Nous: Hermes 3 405B Instruct.

A community finetune tuned to refuse less than the instruct model it is based on. Served through MagmaRouter on one OpenAI-compatible endpoint, priced at $1.15 in and $1.15 out per million tokens.

Model idnousresearch/hermes-3-llama-3.1-405b
Taguncensored
Context131k tokens
Input price$1.15 / million tokens
Output price$1.15 / million tokens
Tool callingNot supported

What the uncensored tag actually means

nousresearch/hermes-3-llama-3.1-405b is tagged uncensored, which here means a loosely aligned finetune. It refuses far less than a frontier instruct model, but it is not abliterated: the refusal behaviour was reduced by training, not surgically removed, so it can still decline. Nothing about the tag promises it will answer anything.

Call it with curl

curl https://api.magmarouter.com/v1/chat/completions \
  -H "Authorization: Bearer rl-..." \
  -H "Content-Type: application/json" \
  -d '{
    "model": "nousresearch/hermes-3-llama-3.1-405b",
    "messages": [{"role": "user", "content": "Hello"}]
  }'

Call it with the OpenAI SDK

# pip install openai
from openai import OpenAI

client = OpenAI(
    base_url="https://api.magmarouter.com/v1",
    api_key="rl-...",
)

resp = client.chat.completions.create(
    model="nousresearch/hermes-3-llama-3.1-405b",
    messages=[{"role": "user", "content": "Hello"}],
)
print(resp.choices[0].message.content)

In Claude Code

No tool calling This model does not advertise tool calling, so it cannot drive an agent like Claude Code that needs to edit files or run commands. A tool request to it returns a 400 that names the model and costs nothing. Use it for chat and generation through the OpenAI-compatible endpoint below.

FAQ

What does the uncensored tag mean?

Uncensored here means a loosely aligned finetune that refuses much less than a frontier model, but can still decline. It is not the same as abliterated.

Does Nous: Hermes 3 405B Instruct store my prompts?

No. MagmaRouter stores the model id, token counts and cost, not the prompt or completion, and returns a signed receipt of the prompt hash.

How much does it cost?

$1.15 per million input tokens and $1.15 per million output tokens, margin already included.

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