Nous: Hermes 4 405B is a 131,072-token model served on Composite at $1.25 per million tokens in and $3.75 per million tokens out. Ranked #123 of 179 models by traffic on Composite over the last 30 days, taking 0% of tokens and 0% of requests. Measured on Composite, 100.0% of its last 9 requests on Composite succeeded, the typical first token arrives in 680 ms, output runs at about 65.9 tokens per second.
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Specifications
Specifications and pricing as served by Composite
Model ID
nousresearch/hermes-4-405b
Provider
cv11
Context window
131,072 tokens
Accepts
text
Returns
text
Input price
$1.25 per million tokens
Output price
$3.75 per million tokens
Prompt caching
Supported — cached input is billed at the provider's cache rate, on credits and plans alike
Moderated
No
Cost on a monthly plan
About 11 plan credits per typical call (8k in, 1k out)
Routing endpoints
2 (base plus 1 routing variant)
Use Nous: Hermes 4 405B in JanitorAI or SillyTavern
Make a Composite API key and type nousresearch/hermes-4-405b as the model name. JanitorAI takes the full URL https://composite.lucidity.sh/v1/chat/completions; SillyTavern, ChubAI, Agnai and RisuAI take https://composite.lucidity.sh/v1. It runs on credits, a plan, or your own provider key.
Across the last 9 requests Composite served for this model.
Time to first token
680 ms
Median across the same sample.
Output speed
65.9 tok/s
Median generation rate after the first token.
Routing variants
The same model behind 1 alternative endpoint. Call the id directly to pin a route; the base id above picks for you.
Route
Model ID
Provider
Price
cheapThink
nousresearch/hermes-4-405b:cheapThink
cv11
$1.25 per million tokens input · $3.75 per million tokens output
Pricing
$1.25 per million tokens input · $3.75 per million tokens output
Credits pay the provider’s price plus 25%; cache hits cost less.
On a monthly plan, a typical call (8k tokens in, 1k out) uses about 11 plan credits, at the provider's own price.
Provider
cv11
Roleplay fit
This model is available on Composite alongside dozens of others from other labs, so it is easy to compare against similar options.
Context behavior
With a 131,072-token context window, it can hold a long-running roleplay or a full lorebook in memory without losing earlier plot details, so it suits multi-session campaigns and character cards with heavy backstory.
Cost for regular use
It sits in the mid-range on price, a reasonable pick for regular roleplay use without going for the cheapest option available.
From the provider
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...