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 <think>.</think> traces or respond directly, offering flexibility between speed and depth.
$0.50
$0.10
$1.50
Throughput is how fast the model writes (tokens per second, higher is better). Time to first token is how long before the answer starts (lower is better).
Share of requests served without a server error. Client errors (4xx) do not count.
Works with the OpenAI SDK pointed at our base URL. Every parameter is in the API reference.
Tokens processed per day on NagaAI.
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 <think.</think traces or respond directly, offering flexibility between speed and depth.
On NagaAI, Hermes 4 405B costs $0.50 per 1M input tokens and $1.50 per 1M output tokens. You pay only for what you use, with no subscription.
Hermes 4 405B reads up to 131.1k tokens in one request, counting the prompt and the answer together.
Hermes 4 405B can answer in a JSON schema you give it. Tool calling is not available for it.
It takes text as input and returns text.
Create an API key, copy the model ID from the top of this page and send requests with the OpenAI or Anthropic SDK pointed at NagaAI. The API section on this page has a ready example.
Not enough throughput data
Not enough TTFT data
Not enough activity data to display a chart
