Hermes 4 405B API Pricing

Hermes 4 405B 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.

What Hermes 4 405B costs in practice

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

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

Hermes 4 405B features

• Function calling
• Reasoning

Use Hermes 4 405B with LiteLLM

Call Hermes 4 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.

from litellm import completion

response = completion(
    model="nebius/NousResearch/Hermes-4-405B",
    messages=[{"role": "user", "content": "Hello!"}],
)

model_list:
  - model_name: hermes-4-405b
    litellm_params:
      model: nebius/NousResearch/Hermes-4-405B
      # credentials: see the provider's LiteLLM docs page

curl http://0.0.0.0:4000/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer sk-1234" \
  -d '{
    "model": "hermes-4-405b",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Hermes 4 405B FAQ

Related models

• Hermes 4 70B$0.13 / $0.40 per 1M tokens