LiteLLMModels

Hermes 3 Llama 3.1 405B API Pricing

As of October 10, 2026, Hermes 3 Llama 3.1 405B costs $1.00 per 1M input tokens and $3.00 per 1M output tokens from Nebius AI Studio, the lowest of 2 providers. It has a 128,000-token context window and returns up to 128,000 tokens per response.

Model ID nebius/NousResearch/Hermes-3-Llama-3.1-405BPrices updated Checked
Input
$1.00 / 1M tokens
Output
$3.00 / 1M tokens
Context window
128,000 tokens
Max output
128,000 tokens
Providers
2
Added to LiteLLM
July 2025

Hermes 3 Llama 3.1 405B pricing by provider

2 listings across 2 providers. Token prices are in US dollars per 1M tokens. The highlighted row is the price quoted above.

ProviderModel name in LiteLLMInputOutputContext
Nebius AI Studionebius/NousResearch/Hermes-3-Llama-3.1-405B$1.00$3.00128K
DeepInfradeepinfra/NousResearch/Hermes-3-Llama-3.1-405B$1.00$1.00128K

What Hermes 3 Llama 3.1 405B costs in practice

1,000 requests with 2,000 input and 500 output tokens each

Nebius AI Studio$3.50
DeepInfra$2.50

100 long-document requests with 100,000 input and 2,000 output tokens each

Nebius AI Studio$10.60
DeepInfra$10.20

Hermes 3 Llama 3.1 405B features

Use Hermes 3 Llama 3.1 405B with LiteLLM

Call Hermes 3 Llama 3.1 405B 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.

Python SDK
from litellm import completion

response = completion(
    model="nebius/NousResearch/Hermes-3-Llama-3.1-405B",
    messages=[{"role": "user", "content": "Hello!"}],
)
Proxy config.yaml
model_list:
  - model_name: hermes-3-llama-3.1-405b
    litellm_params:
      model: nebius/NousResearch/Hermes-3-Llama-3.1-405B
      # credentials: see the provider's LiteLLM docs page
Call the proxy
curl http://0.0.0.0:4000/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer sk-1234" \
  -d '{
    "model": "hermes-3-llama-3.1-405b",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Hermes 3 Llama 3.1 405B FAQ

How much does Hermes 3 Llama 3.1 405B cost?

Hermes 3 Llama 3.1 405B costs $1.00 per 1M input tokens and $3.00 per 1M output tokens from Nebius AI Studio, the lowest of 2 providers.

What is the context window of Hermes 3 Llama 3.1 405B?

Hermes 3 Llama 3.1 405B has a 128,000-token context window and returns up to 128,000 tokens per response.

Which providers offer Hermes 3 Llama 3.1 405B?

Hermes 3 Llama 3.1 405B is available from 2 providers through LiteLLM: Nebius AI Studio and DeepInfra.

How do I call Hermes 3 Llama 3.1 405B with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="nebius/NousResearch/Hermes-3-Llama-3.1-405B", 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.

What features does Hermes 3 Llama 3.1 405B support?

Hermes 3 Llama 3.1 405B supports function calling.

When did LiteLLM add Hermes 3 Llama 3.1 405B?

Hermes 3 Llama 3.1 405B was added to LiteLLM's model price file in July 2025.

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: Nebius AI Studio, DeepInfra.

Provider pages: Nebius AI Studio, DeepInfra.