How many credits does Hermes 4 405B cost on Vincony?

Each request to Hermes 4 405B costs 2 credits on Vincony. Credit costs vary by model tier — smaller models start at 1 credit while flagship models may cost up to 5 credits per request.

What are the best use cases for Hermes 4 405B?

Hermes 4 405B is a text model by NousResearch suitable for a variety of tasks.

Do I need a NousResearch account to use Hermes 4 405B?

No. Vincony provides unified API access to Hermes 4 405B and 343+ other models. You don't need a separate NousResearch account — just sign up for Vincony and start using it immediately.

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NousResearch

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Hermes 4 405B

nousresearch/hermes-4-405b

2 credits / request

Compare with…Added 2026

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Massive 405B open-weight model with strong instruction following.

API Usage

1 curl -X POST https://api.vincony.com/v1/chat/completions \
2   -H "Authorization: Bearer YOUR_API_KEY" \
3   -H "Content-Type: application/json" \
4   -d '{
5     "model": "nousresearch/hermes-4-405b",
6     "messages": [
7       { "role": "user", "content": "Hello, Hermes 4 405B!" }
8     ]
9   }'

Replace YOUR_API_KEY with your Vincony API key. OpenAI-compatible endpoint — works with any OpenAI SDK.

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1	curl -X POST https://api.vincony.com/v1/chat/completions \
2	-H "Authorization: Bearer YOUR_API_KEY" \
3	-H "Content-Type: application/json" \
4	-d '{
5	"model": "nousresearch/hermes-4-405b",
6	"messages": [
7	{ "role": "user", "content": "Hello, Hermes 4 405B!" }
8	]
9	}'