Save favorites
Get updates
Compare scores

Already have an account? Sign in

Compare Items

See how they stack up against each other

Comparing
VS
Select 1 more item to compare