Llama 3.1 405B Instruct
NEWFEATUREDOpenRouter
Massive 405B parameter Llama model for complex tasks
Try Llama 3.1 405B Instruct Now
Start chatting with Llama 3.1 405B Instruct for free. No credit card required.
Open Chat →Model Specifications
What Llama 3.1 405B Instruct Excels At
- reasoning
- analysis
- code generation
- function calling
- long context
Pricing & Access
Llama 3.1 405B Instruct is available on JustSimpleChat with flexible pricing.
View all pricing plans →Frequently Asked Questions
What is Llama 3.1 405B Instruct?▼
Llama 3.1 405B Instruct is Massive 405B parameter Llama model for complex tasks It's developed by OpenRouter and offers 128,000 tokens of context with deep response times. Available now on JustSimpleChat.
How much does Llama 3.1 405B Instruct cost?▼
Llama 3.1 405B Instruct is available on JustSimpleChat with competitive pricing. Visit our pricing page to see current rates and usage tiers for this model.
What's the context window of Llama 3.1 405B Instruct?▼
Llama 3.1 405B Instruct supports 128,000 input tokens and 8,192 output tokens. This large context window makes it ideal for analyzing long documents, codebases, and extensive conversations.
How fast is Llama 3.1 405B Instruct?▼
Llama 3.1 405B Instruct is classified as deep speed. This means it's thorough, taking more time to provide deeply reasoned and comprehensive answers. Perfect for complex reasoning, detailed analysis, and tasks requiring careful consideration.
What are the best use cases for Llama 3.1 405B Instruct?▼
Llama 3.1 405B Instruct excels at complex problem-solving and logical analysis, data analysis and research, writing and debugging code, integrating with external tools and APIs. As a premium model, it delivers exceptional quality for demanding applications.
Is Llama 3.1 405B Instruct good for coding?▼
Yes! Llama 3.1 405B Instruct is excellent for coding tasks. It supports code generation and can help with debugging, refactoring, and writing code across multiple programming languages. Many developers use it for pair programming and code review.
Can I use Llama 3.1 405B Instruct for free?▼
JustSimpleChat offers free trial credits that you can use with Llama 3.1 405B Instruct. Sign up to start using this model and explore our 200+ AI models with flexible pricing options.
How do I access Llama 3.1 405B Instruct on JustSimpleChat?▼
Getting started with Llama 3.1 405B Instruct is easy: 1) Sign up or log in to JustSimpleChat, 2) Open the chat interface, 3) Select Llama 3.1 405B Instruct from the model picker, and 4) Start chatting! No complex setup required - just choose and use.
What capabilities does Llama 3.1 405B Instruct have?▼
Llama 3.1 405B Instruct supports reasoning, analysis, code generation, function calling, long context. This makes it a versatile choice for a wide range of AI-powered tasks and applications.
How does Llama 3.1 405B Instruct compare to other AI models?▼
Llama 3.1 405B Instruct is part of OpenRouter's model lineup. On JustSimpleChat, you can easily compare it with 200+ other models from providers like OpenAI, Google, Anthropic, and more. Try different models side-by-side to find the best fit for your needs.
Related AI Models
GLM 5.1
OpenRouter
Latest Z.ai coding and long-horizon agent model with improved autonomous execution for complex engineering tasks.
GLM 5
OpenRouter
Flagship Z.ai foundation model for systems design, expert coding, and tool-rich agent workflows.
GLM 5 Turbo
OpenRouter
Fast GLM 5 variant optimized for agent workflows, high-throughput coding, and long-context reasoning.
Claude Opus 4.7
Anthropic
Latest Anthropic frontier model for long-running asynchronous agents, advanced coding tasks, and million-token workflows.
Claude Opus 4.6
Anthropic
High-end Anthropic Opus release focused on coding quality, long-running professional tasks, and million-token agent workflows.
Compare Llama 3.1 405B Instruct
See how Llama 3.1 405B Instruct stacks up against other popular AI models.
Ready to try Llama 3.1 405B Instruct?
Join thousands of users already using Llama 3.1 405B Instruct on JustSimpleChat
Start Free Trial