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Hermes 4 405B

131KContext
$1In, per 1M
$3Out, per 1M
Lab
Nous
Released
26 Aug 2025
Context window
131K tokens
Longest answer
118K tokens
Input, per 1M tokens
$1
Output, per 1M tokens
$3
Reads images
No
Reasoning
Yes
Tool calling
No
Open weights
Yes
Answers in
text
Model id
nousresearch/hermes-4-405b