Hermes 4 405B by API.

Uncensored by Nous Research, on UncensoredLLM as hermes-4-405b.

Get a key

Price per million tokens

Input
$1.20
Output
$4.80
Daily check
Steady since Oct 23
How the check works
As of
2026-10-24

First request

curl
1curl https://api.uncensoredllm.ai/v1/chat/completions \
2 -H "Authorization: Bearer sk-ullm-live-…" \
3 -H "Content-Type: application/json" \
4 -d '{"model": "hermes-4-405b", "messages": [{"role": "user", "content": "Hello"}]}'

Base URL https://api.uncensoredllm.ai/v1. The key comes from the console; prices settle per token.

Hermes 4 405B specs

Kind
Uncensored
Developer
Nous Research
Context window
128,000 tokens
Input
text
Wire formats
openai

Get a key

  1. Create a key in the console. Credit is prepaid from $10, with no subscription.
  2. Point your SDK or tool at https://api.uncensoredllm.ai/v1, for example with OPENAI_BASE_URL, and send the key as the bearer token.
  3. Send hermes-4-405b as the model. The same key calls every model on UncensoredLLM.

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What this build is

Hermes 4 405B is an uncensored build: it answers without the safety refusals of the stock model, served at full precision on GPU.

Every request is routed to the build’s live route and settled to the token at the prices above. The daily real-model check sends a fixed prompt to every model and records whether the answer still matches; this model’s verdict today is “Steady since Oct 23”.

Use it from the OpenAI SDK, from SillyTavern or Janitor, or from a coding agent. Keys and top-ups live in the console.

Hermes 4 405B questions

Hermes 4 405B is an uncensored build from Nous Research, with a 128,000-token context window, taking text input. On UncensoredLLM it answers as hermes-4-405b.

$1.20 per million input tokens and $4.80 per million output tokens. Credit is prepaid from $10, with no subscription.

It is pay as you go: prepaid credit from $10, billed per token, with no subscription or monthly fee. A 1,000-token prompt with a 500-token reply costs about $0.0036.

Hermes 4 405B has a 128,000-token context window. It takes text input.

Yes. Send hermes-4-405b as the model through the OpenAI SDK, or any client that takes a custom OpenAI base URL, with base URL https://api.uncensoredllm.ai/v1.

In SillyTavern, set API to Chat Completion, Source to Custom (OpenAI-compatible) and the custom endpoint to https://api.uncensoredllm.ai/v1, paste your key, then pick hermes-4-405b from the list it loads. In Janitor AI, choose Proxy, set the URL to https://api.uncensoredllm.ai/v1/chat/completions, paste your key and type hermes-4-405b as the model. See the docs.

Yes. The daily real-model check sends every model the same fixed prompt and records whether the answer still matches. Hermes 4 405B’s latest result, from Oct 24: steady since Oct 23. See the daily check.