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Nous Research
nousresearch/hermes-4-405b

About this model

Hermes 4 is a large-scale reasoning model built on Meta-Llama-3.1-405B and released by Nous Research. It introduces a hybrid reasoning mode, where the model can choose to deliberate internally with...

Make a request

OpenAI-compatible: set the base URL and your Promptix API key, keep your existing SDK.

curl https://promptix.tn/api/v1/chat/completions \  -H "Authorization: Bearer $PROMPTIX_API_KEY" \  -H "Content-Type: application/json" \  -d '{    "model": "nousresearch/hermes-4-405b",    "messages": [      {"role": "user", "content": "Hello! What can you do?"}    ]  }'

Pricing

In TND per 1M tokens. VAT and the platform fee are added at top-up.

Input tokens

3.323 TND

per 1M tokens

Output tokens

9.968 TND

per 1M tokens

1,000 requests with 1K input and 500 output tokens cost about 8.306 TND.

Specifications

Provider
Nous Research
Context window
131,072 tokens
Input modality
Text
Added
Aug 26, 2025
Supported parameters
frequency_penaltyinclude_reasoningmax_tokenspresence_penaltyreasoningrepetition_penaltyresponse_formattemperature