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Hermes 4 405B

At a glance

NousResearch's flagship large-scale reasoning model based on Llama 4.

131K ctx$1.00/$3.00 per M
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Specs
131K
Context
16K
Max output
Aug 2025
Released
Capabilities
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$1.00/M tokens
Output$3.00/M tokens
Chat with Hermes 4 405BGo to model