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OpenKey

Hermes 3 405B Instruct (free)

Nous ResearchReleased Aug 16, 2024Free

Hermes 3 is a generalist language model with many improvements over Hermes 2, including advanced agentic capabilities, much better roleplaying, reasoning, multi-turn conversation, long context coherence, and improvements across the...

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Context window
131K tokens
Input
text
Output
text
Tokenizer
Llama3
Knowledge cutoff
Dec 31, 2023
Released
Aug 16, 2024

Pricing

Per 1M tokens. The provider price and our flat 3% fee are separate columns — what you pay is their sum.

Per 1M tokensProvider+ 3% feeYou pay
InputFreeFree
OutputFreeFree

Supported parameters

  • frequency_penalty
  • max_tokens
  • presence_penalty
  • stop
  • temperature
  • top_k
  • top_p

Call it

OpenAI-compatible: point your SDK at api.openkey.ai/v1 and use model nousresearch/hermes-3-llama-3.1-405b:free.

Code sample language
curl https://api.openkey.ai/v1/chat/completions \
  -H "Authorization: Bearer $OPENKEY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "nousresearch/hermes-3-llama-3.1-405b:free",
    "messages": [{"role": "user", "content": "Hello"}]
  }'
import os
from openai import OpenAI

client = OpenAI(
    base_url="https://api.openkey.ai/v1",
    api_key=os.environ["OPENKEY_API_KEY"],
)

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

const client = new OpenAI({
  baseURL: "https://api.openkey.ai/v1",
  apiKey: process.env.OPENKEY_API_KEY,
});

const completion = await client.chat.completions.create({
  model: "nousresearch/hermes-3-llama-3.1-405b:free",
  messages: [{ role: "user", content: "Hello" }],
});
console.log(completion.choices[0].message.content);

Questions

How much does Hermes 3 405B Instruct (free) cost via API?
Hermes 3 405B Instruct (free) is free through OpenKey while Nous Research offers it at no charge. No fee applies to free models.
What is Hermes 3 405B Instruct (free)'s context window?
Hermes 3 405B Instruct (free) accepts up to 131K tokens of context.
Is Hermes 3 405B Instruct (free) OpenAI-compatible?
Yes. Send requests to OpenKey's /v1/chat/completions endpoint with model "nousresearch/hermes-3-llama-3.1-405b:free" using any OpenAI SDK — only the base URL and API key change.
What inputs does Hermes 3 405B Instruct (free) support?
Hermes 3 405B Instruct (free) accepts text input and produces text output. Its knowledge cutoff is Dec 31, 2023.

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