Hermes 4 Large
by NanoGPT · family nousresearch · listed Aug 2025W
Flagship model for demanding analysis, coding, and production agent workflows
Current rates USD per 1M tokens
Input$0.30
Output$1.20
Cache read$0.15
Cache write—
Against the market
On the record
- Model id
NousResearch/hermes-4-405b- Context window
- 128K tokens
- Max output
- 8K tokens
- Input modalities
- text
- Output modalities
- text
- Reasoning
- no
- Tool calls
- no
- Open weights
- yes
- Knowledge cutoff
- —
- Released
- 2025-08-26
- Last updated
- 2025-08-26
- Provider docs
- docs.nano-gpt.com
Back of the envelope
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