Llama 3.1 405B Instruct

Largest Llama 3.1 model with 405B parameters.

llama-3.1-405b-instruct
STABLEModel DeactivatedGet StartedView uptime
128,000 context
Released July 23, 2024
Starting at $1.00/M input tokens
Starting at $3.00/M output tokens
Streaming
Tools
JSON Output
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All Providers for Llama 3.1 405B Instruct

LLM Gateway routes requests to the best providers that are able to handle your prompt size and parameters.

Nebius AI
Context: 128k
Deactivated since Nov 3, 2025
Input
$1
/M tokens
Cache Read
/M tokens
Output
$3
/M tokens
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Frequently asked questions

What is Llama 3.1 405B Instruct?

Largest Llama 3.1 model with 405B parameters. You can access it through LLM Gateway's OpenAI-compatible API with automatic provider routing, fallback, and cost analytics.

How much does Llama 3.1 405B Instruct cost?

Pricing for Llama 3.1 405B Instruct on LLM Gateway starts at $1.00 per million input tokens and $3.00 per million output tokens, depending on the provider. The pricing table above always reflects the current per-provider rates.

What is the context length of Llama 3.1 405B Instruct?

Llama 3.1 405B Instruct supports a context window of up to 128,000 tokens on its largest provider deployment.

Which providers serve Llama 3.1 405B Instruct?

Llama 3.1 405B Instruct is served by Nebius AI through LLM Gateway. Requests are automatically routed to the best available provider, with fallback when a provider has issues.

Does Llama 3.1 405B Instruct support tool calling and structured outputs?

Yes. Llama 3.1 405B Instruct supports both tool (function) calling and structured JSON outputs through LLM Gateway.

When was Llama 3.1 405B Instruct released?

Llama 3.1 405B Instruct was released on July 23, 2024.