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hermes-3-llama-3.1-405b

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...

TextOpen Weights131.1K128K
InputFree
OutputFree
Context131.1K
Endpointsopenai

Capabilities

Structured

Modalities

Input
text
Output
text

Quick stats

Context window128K
Max output131.1K
Modechat
TokenizerLlama3
Knowledge cutoff2023
Quantizationfp8

Performance

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Supported parameters

ParameterAlwaysDefault
frequency_penalty-
logit_bias-
max_tokens-
min_p-
presence_penalty-
repetition_penalty-
response_format-
seed-
stop-
structured_outputs-
temperature-
top_k-
top_p-
§ 01

Pricing

Input price$0.00 · 1M tokens
Output price$0.00 · 1M tokens
Context window131.1K tokens
Compatible endpointsopenai
VendorMeta
§ 02

Call hermes-3-llama-3.1-405b from your code

Point any OpenAI-compatible SDK at UnoRouter and request the model by name. Replace YOUR_API_KEY with a real key from your dashboard.

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

Sign in to auto-fill your API key

§ 03

Frequently asked questions

How much does hermes-3-llama-3.1-405b cost per 1M tokens?

Input is priced at $0.00 per 1M tokens, output at $0.00 per 1M tokens. Billing is per token, no rounding to batch sizes.

How do I access hermes-3-llama-3.1-405b via API?

Send requests to the UnoRouter /v1/chat/completions endpoint with model=hermes-3-llama-3.1-405b. Any OpenAI-compatible client library works. Authentication uses a standard Bearer token.

What is the context window of hermes-3-llama-3.1-405b?

hermes-3-llama-3.1-405b supports a context window of 131.1K tokens, shared between your prompt and the model's response.

§ 04

Similar models

Try hermes-3-llama-3.1-405b now

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