Llama3 405B Instruct API Pricing
As of October 10, 2026, Llama3 405B Instruct is free to use on Google Vertex AI. It has a 32,000-token context window and returns up to 32,000 tokens per response.
- Price
- Free
- Context window
- 32,000 tokens
- Max output
- 32,000 tokens
- Providers
- 1
- Added to LiteLLM
- July 2024
Llama3 405B Instruct pricing by provider
1 listing across 1 provider. Token prices are in US dollars per 1M tokens. The highlighted row is the price quoted above.
| Provider | Model name in LiteLLM | Input | Output | Context |
|---|---|---|---|---|
| Google Vertex AI | vertex_ai/meta/llama3-405b-instruct-maas | $0 | $0 | 32K |
What Llama3 405B Instruct costs in practice
1,000 requests with 2,000 input and 500 output tokens each
| Google Vertex AI | $0 |
Use Llama3 405B Instruct with LiteLLM
Call Llama3 405B Instruct through the LiteLLM Python SDK, or put it behind the LiteLLM proxy and send OpenAI-format requests to /v1/chat/completions. LiteLLM tracks the cost of every request at these prices.
from litellm import completion
response = completion(
model="vertex_ai/meta/llama3-405b-instruct-maas",
messages=[{"role": "user", "content": "Hello!"}],
)model_list:
- model_name: llama3-405b-instruct
litellm_params:
model: vertex_ai/meta/llama3-405b-instruct-maas
vertex_project: os.environ/VERTEX_PROJECT
vertex_location: os.environ/VERTEX_LOCATIONcurl http://0.0.0.0:4000/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer sk-1234" \
-d '{
"model": "llama3-405b-instruct",
"messages": [{"role": "user", "content": "Hello!"}]
}'Llama3 405B Instruct FAQ
How much does Llama3 405B Instruct cost?
Llama3 405B Instruct is free to use on Google Vertex AI.
What is the context window of Llama3 405B Instruct?
Llama3 405B Instruct has a 32,000-token context window and returns up to 32,000 tokens per response.
Which providers offer Llama3 405B Instruct?
Llama3 405B Instruct is available from Google Vertex AI through LiteLLM, using the model name vertex_ai/meta/llama3-405b-instruct-maas.
How do I call Llama3 405B Instruct with an OpenAI-compatible API?
Use the LiteLLM Python SDK with model="vertex_ai/meta/llama3-405b-instruct-maas", or add the model to the LiteLLM proxy's config.yaml and send requests to /v1/chat/completions from any OpenAI client. LiteLLM tracks the cost of every request at the prices on this page.
When did LiteLLM add Llama3 405B Instruct?
Llama3 405B Instruct was added to LiteLLM's model price file in July 2024.
Sources
Prices come from LiteLLM's open-source model_prices_and_context_window.json, which LiteLLM uses to calculate the cost of every request. Provider pricing pages:
LiteLLM docs: Google Vertex AI.
Provider pages: Google Vertex AI.
