Last Updated: April 2026
Llama 3.1 405B
VerifiedMeta Llama 3.1 has 405B parameters and supports a context length of 128k, multilingual capabilities, and excels in tasks like code generation and complex reasoning. It was trained on 15 trillion tokens using over 16,000 H100 GPUs. This release includes tools for easy integration and is designed to be competitive with leading models like GPT-4 and Claude 3.5. It also introduces features like Meta AI Imagine and the Llama Stack API
Meta Llama 3.1 has 405B parameters, a 128k context length, multilingual support, and excels in tasks like code generation and complex reasoning.
At a glance
- Primary category: Chat Bots
- Best for: users who want a more specialized AI chat experience, especially if you care about AI, Meta LLama 3.1 305B, Meta's New AI Mode
- Key features: AI, Meta LLama 3.1 305B, Meta's New AI Mode, Meta AI, Llama 3
Quick take
Meta Llama 3.1 has 405B parameters and supports a context length of 128k, multilingual capabilities, and excels in tasks like code generation and complex reasoning. It was trained on 15 trillion tokens using over 16,000 H100 GPUs. This release includes tools for easy integration and is designed to be competitive with leading models like GPT-4 and Claude 3.5. It also introduces features like Meta AI Imagine and the Llama Stack API A clear strength highlighted in our listing is Large model with comparable performance on benchmarks to GPT 4o and Claude Sonnet 3.5. A likely tradeoff is No cons found yet.
Why people choose Llama 3.1 405B
Strengths pulled from our listing review and user-facing positioning.
- +Large model with comparable performance on benchmarks to GPT 4o and Claude Sonnet 3.5
- +Multilingual AI Model supporting English, German, French, Italian, Portuguese, Hindi, Spanish, and Thai.
- +Open source so you can deploy it anywhere and fine tune it. This is one of the reasons users pick Llama 3.1 405B over alternatives in the same category.
Things to know before choosing Llama 3.1 405B
Tradeoffs and limits worth considering before you commit.
- −No cons found yet. Worth weighing against the strengths before committing to Llama 3.1 405B as your main tool.
Top Llama 3.1 405B Alternatives
The leading AI chatbot powered by OpenAI's GPT models, including GPT-3.5 and GPT-4, featuring text-to-image prompting with DALL·E and custom bot creation capabilities.
ClaudeDeveloped by Anthropic, Claude excels in analyzing large documents and data, operating under a concept called constitutional AI. Available in API.
GeminiFormerly known as Bard, Gemini is Google's premier AI chatbot. Reimagined and powered by the advanced Gemini Pro model, it boasts rapid response times, enhanced creativity, proficient coding capabilities, and seamless internet connectivity for a wide-ranging, interactive experience.
Llama 3.1 405B Demo and Gallery
Llama 3.1 405B Release Date
Llama 3.1 405B was released on July 23, 2024.
Which languages does Llama 3.1 405B support?
As a multilingual AI mode, Llama 3.1 405B supports English, German, French, Italian, Portuguese, Hindi, Spanish, and Thai.
How big is the Llama 3.1 405B context length?
The Llama 3.1 405B context length is 128k characters.
Can Llama 3.1 405B be fine tuned?
Yes as an open source model, Llama 3.1 405B can be fine tuned and deployed.
Where is Llama 3.1 405B API and chat app available?
LLama 3.1 405B is available at Meta partners including AWS, Azure, Google Cloud, Dell, Groq, Databricks and most major computing providers.
Alternatives and Similar Tools
Formerly known as Bard, Gemini is Google's premier AI chatbot. Reimagined and powered by the advanced Gemini Pro model, it boasts rapid response times, enhanced creativity, proficient coding capabilities, and seamless internet connectivity for a wide-ranging, interactive experience.
An AI companion designed to interact and converse with users in a deeply personalized way. Replika learns from your conversations to provide companionship and support, offering a unique experience for mental wellness and personal growth.
Chai is a social AI chat platform where users can chat with thousands of community-created AI characters or create their own. Emphasizing fun and open-ended conversation, Chai offers an immersive experience with chatbots ranging from flirty companions to fictional characters.
Poe is a platform that facilitates interactions with a variety of AI models, including ChatGPT, GPT-4, Claude 3 Opus, and DALL-E 3. It provides users with a centralized interface to engage with multiple AI technologies, offering access to millions of AI tools from a single location. Poe aims to simplify user interaction with AI through a streamlined, easy-to-use interface.





