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Nous: Hermes 4 405B

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...

nousresearch/hermes-4-405b

Context Size

131.072K

Input Price

150,000 pts/M9,225 Ks/M

Output Price

450,000 pts/M27,675 Ks/M


Architecture

Text

Supported Parameters

frequency_penaltyinclude_reasoningmax_tokenspresence_penaltyreasoningrepetition_penaltyresponse_formattemperaturetop_ktop_p

Details

TokenizerOther
Max Completion117,964 tokens
Provider Context131.072K tokens
ModeratedNo
CreatedAug 26, 2025