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Nous: Hermes 4 405B

nousresearch·nousresearch/hermes-4-405b-3·GA·Closed·nousresearch series

Reasoning model for deliberate analysis, multi-step problem solving, and tool use

At a glance
Reference price$1.00 / $3.00 per 1M
Cache read · Kilo Gateway
Lowest paid$1.00 / $3.00
Kilo Gateway Gateway
Context131,072
Output limit26,215
Capabilities
ReasoningTool useStructured outputTemperatureAttachments
Modalities
Text
Knowledge cutoff
Released / updated2025-08-26 / 2025-08-26

Quality & performance

Artificial Analysis doesn't cover this model (267 of 2059 have data). Quality data comes from independent evals covering widely used models.

Available at 1 providers1 with public prices

ProviderTierInputOutputCache readCache writeContextOutput limitStatus
Kilo Gateway
nousresearch/hermes-4-405b
Gateway$1.00$3.00131,07226,215

Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.

Your usage cost

1Kilo Gateway$350.00
The cheapest paid channel is the only channel.

Benchmark

No upstream benchmark data for this model. For quality, see the Artificial Analysis intelligence score above.

Reasoning control

effort = noneeffort = high

Related models

Price historyone sample accumulated per data sync

Input listOutput listMin blended
$3.00$02026-08-052026-08-132026-08-05 · Input list $1.002026-08-06 · Input list $1.002026-08-07 · Input list $1.002026-08-08 · Input list $1.002026-08-09 · Input list $1.002026-08-10 · Input list $1.002026-08-11 · Input list $1.002026-08-12 · Input list $1.002026-08-13 · Input list $1.002026-08-05 · Output list $3.002026-08-06 · Output list $3.002026-08-07 · Output list $3.002026-08-08 · Output list $3.002026-08-09 · Output list $3.002026-08-10 · Output list $3.002026-08-11 · Output list $3.002026-08-12 · Output list $3.002026-08-13 · Output list $3.002026-08-05 · Min blended $1.502026-08-06 · Min blended $1.502026-08-07 · Min blended $1.502026-08-08 · Min blended $1.502026-08-09 · Min blended $1.502026-08-10 · Min blended $1.502026-08-11 · Min blended $1.502026-08-12 · Min blended $1.502026-08-13 · Min blended $1.50